Maytag MSD2576VEA - 25' Dispenser Refrigerator Specifications

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GE Consumer Home Services Training
TECHNICAL SERVICE GUIDE
General Electric Side-by-Side
Knob Control/Metal Liner Refrigerator
MODEL SERIES:
GSS20
GSS22
GSS25
ESS22
ESS25
HSS22
HSS25
SSS25
PUB # 31-9071
02/01
!
IMPORTANT SAFETY NOTICE
The information in this service guide is intended for use by
individuals possessing adequate backgrounds of electrical,
electronic, and mechanical experience. Any attempt to repair a
major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible for the
interpretation of this information, nor can it assume any liability in
connection with its use.
WARNING
To avoid personal injury, disconnect power before servicing this
product. If electrical power is required for diagnosis or test
purposes, disconnect the power immediately after performing the
necessary checks.
RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used
to complete a path to ground are removed for service, they must
be returned to their original position and properly fastened.
GE Consumer Home Services Training
Technical Service Guide
Copyright © 2001
All rights reserved. This service guide may not be reproduced in whole or in part
in any form without written permission from the General Electric Company.
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operating Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
General Locator Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
Component and Connector Locator Views . . . . . . . . . . . . . . . . . . . .
50
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54
Illustrated Parts Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
–1–
Introduction
2001 Energy SxS models are being introduced in
response to the requirement for more energyefficient refrigerators by mid year 2001, along with
having feature and operation enhancements. The
primary differences in this refrigeration system are
the adaptive defrost system (see Pub. # 31-9062),
control board, software, and control systems that
operate independently in fresh food and freezer
sections. The new high-efficiency control system
has the ability to cycle components and adjust fan
speeds as required to maintain temperaturesetting ranges in freezer and fresh food sections.
Feedback systems are digital inputs and relay
outputs. Sensors (thermistors) are used to
measure temperature with communications to a
main PC board, which controls the unit
components. The refrigerator has versions that
have control knobs or touchpads (Profile models)
to provide inputs to a microprocessor. The freezer/
fresh food controls are temperature setpoint type
and have settings of 0-9 with 9 being the coldest
temperature possible. The new NO CLEAN
condenser is serviceable from the rear and is
designed to prevent the customer from having to
clean the condenser in normal usage conditions.
The freezer has adjustable shelves, slide-out
Spillproof shelf, QuickSpace shelf, and deep door
shelves, based on model. The fresh food section
has a baking soda holder, fruit and vegetable
drawer, drawer dividers, adjustable humidity
drawer, and convertible meat drawer.
This new high-efficiency refrigerator is a
combination of the most efficient refrigeration
system and the most desirable customer features
available.
Sealed system operation and compressor are
functionally the same as previous models, with
some minor changes.
The 20', 22', and 25' side-by-side models are the
models affected. These models are available with
through-the-door chilled water and ice dispenser,
and built-in water filter feature. On models
requiring icemaker, the newest electronic
icemaker (see Pub. # 31-9063) has been or can
be installed.
–2–
Installation
ATTENTION INSTALLER:
FOR A QUALITY INSTALLATION,
FOLLOW THESE INSTRUCTIONS.
RAISE
9 IS COLDEST
0 IS OFF
4
3
3
7
8
8
2
5 6
2
5 6
9
9
0
1
4
7
CARDBOARD
PROTECTS
DOOR EDGES
@,
ÀÀÀÀÀ
,,,,,
@@@@@
€€€€€
,,,,,
@@@@@
€€€€€
ÀÀÀÀÀ
@,@,@,@,@,@,
DO NOT
OVERTIGHTEN
STRAP
1
ROLLERS
ROLLER
ADJUSTMENT
HEX-HEAD BOLTS (4)
• REMOVE AND DISCARD
SKIDBOARDS and bolts used to
hold skidboards.
• Use PADDED HAND TRUCK
to protect refrigerator finish.
MAKE SURE FRONT
ROLLERS DO NOT
REST ON TRUCK
TRUCK FROM
SIDE ONLY
FREEZER
• SET BOTH CONTROLS TO “5”.
• SET ICEMAKER TO OFF until
water line is connected.
• ADJUST FRONT ROLLERS
so that refrigerator is solid and
doors close easily.
• MAKE SURE DOORS ARE EVEN
AT TOP. Check gasket seal.
• LEAVE TAPE ON DOORS until
refrigerator is in its final location.
FRESH FOOD
• IMPORTANT: IMMEDIATELY REMOVE ALL CLEAR PROTECTIVE TAPE FROM TRIM.
• TO REMOVE TAPE RESIDUE AND HANDPRINTS, USE APPLIANCE POLISH.
• REMOVE ALL TAPE AND OTHER PACKAGING MATERIAL FROM INSIDE REFRIGERATOR. DO NOT REMOVE SERIAL PLATE.
IF NECESSARY TO REMOVE DOORS, REMOVE ALL HINGES.
FOR DISPENSER MODELS:
WHEN INSTALLING DOORS...
TO REINSTALL DOORS...
HINGE COVER
TUBING CLIP
FRESH FOOD HINGE
ADJUSTMENT PIN
ALIGN DOORS EVENLY
AT TOP
FRANÇAIS • ESPANOL
COLLAR
⁄ ″ – 3⁄4″
58
PRESS THE WHITE COLLAR AS
YOU PULL OUT THE TUBING.
• Push tubing into connector
(5⁄8″ to 3⁄4″) to prevent leakage.
• At lower left hinge, remove tubing
from the clip.
• Disconnect the water line.
• At upper hinges, disconnect wiring connectors.
• Remove both hinges with each door to prevent
damage to tubing or wiring.
WIRING
CONNECTORS
• Reinstall lower hinges and tighten hinge screws firmly.
• Place door on lower hinge pin and install upper hinges.
Tighten upper hinge screws firmly.
• Align both doors evenly at top by adjusting pin on lower
fresh food hinge.
• Reconnect wiring connectors and reinstall hinge covers.
• Reinstall tubing by pushing tubing into connector.
• Put tubing back into clip.
IMPORTANT: PLEASE READ CAREFULLY
PREFERRED
METHOD
FOR PERSONAL SAFETY, THIS APPLIANCE MUST BE PROPERLY GROUNDED.
The power cord of this appliance is equipped with a three-prong (grounding) plug that mates with a standard three-prong (grounding) wall receptacle to minimize the
risk of electric shock hazard from this appliance. The customer should have the wall receptacle and circuit checked by a qualified electrician to make sure the receptacle
is properly grounded.
MAKE SURE PROPER
GROUND EXISTS
BEFORE USE
TEMPORARY METHOD
(Adapter plugs not
permitted in Canada)
Where a standard two-prong wall receptacle is encountered, it is the personal responsibility and obligation of the customer to have it replaced with a properly grounded
three-prong wall receptacle.
DO NOT, UNDER ANY CIRCUMSTANCES, CUT OR REMOVE THE THIRD (GROUND) PRONG FROM THE POWER CORD.
USAGE SITUATIONS WHERE THE APPLIANCE’S POWER CORD WILL BE DISCONNECTED INFREQUENTLY
Because of potential safety hazards under certain conditions, we strongly recommend against the use of an adapter plug. However, if you still elect to use an adapter,
where local codes permit, a TEMPORARY CONNECTION may be made to a properly grounded two-prong wall receptacle by the use of a UL listed adapter which is
available at most hardware stores. The larger slot of the adapter must be aligned to provide proper polarity in the connection of the power cord.
CAUTION: Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal, and not insulated,
and the wall receptacle is grounded through the house wiring. The customer should have the circuit checked by a qualified electrician to make sure the receptacle is
properly grounded. When disconnecting the power cord from the adapter, always hold the adapter with one hand. If this is not done, the adapter ground terminal is very
likely to break with repeated use. Should this happen, DO NOT USE the appliance until a proper ground has again been established.
ENSURE PROPER
GROUND AND
FIRM CONNECTION
BEFORE USE
USAGE SITUATIONS WHERE THE APPLIANCE’S POWER CORD WILL BE DISCONNECTED FREQUENTLY
Do not use an adapter plug in these situations because frequent disconnecting of the power cord places undue strain on the adapter and leads to eventual failure of the
adapter ground terminal. The customer should have the two-prong wall receptacle replaced with a three-prong (grounding) receptacle by a qualified electrician before
using the appliance.
197D3266P001
–3–
31-5087
9-00 JR
Specifications
–4–
Nomenclature
ENGINEERING
NOMENCLATURE
A = INIITIAL DESIGN
CONFIGURATION
VOLUME
S = SIDE-BY-SIDE REF.
20 / 22 / 25 CU. FT.
MODEL YEAR
M = 2001
B = 1ST REVISION
ETC.
DOOR TYPE
F = FLAT DOOR
G S S 2 5 I F M A F W W
BRAND/PRODUCT
DEPTH/POWER
INTERIOR/SHELVES
ICEMAKER/EXTERIOR
EXTERIOR COLOR
G = GE
S = STANDARD DEPTH
A = LEADER WIRE
B = NON-DISPENSER / ICE-MAKER READY
WW = WHITE/WHITE
H = HOTPOINT
T = TROPICAL
D = DELUXE WIRE
D = CUBED ICE / WATER
AA = ALMOND/ALMOND
P = PROFILE (GE)
G = GLOBAL
I = DELUXE GLASS
E = CUBED & CRUSHED ICE / WATER
BB = BLACK/BLACK
K = SPILL PROOF/SLIDE-OUT
GLASS
F = 6 MO. FILTER / CUBED & CRUSHED ICE
CC = BISQUE/BISQUE
G = 1 YR. FILTER / CUBED & CRUSHED ICE
WH = WHITE/BLACK
M = SPILL PROOF/SLIDE-OUT
GLASS & QUICK SPACE
I = IN-LINE FILTER / INDICATOR & C/C/W
AD = ALMOND/BLACK
E = ETERNA (GE)
R = RCA
S = SELECT (GE)
Q = SHOWCASE DERIVATIVE
U = AVB DERIVATIVE
W = HPS (CONTRACT)
DERIVATIVE
X = REGIONAL DERIVATIVE
Note: Mini Manual/Tech Data Sheet is located in a
plastic bag in the control console.
–5–
GEA00687
Warranty Information
Sales slip or cancelled check is required as proof of original purchase date to obtain service
under warranty. Note: Water filter cartridge warranty is 30 days.
All warranty service is provided by our Factory Service Centers or an authorized Customer Care®
technician.
For The Period Of:
GE Will Replace:
One Year
From the date of the original
purchase
Any part of the refrigerator which fails due to a defect in
materials or workmanship. During this full one-year warranty,
GE will also provide, free of charge, all labor and in-home
ser vice to replace the defective par t.
Five Years
From the date of the original
purchase
Any part of the sealed refrigerating system (the
compressor, condenser, evaporator, and all connecting
tubing) which fails due to a defect in materials or
workmanship. During this five-year warranty, GE will also
provide, free of charge, all labor and in-home ser vice to
replace the defective par tin the sealed refrigerating system.t.
Lifetime
From the date of the original
purchase
Any see-through pan or drawer furnished with the
refrigerator if the pan or drawer breaks during normal
household use. Drawer covers are not included. During
this limited lifetime warranty, you will be responsible for
any labor or in-home service costs.
What GE Will Not Cover:
•
Service trips to your home to teach you
how to use the product.
•
Improper installation.
•
Failure of the product if it is abused or
used for other than the intended purpose
or used commercially.
•
Loss of food due to spoilage.
•
Replacement of house fuses or resetting of
circuit breakers.
•
Replacement of the water filter cartridge
due to water pressure that is outside the
specified operating range or due to excessive sediment in the water supply.
•
Replacement of water filter cartridge after
its expected useful life, 30 days.
•
Damage to the product caused by accident,
fire, floods, or acts of God.
•
Incidental or consequential damage caused
by possible defects with this appliance.
This warranty is extended to the original purchaser and any succeeding owner for products purchased
for home use within the USA. In Alaska, the warranty excludes the cost of shipping or service calls to
your home.
Some states do not allow the exclusion or limitation of incidental or consequential damages. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
To know what your legal rights are, consult your local or state consumer affairs office or your state’s
Attorney General.
Warrantor: General Electric Company. Louisville, KY 40225
–6–
Operating Characteristics
Table of Contents
Normal Operating Characteristics That Are Different from Previous Models . .
8
Abnormal Operating Characteristics (Incorrect Operation) . . . . . . . . . . . . . . .
8
Adaptive Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Cooling Operation (Adaptive Defrost) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Pre-Chill Operation (Adaptive Defrost) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Defrost Heater Operation (Adaptive Defrost) . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Dwell Period (Adaptive Defrost) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Post Dwell (Adaptive Defrost) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Liner Protection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Dispensing Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Dispenser Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Dispenser Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Hinge System and Door Closure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Airflow (Cabinet Interior) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
“Jelly Roll” Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Main Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
–7–
Normal Operating Characteristics That Are
Different from Previous Models
•
Length of time the compressor has run since
the last defrost cycle.
•
Icemaker auger rotates clockwise.
•
•
Evaporator fan running, without compressor or
condenser fan.
Amount of time the defrost heaters were on in
the last defrost cycle.
•
Adaptive Defrost is divided into 5 separate cycles.
Those operations are:
Post Dwell (Adaptive Defrost), compressor,
and condenser fan on with evaporator fan off
after defrost cycle.
•
Cooling Operation
•
Pre-Chill Operation
•
Liner Protection Mode, fan comes on when the
doors are open for 3 minutes.
•
Defrost Heater Operation
•
Evaporator fan and compressor can run
continuously for 2 hours (Adaptive Defrost).
•
Dwell Period
•
Post Dwell
•
Different sound levels can be heard when the
fan changes speed.
•
Response time for drastic temperature change
is 2 to 10 minutes. The main control board will
only respond to 8 degrees (Fahrenheit) of
temperature change per minute as determined
by resistance of sensor.
(See Pub. #31-9062 for more information on
Adaptive Defrost.)
Abnormal Operating Characteristics
(Incorrect Operation)
•
Evaporator fan on, compressor off, and
damper shut (except liner protection mode).
•
Rapid fan speed changes, fan takes at least 1
minute to change speeds.
•
Compressor running without the condenser
fan. The compressor and condenser fan
should always run at the same time.
Cooling Operation (Adaptive Defrost)
During the cooling operation, the main control
board monitors door opening (fresh food and
freezer doors) and compressor run times. The
board counts the time the doors are open. It
reduces the length between defrosts by 255
seconds (multiplication factor) for each second
that each door is open. If both doors are open, it
reduces it by twice the amount. The multiplication
factor reduces compressor run time. If the doors
are not opened, the compressor will run up to 60
hours between defrosts. If the doors are opened
frequently and/or for long periods of time, the
compressor run time between defrosts will be
reduced to as little as 8 hours.
Pre-Chill Operation (Adaptive Defrost)
Adaptive Defrost
F
R
E
E
Z
E
R
Adaptive Defrost can be described as a defrost
system that adapts to a refrigerator’s surrounding
environment and household usage.
A
I
R
Unlike conventional defrost systems that use
electromechanical timers with a fixed defrost cycle
time, Adaptive Defrost utilizes an intelligent,
electronic control to determine when the defrost
cycle is necessary. In order to accomplish the
correct defrost cycle time, the main control board
monitors the following refrigerator operations:
PRE-CHILL MODE
F˚ / C˚
25˚ / -4˚
20˚ / -7˚
15˚ / -9˚
10˚ / -12˚
5˚ / -15˚
T
E
0˚ / -18˚
M
P
-5˚
/ -21˚
E
R
A -10˚ / -23˚
T
U -15˚ / -26˚
R
E
S -20˚ / -29˚
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
Pre-Chill Defrost
•
Length of time the refrigerator doors were open
since the last defrost cycle.
When the main control board determines that
defrost is necessary, it will force the refrigerator
–8–
into a continuous cool mode (pre-chill). During prechill, the freezer temperature may be driven below
the set point. However, the fresh food temperature
will be regulated by the damper. Pre-chill will last
for 2 hours. These models do not have a defrost
holdoff.
Defrost Heater Operation (Adaptive
Defrost)
After 2 hours of pre-chill operation, the main
control board turns off the compressor, condenser
fan, and evaporator fan.
During defrost operation, the main control board
monitors the evaporator temperature using
evaporator thermistor inputs. The thermistor will
terminate defrost heater operation in less than 45
minutes. Typical defrost time is 20-30 minutes.
Maximum defrost cycle is 45 minutes with heater
on, 5 minutes in dwell.
The defrost system is protected by a defrost
safety thermostat (switch). The thermostat opens
when the evaporator temperature raises to 140° F
and closes when the evaporator temperature
lowers to 110° F.
Dwell Period (Adaptive Defrost)
Liner Protection Mode
The liner protection mode will activate if either of
the doors have been open for 3 minutes. This
mode will start the evaporator fan and close the
damper.
This mode is controlled by 2 timers. Timer #1
monitors door-open time. A 3-minute door-open
count begins when the door is opened. If 3
minutes elapse before the door is closed, the liner
protection mode will become active. Once the
door is closed, timer #1 resets and liner protection
mode goes into standby. In standby, normal fan
and damper operations resume and timer #2
begins a 3-minute door-closed count. If 3 minutes
elapse without a door opening, liner protection
mode will completely deactivate. If a door is
opened within the timer #2 door-closed count, the
remaining time in the door-closed count will be
deducted from the timer #1 door-open count.
Dispensing Functions
The water, crushed ice, and cubed ice functions
are controlled by the main control board. To select
a function, press the appropriate pad on the
dispenser. The LED will light to identify the
selection.
After defrost heater operation has been terminated
by the main control board, a 5-minute dwell period
occurs. During this period, the compressor,
condenser fan, and the evaporator fan remain off.
The remaining frost melting from the evaporator
will continue to drip and drain so that prior to the
cooling operation, the evaporator will be totally
clear of any moisture. After the 5-minute dwell
period, the unit goes into post dwell.
To dispense the selected item, depress the
dispenser cradle located in the dispenser recess.
The solenoid and linkage assembly will open the
ice chute door to dispense the ice. If cubed ice is
selected, the crushed ice bypass solenoid will
allow cubed ice to bypass the ice crusher. The ice
chute door must remain open for 5 second after
dispensing ceases. After this 5 second delay, the
solenoid and linkage assembly will shut the ice
chute door.
Post Dwell (Adaptive Defrost)
The dispenser light will come on automatically
when the dispenser cradle is depressed and will
fade out 5 seconds after it is released.
The post dwell period is designed to cool the
evaporator before circulating air within the
refrigerator. This prevents any residual heat on the
evaporator from being distributed in the freezer.
During this period, the compressor is on and the
condenser fan is on, but the evaporator fan is off,
and the damper is closed. Post dwell lasts 10
minutes on these models.
Dispenser Light
The LIGHT pad turns the dispenser light on and
off. When the light is turned off, it will fade out. The
dispenser light will come on automatically when
the dispenser cradle is depressed and will fade
out 5 seconds after it is released. The LIGHT pad
will not turn off the light during dispense.
–9–
Hinge System and Door Closure
Dispenser Lock
When the dispenser system is locked, no
dispenser command will be accepted. This
includes the dispenser cradle and will prevent
accidental dispensing that may be caused by
children or pets. If a pad is pressed with the
system locked, it will be acknowledged with 3
pulses of the LOCK LED accompanied by an
audible tone.
Cam with
Thimble
Screw
To lock or unlock communication between the
dispenser and main control board, press the
LOCK pad and hold it for 3 seconds. The LOCK
LED will flash while the LOCK pad is pressed.
When the communication is locked, the LOCK
LED will be illuminated.
Hinge
Adjustment
Pin
The status of other functions selected prior to the
initiation of the lock feature will be displayed. If the
lock is engaged while a mode is active, the LED
will remain on until that mode times out.
The hinge brackets are not adjustable on the
cabinet. The fresh food door can be adjusted up
and down by using the hinge adjustment pin
(located on the fresh food lower door hinge).
If the lock is engaged when the filter timer expires,
the LED will come on but cannot be reset until the
lock is turned off.
The fresh food and freezer lower door hinges are
equipped with replaceable cam risers. The cam
risers assist in door closure. If the fresh food door
is adjusted too high, cam riser will not be engaged,
and the fresh food door will not close properly.
Cam Riser
Hinge
The lock feature will be restored in the event of a
power disruption.
Filters
Some models are equipped with a water filter
located in the upper right-hand corner of the fresh
food compartment. The filter is designed to be
used for up to 8 hours of open valve time or 1 year
of calendar time.
GEA00909
IMPORTANT: The refrigerator rollers must be
adjusted correctly for proper door closure. When
the rollers are adjusted correctly, the door should
close easily when open approximately 45 degrees
(halfway)
When 90% of filter time (dependant on model) has
elapsed (open valve time or calendar time,
whichever comes first), the main control board will
illuminate the filter reminder LED (amber). When
100% of the filter time has elapsed, the main
control board will illuminate the filter reminder LED
(red).
– 10 –
Airflow (Cabinet Interior)
“Jelly Roll” Condenser
The freezer compartment is designed so that
when the evaporator fan is operating, air is drawn
into the bottom of the air tunnel and through the
evaporator. The cold air is then pushed out into
the top of the freezer.
The fresh food compartment receives chilled air
via an electronic damper positioned at the top, rear
of the refrigerator between the freezer
compartment and the fresh food compartment.
The damper is controlled by the main control
board and when open, allows chilled air from the
freezer air tunnel to move into the fresh food
compartment.
Air returns from the fresh food compartment to the
freezer compartment via a vent located to the left
of the FRESH PRODUCE drawer.
The new NO CLEAN condenser is accessed from
the rear and is designed to be tolerant of up to 2
inches of lint. The idea is that the consumer, in
normal operating conditions, will never have to
clean the condenser. If necessary, only an
ordinary appliance brush is used. Air is drawn in
from the outside diameter of the condenser and
pulled out by the condenser fan. A condenser fan
baffle is located at the rear to direct airflow through
the condenser. Functionally, the condenser does
the same job as previous models. Air is drawn in
from front left and rear left and exits out front right
side of refrigerator.
– 11 –
Main Control Board
COMMUNICATION
DAMPER
COILS
THERMISTOR
ENCODER
INPUTS
MODEL
SELECT
INPUTS
J3
J1
9
1
10
1
J4
1
5
1 COMM
2 +12V
3 -COM
4 DI
5 DO
INPUT/OUTPUT
J5
1
ACCUMULATED FF AND FRZ
DOOR OPENINGS (MINUTES)
6
INPUTS
FAN OUTPUTS
J2
8
1
COMPRESSOR RUN TIME
(MINUTES)
DEFROST HEATER ON TIME
(MINUTES)
PROCESSING
UNIT
1
OUTPUTS
AND
DEFROST
OUTPUTS
– 12 –
DOOR
SWITCH
INPUTS
K6
WATER
K2
C/CR
K1
AUGER
AUGER
WATER
CRUSHER
K7
PAN/HTR
QC
K5
J7
OCH
DFF
DFZ
N
PAN_HTR
COMPRESSOR
COMMON
K3
COMP
LINE
DEFR
DEFROST
COMP
L1
K4
PRE-CHILL
DEFROST
2
J6
COOLING
General Locator Views
Temperature
Controls
Tech Data Sheet
Location
Freezer Light
Switch
Fresh Food
Light Switch
Damper
Fresh Food
Thermistor
Evaporator
Fan
Evaporator
Thermistor
Evaporator
Freezer
Thermistor
GEA00914
– 13 –
Main
Control
Board
Condenser
Fan
Jelly Roll
Condenser
Compressor
Water
Solenoids
Capacitor
GEA00917
Overload
and Relay
(under cover)
– 14 –
Mechanical Disassembly
Table of Contents
Door Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Door Handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Doors and Door Hinges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Door Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Fresh Food Door Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fresh Food Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Freezer Door Light Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Water Filter Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Drawers and Bins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Door Shelf Extenders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Freezer Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Icemaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Ice Dispenser Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Evaporator Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Defrost Heater and Freezer Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Overtemperature Thermostat and Evaporator Thermistor . . . . . . . . . . . . . . . . 24
– 15 –
Fresh Food Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Door Dispenser Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Door Dispenser Target Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Ice Crusher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Ice Dispenser Drive Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Ice Cube Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Condenser Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Dispenser Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Main Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Roller Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Water Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Fresh Food Air Damper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
– 16 –
Door Gasket
The rear flange of the gasket is positioned
between the inner and outer door panels. The
screws under the gasket flap must be loosened.
1. Remove the door bins.
2. Loosen 40 screws located under the door
gasket.
3. Remove the gasket from the interior of the
door liner.
Note: The back side of the door liner has doublesided tape at the corners.
Doors and Door Hinges
IMPORTANT: The freezer door is not adjustable.
The fresh food door can be adjusted up and down
to match the height of the freezer door. Adjust the
fresh food door up or down using the hinge
adjustment pin (located on the fresh food lower
door hinge).
The fresh food and freezer lower door hinges are
equipped with replaceable cam risers. Cam risers
assist in door closure.
Screws
GEA00866
Door Handles
Door handles are front mounted and secured with
Torx-style screws.
1. Remove the handle trim covers by inserting a
thin flat-blade screwdriver about 2 in. from the
end of top cover trim. Pry up enough to insert
your fingers and lift to free trim from 2 plastic
locking tabs inserted in rectangle door holes.
Reverse to reinstall, taking care to align cover
trim correctly. The top and bottom are not
interchangeable.
2. Remove 2 T-20 Torx screws from the upper
and lower ends of the handle.
When the fresh food door is adjusted too high, the
cam riser will not be engaged. If the cam riser is
not engaged, the door will not close properly. Refer
to the Fresh Food Door Adjustment section in this
chapter for more information.
IMPORTANT: The refrigerator rollers must be
adjusted correctly to ensure proper door closure.
Refer to the Roller Assembly section in this
chapter for more information.
Door Removal
1. Remove the upper hinge cover by removing
the Phillips screw.
2. With the door in the closed position, disconnect
the wiring harness (freezer side only).
3. Remove the handle.
– 17 –
Cam with
Thimble
Screw
Cam Riser
Hinge
Adjustment
Pin
Hinge
GEA00909
3. Remove the base grille.
4. Disconnect the water supply tube. To
disconnect the tube, push in the white collar on
the quick connector and pull the tube out.
9. Remove the screw, hinge cam, and thimble
from the bottom of the door.
10. Fresh Food Door Only: Remove the hinge
adjustment pin and cam riser from the lower
hinge.
11. Freezer Door Only: Remove the cam riser
and washer from the lower hinge.
12. Remove 2 screws and lower hinge from
cabinet.
Fresh Food Door Adjustment
IMPORTANT: The refrigerator rollers must be
adjusted correctly to ensure proper door closure.
Refer to the Roller Assembly section in this
chapter for more information.
GEA00869
The freezer door is not adjustable. The fresh food
door can be adjusted to match the height of the
freezer door.
5. Remove the water tube protection (black
collar).
6. Remove 2 upper hinge screws.
7. Lift the upper hinge and move it to the side (the
gasket is located under the hinge).
CAUTION: Do not side-load hinges.
NOTE: Freezer door only - Guide the water line
through hinge while lifting the door from hinge.
8. Open the door 90 degrees and lift the door
straight up and off the lower hinge.
1. Remove the base grille (opening the door
makes grille removal easier).
2. Turn the hinge adjustment pin (located on the
fresh food lower hinge) clockwise to raise the
door and counterclockwise to lower the door.
Control Panel
The control panel, located at the front of the fresh
food compartment, contains temperature control
encoders for fresh food and freezer sections and
the fresh food door light switch.
1. Remove 2 screws located in the bottom of the
control panel. Slide the panel down.
– 18 –
2. Disconnect the connectors for the door light
switch and temperature control switches.
Connectors
Encoder
Board
Freezer Door Light Switch
GEA00870
3. Disconnect the connectors for the light and
temperature control encoders.
The freezer door light switch is located on the left
of the freezer compartment.
4. Disconnect the temperature control encoder
connector.
1. Slide a small flat-blade screwdriver under the
switch and push the locking tab. Pull out the
switch.
5. Remove the mounting nuts for both encoders.
Note: Both switches must be replaced because
they are mounted on a common circuit board.
2. Disconnect the harness connector and remove
the switch.
Mounting
Nuts
GEA00871
6. Disconnect the refrigerator door light switch
supply connector.
7. Push the locking tab in and slide the switch out
of the panel.
Note: The water filter should be replaced every 6
months. Warranty life is 30 days.
Fresh Food Light
The lower fresh food light is located under an
opaque cover in the lower portion of the fresh food
compartment in some models.
Note: The upper light cover removal is covered in
the previous procedure.
1. Remove the lower light cover by lifting it off the
dowels.
2. Remove 2 40-watt appliance light bulbs.
Water Filter Cartridge
The water filter cartridge is located in the upper
right corner of the fresh food compartment. When
the LED illuminates, change the water filter. On
those models without the LED, change the filter
when the water flow decreases to the dispenser or
icemaker.
1. Remove the old cartridge by slowly turning it to
the left. Do not pull the cartridge down. A small
amount of water may drip when the cartridge is
removed.
– 19 –
2. On models without a replacement LED, apply
the year and month sticker to the new
cartridge.
The QuickSpace shelf splits in half and slides
under itself to allow for storage of tall items on the
shelf below. To adjust this shelf:
3. Line up the arrow on the cartridge with the
cartridge holder. Place the new cartridge up
and inside the holder. Do not push it into the
holder.
1. Tilt the shelf up until the tab disengages from
the shelf track.
2. Lift the lower tab out of the shelf track.
4. Slowly turn the cartridge to the right until it
stops (about 1/2 turn). Do not overtighten. The
cartridge will automatically raise itself into
position.
3. Slide the front half of the shelf under the back
half.
5. Run water from the dispenser for 3 minutes
(about 1-1/2 gallons) to clear the system and
prevent sputtering.
6. On models with the LED, press and hold the
RESET WATER FILTER pad on the dispenser.
Note: A filter bypass plug must be used if a
replacement filter is not available. The dispenser
and icemaker will not operate without a filter or the
filter bypass plug installed.
GEA00873
Drawers and Bins
The refrigerator uses drawers (fresh food) and
bins (freezer) to store food.
Water
Filter
Cartridge
Adjustable humidity drawers allow vegetables to
be stored at high humidity or fruits at low humidity.
A convertible meat drawer with variable control
regulates cold air from the freezer compartment to
circulate around the drawer.
GEA00729
1. Pull out the drawer or bin until it reaches the
mechanical stops.
2. Lift the drawer or bin up and pull it out of the
compartment.
Shelves
The slide-out and Spillproof shelves allow access
to items stored behind other items. Spillproof
shelves have special edges to help prevent spills
from dripping onto lower shelves.
– 20 –
Freezer Light
The freezer light is attached to the evaporator fan
housing.
1. Remove the light cover by lifting it off the tabs.
2. Replace the appliance light bulb.
GEA00874
Icemaker
The icemaker is located in the rear of the freezer
compartment. The icemaker must be replaced as
a complete unit.
GEA00875
1. Slide out the upper icemaker dispenser tray
and drawer.
Door Shelf Extenders
Detachable shelf extenders deepen and enclose
fixed door shelves, providing more storage and
greater storage flexibility.
1. Lift the shelf extender straight up until it
disengages from the locking device.
2. Pull out the shelf extender.
2. Loosen 2 mounting screws.
GEA00876
– 21 –
Ice Dispenser Drive
Mounting Screws
The ice dispenser drive turns the ice dispenser
auger in either crushed or cube mode.
1. Remove 2 Phillips screws from the ice
dispenser drive.
2. Slide the dispenser out until the cable
connector is visible.
Splash Baffle
3. Disconnect the cable and remove the
dispenser drive.
GEA00879
3. Lift up the icemaker and slide it out until the
cable connection is exposed.
2 Screws
Note: When replacing the icemaker, the fill cup
and splash baffle must be reused.
4. Disconnect the cable connector.
GEA00882
Evaporator Fan
The evaporator fan, located in the upper portion of
the freezer compartment, circulates cold air
through the fresh food and freezer compartments.
1. Remove auger motor housing.
2. Loosen 4 Phillips screws located in the lower
portion of the evaporator fan duct.
Cable
Connector
GEA00880
3. Lift up the duct and slide it out.
5. Loosen 3 screws on the icemaker bracket.
6. Lift up the bracket and slide it out.
3 Screws
GEA00881
– 22 –
4. Remove 4 Phillips screws from the evaporator
cover.
5. Remove the evaporator cover.
6. Disconnect the evaporator fan cable
connectors and the ground wire.
7. Loosen 2 Phillips screws from the evaporator
fan mounting.
Defrost Heater and Freezer Thermistor
The defrost heater warms the evaporator during
the defrost mode of operation. The freezer
thermistor, located at the bottom left side of the
freezer compartment, senses the temperature in
the freezer.
1. Complete steps 4 and 5 in the previous
procedure.
2. Remove 2 Phillips screws from the defrost
heater.
2 Connectors
3. Remove the heater.
2 Screws
2 Screws
GEA00884
8. Pull out the fan and remove the light and
defrost heater wiring harness.
9. Remove the fan.
GEA00886
4. Remove the freezer thermistor.
Heater Wiring Harness
Freezer Thermistor
GEA00885
GEA00887
– 23 –
Door Dispenser Control Panel
Overtemperature Thermostat and
Evaporator Thermistor
The main control board monitors the resistance of
the evaporator thermistor. The main control board
will terminate the defrost cycle when a
predetermined temperature (60° F) is reached. The
over-temperature thermostat is a redundant
defrost terminating device. It will also terminate
defrost in the event of a failure of the evaporator
thermistor.
The door dispenser control panel allows the
consumer to select water, crushed ice, or ice
cubes. It is an interface to the main control board.
1. Remove the overtemperature thermostat.
2. Remove the evaporator temperature
thermistor.
Evaporator Temperature
Thermistor
Over-Temperature
Thermistor
1. Use a screwdriver to unlock the tabs at the
bottom of the control panel. Slide the bottom
out and down.
2. Disconnect the wiring harness connectors.
GEA00888
Note: Inner door panel must be removed to
remove recess trim.
Fresh Food Thermistor
The fresh food thermistor, located in the top, left of
the fresh food compartment, hidden behind the bin
track at the top left, senses the compartment
temperature.
Door Dispenser Target Switch
When depressed, the door dispenser target switch
allows water, ice cubes, or crushed ice to be
dispensed.
1. Disengage the plastic track by sliding upward
and remove the housing.
1. Remove door dispenser control panel (see
previous procedure).
2. Remove the thermistor from the housing.
2. Remove 4 Phillips screws in the door
dispenser housing.
Slide upward
to remove
Thermistor
Track
Cover
Screws
GEA00976
GEA00975
3. Slide out the housing and disconnect the target
switch and dispenser light connectors.
– 24 –
3. Turn over the ice bucket and ice dispenser
cover. Remove the Phillips screw.
4. Remove the cover.
5. Remove the Phillips screw for the ice cube
control linkage and slide the linkage to the rear
of the ice bucket.
4. Spread out the locking tabs and remove the
switch.
6. Using a pair of pliers, break the tabs off the
back cover.
5. Push the chute duct door locking tabs back
and raise the assembly above the locking
tabs.
7. Using 2 flat blade screwdrivers, disengage the
locking tabs at either side of the ice crusher
and remove the assembly.
6. Push the lower armature locking tabs (under
the assembly) back and lift up the entire
assembly.
Ice Crusher
The ice crusher uses a deflector. When the
deflector is UP (“Crushed Ice” is selected on the
dispenser control panel), the ice crusher operates.
When the deflector panel is DOWN (“Cubed Ice”
is selected on the dispenser control panel), the
deflector is normally up.
1. Remove the ice dispenser tray and assembly
(see page 21).
2. Remove 2 Phillips screws from the ice
dispenser cover.
Screws
8. Slide the back cover off the auger. The back
cover must be replaced because of tabs
broken off for disassembly.
9. With a flat-head screwdriver, remove the C-clip
from the end of the auger.
10. Remove the auger and ice crusher blade
assembly.
Ice Dispenser Drive Motor
The ice dispenser drive motor turns the auger in
the crushed or cube mode.
GEA00920
1. Remove the ice dispenser tray and assembly.
– 25 –
6. Disconnect the wire connectors.
2. Remove 2 Phillips mounting screws.
3. Pull out the motor.
4. Disconnect the wire connectors.
Solenoid
5. Remove the drive fork and nut.
Solenoid Mounting Screws
Motor
Mounting
Screws
Ground
Wire
Motor
GEA00695
7. Remove 2 solenoid mounting screws.
8. Slide the solenoid out of the housing.
GEA00919
Evaporator
6. Disconnect the motor wiring connectors.
Air is driven across the evaporator coils to
produce cold air for the freezer and fresh food
compartments. Evaporator is replace like previous
models.
1. Complete steps 4 and 5 in the Evaporator
Fan procedure.
Wiring
Connectors
GEA00892
Screw
7. Remove 3 motor mounting screws.
8. Remove the motor from the housing.
GEA00893
Ice Cube Solenoid
The ice cube solenoid energizes when the cube
mode is selected on the dispenser control panel.
2. Remove 3 Phillips screws from the evaporator
mounting.
1. Remove the ice dispenser tray and assembly
(see page 21).
3. Cut the capillary and suction line.
4. Remove the evaporator.
2. Remove 2 Phillips mounting screws.
3. Pull out the motor.
4. Disconnect the wire connectors.
5. Remove the ground wire to the ice cube
solenoid.
– 26 –
4. Remove 2 screws from the condenser fan
cover.
Screws
5. Pull out the fan until the electrical connector is
exposed.
6. Disconnect the electrical connector.
GEA00894
5. With a file, score the capillary tube just above
the soldered section. Break off the soldered
section of the capillary tube. This helps prevent
solder from plugging the tube during assembly.
Electrical
Connector
6. Place a new evaporator into the freezer and
insert the suction line and capillary tube into
the evaporator.
7. Braze the suction line and capillary tube to the
evaporator using silfos.
GEA00725
8. Install a replacement dryer.
Dispenser Heater
9. Evacuate and recharge the system using
currently accepted procedures.
The dispenser heater ensures that the dispensing
recess does not sweat in high humidity.
Condenser Fan
1. Remove 40 door liner mounting screws.
The condenser fan provides forced-draft cooling
for the condenser coil.
2. Remove the door liner.
Note: The door liner has double-sided tape on the
inside corners.
1. Remove the machine compartment access
cover.
3. Remove the styrofoam dispenser cover.
2. Remove 1 screw from the condenser fan
mounting bracket.
4. Disconnect the wires and remove the heater.
Dispenser Heater
Screw
GEA00981
GEA00895
3. Entire fan motor bracket and shroud assembly
can be pulled out.
– 27 –
IMPORTANT: To ensure proper door closure, the
refrigerator rollers must be adjusted to level the
refrigerator. This is different from previous models.
Main Control Board
The main control board is located in the back of
the unit. This board controls the operation of the
unit.
1. Unplug the unit and remove the cover.
Adjusting
Screw
2. Disconnect all wiring harness connectors from
the main control board.
3. Remove the board by unlocking the four
plastic board standoffs located on the board.
Guide Pin
Note: If standoffs are broken during disassembly,
order new parts.
Roller
GEA00898
Main
Processor
Card
3. Turn the adjusting screw counterclockwise
until it disengages from the assembly.
4. Remove the roller from the slot.
Water Solenoid
When the solenoids receive a signal from the
processor, they route water to the water filter,
cooler, and icemaker.
1. Remove the access cover.
GEA00896
2. Remove the solenoid bank bracket screw.
Roller Assembly
Bracket
Screw
Adjustable roller assemblies are located at the
bottom front of the unit. They are adjustable and
replaceable.
1. Unsnap the base grille from the bottom of the
unit.
2. Remove the guide pin with a flat-head
screwdriver.
GEA00899
3. Pull out and disconnect the cable connector.
– 28 –
Cable
Connector
GEA00900
4. Remove 2 Phillips screws from the solenoid
connection.
5. Disconnect the water tube and remove the
solenoid.
Fresh Food Air Damper
The fresh food air damper is located in the upper
left corner of the fresh food compartment. The
damper opens to allow cold air to circulate from
the freezer to the fresh food compartment.
1. Remove 2 damper cover screws.
2. Remove the damper cover.
3. Using a flat-head screwdriver, remove the
damper assembly from the mullion divider until
the wire connector is exposed.
4. Disconnect the motor wire connectors.
5. Damper will be replaced as an assembly.
– 29 –
Notes
– 30 –
Notes
– 31 –
Diagnostics
Table of Contents
Efficient Use of Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Failure Causes (Table 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Main Control Board (Low-Voltage Side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Main Control Board (120 VAC Side). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Main Control Board Locator Table (Low-Voltage Side) . . . . . . . . . . . . . . . . . . . 36
Main Control Board Locator Table (120 VAC Side) . . . . . . . . . . . . . . . . . . . . . . 38
Fresh Food Warm - Freezer Warm (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . 39
Freezer Warm - Fresh Food Normal (Diagnostic Chart) . . . . . . . . . . . . . . . . . . 40
Fresh Food Warm - Freezer Normal (Diagnostic Chart) . . . . . . . . . . . . . . . . . . 41
Fresh Food Too Cold - Freezer Normal (Diagnostic Chart) . . . . . . . . . . . . . . . 42
Refrigerator Dead - No Sound, No Cooling (Diagnostic Chart) . . . . . . . . . . . . 43
Evaporator Fan Not Running (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . . . . 44
Condenser Fan Not Running (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . . . . . 45
Damper Door Not Operating (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . . . . . 46
Compressor Not Running (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Heavy Frost On Evaporator (Diagnostic Chart) . . . . . . . . . . . . . . . . . . . . . . . . . 48
Thermistor Values (Table 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Efficient Use of Diagnostics
For most efficient use of the diagnostics, find the appropriate diagnostic chart and proceed as directed
in the chart. When directed to take a thermistor reading, refer to Table 2, Thermistor Values.
– 32 –
Table 1. Failure Causes
Freezer Compartment
Fresh Food Compartment
High-resistance freezer thermistor
High-resistance fresh food
compar tment thermistor
Low-resistance evaporator thermistor
Damper closed
Condensor fan failure
Evaporator fan failure
Evaporator fan failure
Door switch failure
Defrost heater stuck on
Above 15
Fahrenheit
Door switch failure
Main control board faulty
Above 50
Fahrenheit
Main control board faulty
Harness faulty
Door gasket leak
Harness faulty
Door open
Dispenser flap open
Door gasket leak
Door open
Sealed system failure
Cycle Normal
Cycle Normal
(between 14 and -14 Fahrenheit)
(between 49 and 33 Fahrenheit)
Below -15
Fahrneheit
Damper stuck closed
Damper stuck open
Low resistance in freezer thermistor
Low-resistance fresh food
compar tment thermistor
Main control board faulty
Harness faulty
Below 32
Fahrenheit
Main control board faulty
Ambient temperature below 60
Harness faulty
– 33 –
Main Control Board (Low-Voltage Side)
(Sample only, check schematic shipped with product)
1 - Tan
2 - 13VDC Red
3 - Blk-DC Common
4 - Violet
5 - Wht
1 - Not Used
2 - Yel / Blu Band
3 - Wht / Blu Band
4 - Brn
5 - 5VDC Blu / Wht
1 - Blu / Yel
2 - Wht / Brn
3 - Red / Blk
4 - Yel
J4
J1
PERSONALITY PIN
- NONE - 20 Cu. Ft.
- Pin 8 - 22 Cu. Ft.
- Pin 9 - 25 Cu. Ft.
J3
COMMUNICATION
DAMPER
COILS
THERMISTOR
ENCODER
INPUTS
MODEL
SELECT
INPUTS
J1
9
1
10
1
J3
J4
1
5
1 COMM
2 +12V
3 -COM
4 DI
5 DO
INPUT/OUTPUT
J5
1
ACCUMULATED FF AND FRZ
DOOR OPENINGS (MINUTES)
6
INPUTS
FAN OUTPUTS
J2
8
1
COMPRESSOR RUN TIME
(MINUTES)
DEFROST HEATER ON TIME
(MINUTES)
PROCESSING
UNIT
J2
8 - Red-13VDC
7 - Not Used
6 - Not Used
5 - Yel
4 - Yel / Blk
3 - Wht-DC Common
2 - Not Used
1 - Blu
– 34 –
GEA00904
Main Control Board (120 VAC Side)
PROCESSING
UNIT
1
OUTPUTS
K6
WATER
K2
C/CR
AUGER
COMMON
CRUSHER
K1
AUGER
J7
OCH
DFF
DFZ
WATER
K7
PAN/HTR
QC
K5
K3
PAN_HTR
N
LINE
DEFR
DEFROST
COMP
L1
K4
COMP
PRE-CHILL
DEFROST
2
J6
COOLING
COMPRESSOR
AND
DEFROST
OUTPUTS
DOOR
SWITCH
INPUTS
J7
1 - Blk / Wht
2 - Violet / Blk
3 - Yel
4 - Gry
5 - Not Used
6 - Violet
7 - Red
8 - Blk
9 - Orn
– 35 –
GEA00905
Main Control Board Locator Table
(Low-Voltage Side)
Wire Color
Component
Termination
Connector
Pin
J1
1
Not used
Not used
Not used
J1
2
Yellow/Blue Band
Fresh food thermistor #1
J1 pin 2 to pin 5 = 2.8 to 3.5
VDC
J1
3
White/Blue Band
Freezer thermistor
J1 pin 3 to pin 5 = 2.8 to 3.5
VDC
J1
4
Brown
Evaporator thermistor
J1 pin 4 to pin 5 = 2.8 to 3.5
VDC
J1
5
5 VDC Blue/White
Thermistor supply
voltage (5 VDC)
J1 pin 5 to J4 pin 3 = 5 VDC
J2
1
Blue
Evaporator fan
tachometer
J2 pin 1 to pin 3 = 6.3 VDC
J2
2
Not used
Not used
Not used
J2
3
White-DC common
Fan common
J2 pin 3 to pin 8 = 12 VDC
J2
4
Yellow/Black
Evaporator fan
J2 pin 4 to pin 3 = 12.4 VDC
(high speed), 8 VDC (low
speed)
J2
5
Yellow
Condenser fan
J2 pin 5 to pin 8 = 13.4 VDC
(condenser fan is single
speed)
J2
6
Not used
Not used
Not used
J2
7
Not used
Not used
Not used
J2
8
Red-13 VDC
Fan supply voltage
Continued on next page.
– 36 –
Pin-to-Pin Voltage Reading
J2 pin 8 to pin 6 = 13.4 VDC
Main Control Board Locator Table
(Low-Voltage Side)
Wire Color
Component
Termination
Connector
Pin
Pin-to-Pin Voltage Reading
J3
1
Blue/Yellow
Damper
J3 pin 1 to J4 pin 3 =
Traveling Voltage 6.0 VDC
J3
2
White/Brown
Damper
J3 pin 2 to J4 pin 3 =
Traveling Voltage 6.0 VDC
J3
3
Red/Black
Damper
J3 pin 3 to J4 pin 3 =
Traveling Voltage 6.0 VDC
J3
4
Yellow
Damper
J3 pin 4 to J4 pin 3 =
Traveling Voltage 6.0 VDC
See schematic
J4
1
Tan
Dispenser board
common
transmit/receive
J4
2
Red
Dispenser board
common
13 VDC
See schematic
J4
3
Black-DC common
Dispenser board
common ground
See schematic
J4
4
Violet
Dispenser board input 1
See schematic
J4
5
White
Dispenser board input 2
See schematic
Continued on next page.
– 37 –
Main Control Board Locator Table
(120-VAC Side)
Pin
Wire Color
Component
Termination
Pin-to-Pin Voltage Reading
J7
1
Black/White
Auger motor
J7 pin 1 to J7 pin 9 = 120
VAC*
J7
2
Violet/Black
Cube solenoid
J7 pin 2 to J7 pin 9 = 120
VAC*
J7
3
Yellow
Water valve
J7 pin 3 to J7 pin 9 = 120
VAC*
J7
4
Gray
Auger motor interlock
J7 pin 4 to J7 pin 9 = 120 VAC
(freezer door shut)
J7
5
Not used
Not used
Not used
J7
6
Violet
Fresh food door light
switch feedback
J7 pin 6 to J7 pin 9 = 120 VAC
(fresh food door open)
J7
7
Red
Freezer door light switch J7 pin 7 to J7 pin 9 = 120 VAC
feedback
(freezer door open)
8
Black
Not used
Not used
9
Orange
Neutral
Neutral
Connector
J7
J7
* When activated
– 38 –
Fresh Food Warm - Freezer Warm
Basic refrigerator checks:
Door gasket seal OK?
Door switch - light turning off with door closed?
Dispenser duct door closing properly?
Repair as
necessary
No
Yes
Is the condenser fan running?
Go to
Condenser Fan Not Running Flowchart
page 45
No
Yes
Is the evaporator fan running?
No
Go to
Evaporator Fan Not Running Flowchart
page 44
No
Go to
Compressor Not Running Flowchart
page 47
Yes
Is the compressor running?
Yes
Is the airflow within the freezer normal?
No
Look for blockage at vents
or heavy frost on
evaporator cover
Heavy frost
Yes
Verify thermistors are within proper range using
temperature resistance chart on page 49
Is the resistance within range?
No
Check wiring
connections
If wiring is OK,
replace thermistor
No
Repair
sealed system
Yes
Check sealed system
Does system check okay?
Yes
Unit tests OK
Run checks again
Reset electronics by unplugging
refrigerator for 15 seconds
Look for usage problem
– 39 –
Blockage
Remove blockage
from evaporator cover
vent area
Go to
Heavy Frost on Evaporator Flowchart
page 48
Freezer Warm - Fresh Food Normal
Check control settings and temperatures
Food at a setting of 5 and 5 with no
door openings for 12 hours should be:
Fresh food 34 F to 42 F
Freezer -8 F to +6 F
Control settings
require adjustment
Adjust settings and allow
24 hrs to stabilize
Control settings OK
Basic refrigerator checks:
Door gasket seal OK?
Door switch - light turning off with door closed?
Dispenser duct door closing properly?
No
Repair as
necessary
Yes
Is the evaporator fan running?
No
Go to
Evaporator Fan Not Running Flowchart
page 44
No
Go to
Condenser Fan Not Running Flowchart
page 45
Yes
Is the condenser fan running?
Yes
Is the airflow within the
freezer normal?
Look for blockage at vents
or heavy frost on
evaporator cover
No
Heavy frost
Yes
Verify thermistors are within proper
range using temperature resistance
chart on page 49
Is the resistance within range?
No
Check wiring
connections
If wiring is OK,
replace thermistor
Yes
Check sealed system
Does system check ok?
No
Repair
sealed system
Yes
Unit tests OK
Run checks again
Reset electronics by unplugging
refrigerator for 15 seconds
Look for usage problem
– 40 –
Blockage
Remove blockage
from evaporator cover
vent area
Go to
Heavy Frost on Evaporator Flowchart
page 48
Fresh Food Warm - Freezer Normal
Check control settings and temperatures
Food at a setting of 5 and 5 with no
door openings for 12 hours should be:
Fresh food 34 F to 42 F
Freezer -8 F to +6 F
Control settings
require adjustment
Adjust settings and allow
24 hrs to stabilize
Control settings OK
Basic refrigerator checks:
Door gasket seal OK?
Door switch - light turning off with door closed?
No
Repair as
necessary
Yes
Is the evaporator fan running?
Go to
Evaporator Fan Not Running Flowchart
page 44
No
Yes
Unplug refrigerator
Set temperature controls to 5 and 5.
Reconnect power.
Does damper door open
after immediately
reconnecting power?
No
Go to
Damper Door Not Operating Flowchart
page 46
Yes
Is the airflow within the
fresh food normal?
Look for blockage at vents
or heavy frost on
evaporator cover
No
Heavy frost
Yes
Verify thermistors are within proper
range using temperature resistance
chart on page 49
Is the resistance within range?
No
Check wiring
connections
If wiring is OK,
replace thermistor
Yes
Check sealed system
Does system check ok?
No
Repair
sealed system
Yes
Unit tests OK
Run checks again
Reset electronics by unplugging
refrigerator for 15 seconds
Look for usage problem
– 41 –
Blockage
Remove blockage
from evaporator cover
vent area
Go to
Heavy Frost on Evaporator Flowchart
page 48
Fresh Food Too Cold - Freezer Normal
Check control settings and temperatures
Food at a setting of 5 and 5 with no
door openings for 12 hours should be:
Fresh food 34 F to 42 F
Freezer -8 F to +6 F
Control settings
require adjustment
Adjust settings and allow
24 hours to stabilize
Control settings OK
Low ambient?
Is the room temperature
above 55 F?
No
Advise consumer of
refrigerator installation
requirements
No
Go to Damper Not Operating Flowchart
page 46
Damper should be closed when
FF temperatures are too cold
Yes
Is the damper closed?
Yes
Verify thermistors are within proper
range using temperature resistance
chart on page 49
Is the resistance within range?
No
Yes
Unit tests OK
Run checks again
Reset electronics by unplugging
refrigerator for 15 seconds
Look for usage problem
– 42 –
Check wiring
connections
If wiring is OK,
replace thermistor
Refrigerator Dead, No Sound, No Cooling
Are the interior lights on?
Check house supply voltage.
Do you have 120VAC?
No
No
House wiring
problem
Yes
Check for 120VAC at 6 pin
connector at rear of unit.
Do you have 120VAC?
No
Repair or replace
power cord
Yes
Yes
Repair wiring connections
at 6 pin connector
If dispenser model,
does dispenser
operate?
(If non-dispenser,
follow No statement
path first)
No
Unplug J2 connector from
main control board.
Check for 12 VDC at control
board pins J2-3 to J2-8.
Do you have voltage?
No
Unplug J4 connector from
main control board.
Check for 12 VDC at control
board pins J4-2 to J4-3.
Do you have voltage?
Yes
Yes
Short in fan motor circuit
Go to fan flowcharts
Short in dispenser control
circuit. Repair short or replace
dispenser board.
No
Replace main
control board
NOTE: check all fan
motors circuit for shorts.
If short is detected, repair
short or replace fan motor.
Failure to replace shorted
component will damage
the new control board
upon installation
Yes
Unplug encoder
(temperature control)
harness. Does the
refrigerator start once the
harness is unplugged?
Yes
Replace encoder board
(temperature control)
No
Verify thermistors are within proper
range using temperature resistance
chart on page 49.
Is the resistance within range?
Yes
Replace main control board
– 43 –
No
Check wiring connections
If wiring is OK,
replace thermistor
Evaporator Fan Not Running
Always check fan for obstruction first.
Unplug refrigerator to reset
main control board.
Warm freezer thermistor to 70 F
and set temperature controls
to 5 and 5. Reconnect power.
At the evaporator fan connector, check
for 13VDC from the red to white wire and
8-13VDC from the white to yellow wire.
Is the voltage correct for both?
Yes
Replace evaporator
fan motor
No
Unplug J2 connector on the main control board.
Check for 13VDC between pins J2-3 and J2-8
and 8-13VDC between pins J2-3 and J2-4.
Is the voltage correct for both?
Yes
Repair wiring
between main control board
and evaporator fan motor
No
Replace main control board
NOTE: When no voltage at main
control board, make certain to
check for shorted fan motor (less
than 1K ohm between white to red
or white to yellow). A shorted fan
motor will damage the replacement
main board.
– 44 –
Condenser Fan Not Running
Always check fan for obstruction first.
Unplug refrigerator to reset
main control board.
Warm freezer thermistor to 70 F
and set temperature controls
to 5 and 5. Reconnect power.
At the condenser fan connector, check
for 13VDC from the red to white wire and
11-13VDC from the white to yellow wire.
Is the voltage correct for both?
Yes
Replace condenser
fan motor
No
Unplug J2 connector on the main control board.
Check for 13VDC between pins J2-3 and J2-5
and 11-13VDC between pins J2-3 and J2-8.
Is the voltage correct for both?
Yes
Repair wiring
between main control board
and condenser fan motor
No
Replace main control board
NOTE: When no voltage at main
control board, make certain to
check for shorted fan motor (less
than 1K ohm between white to red
or white to yellow). A shorted fan
motor will damage the replacement
main board.
– 45 –
Damper Door Not Operating
Push on damper door to check
manual movement.
Is the damper door stuck?
Yes
Damper jammed
Remove blockage or
replace damper
No
Push damper halfway closed.
Unplug refrigerator to reset
main control board.
Set temperature controls to 5 and 5
Reconnect power.
Does damper door move
after immediately
reconnecting power?
(you have 10 seconds to check)
Yes
Verify thermistors are within proper
range using temperature resistance
chart on page 49
Is the resistance within range?
Replace main
control board
Yes
No
Check wiring connections
If wiring is OK,
replace thermistor
No
Unplug harness connector at damper.
Measure resistance between the
yellow
and red/black wires and between the
white/brown and blue/yellow wires.
Do you measure approximately
420 ohms for both readings?
Yes
Unplug J3 connector from main control
board. Unplug refrigerator to
reset, then reconnect power.
Do you have 6VDC between pins
J4-3 (common) and each of the
pins J3-1, J3-2, J3-3 and J3-4?
(you have 10 seconds to check)
No
No
Replace damper
Replace main
control board
– 46 –
Yes
Look for wiring problem
between main control board
and damper. If wiring is OK,
replace damper.
Compressor Not Running
Unplug refrigerator
Warm freezer thermistor to 70 F
Connect power and set temperature
controls to 5 and 5.
Is the compressor running?
Adjust settings and allow
24 hours to stabilize
Yes
No
Check for 120VAC at connector J7-9
orange wire to TERMINAL-J8 black wire.
Do you have 120VAC?
Yes
Direct test the
compressor.
Did it start?
No
Yes
Replace main board
Check wiring to
compressor,
overload & relay
– 47 –
No
Replace
compressor
Heavy Frost on Evaporator
First, always check door ajar,
customer usage - numerous
door openings, etc...
Unplug refrigerator from power.
Unplug blue connector from main
board. Measure between blue wire
on connector and neutral orange
wire on main board J7, pin 9.
Is there approximately 22Ω?
Yes
No
Check wiring harness
Check defrost heater
Check defros safety thermostat
Verify thermistors are within proper
range using temperature resistance
chart on page 49
Is the resistance within range?
No
Check wiring connections
If wiring is OK,
replace thermistor
– 48 –
Yes
Replace
main board
Table 2. Thermistor Values
Temperature
Degrees (C)
Temperature
Degrees (F)
Resistance in KiloOhms
-40
-40
166.8 kΩ
-35
-31
120.5 kΩ
-30
-22
88 kΩ
-25
-13
65 kΩ
-20
-4
48.4 kΩ
-15
5
36.4 kΩ
-10
14
27.6 kΩ
-5
23
21 k Ω
0
32
16.3 kΩ
5
41
12.7 kΩ
10
50
10 kΩ
15
59
7.8 kΩ
20
68
6.2 kΩ
25
77
5 kΩ
30
86
4 kΩ
35
95
3.2 kΩ
40
104
2.6 kΩ
45
113
2.2 kΩ
50
122
1.8 kΩ
55
131
1.5 kΩ
60
140
1.2 kΩ
NOTE: The thermistor’s resistance has a negative coefficient. As the temperature increases, the
thermistor’s resistance decreases.
– 49 –
Component and Connector Locator Views
Evaporator
Fan
Light
Evaporator
Thermistor
Defrost
Thermostat
Evaporator
Defrost
Heater
Freezer
Thermistor
GEA00916
– 50 –
Fresh Food
Light Switch
Damper
Fresh Food
Thermistor
Fresh Food
Lights
GEA00913
– 51 –
Main
Control
Board
Condenser
Fan
Jelly Roll
Condenser
Compressor
Water
Solenoids
Capacitor
GEA00917
Overload
and Relay
(under cover)
– 52 –
Main Control Board (120 VAC Side)
PROCESSING
UNIT
1
OUTPUTS
K6
WATER
K2
C/CR
AUGER
COMMON
CRUSHER
K1
AUGER
J7
OCH
DFF
DFZ
WATER
K7
PAN/HTR
QC
K5
K3
PAN_HTR
N
LINE
DEFR
DEFROST
COMP
L1
K4
COMP
PRE-CHILL
DEFROST
2
J6
COOLING
COMPRESSOR
AND
DEFROST
OUTPUTS
DOOR
SWITCH
INPUTS
J7
1 - Blk / Wht
2 - Violet / Blk
3 - Yel
4 - Gry
5 - Not Used
6 - Violet
7 - Red
8 - Blk
9 - Orn
GEA00905
NOTE: Refer to the Main Control Board Locator Tables in the Diagnostics chapter for more
information.
– 53 –
Schematics
FREEZER DOOR
DC
DUCT SOLENOID
EMI FILTER (WHEN APPLICABLE)
R = 48Ω
HTR
4
AC
LINE VOLTAGE
ORANGE
VIOLET
J4-4
WHITE
WHITE
WHITE
J4-5
J1-5
J-9
J7-6
VIOLET
ORANGE
OVER TEMPERATURE
THERMOSTAT
(When Apllicable)
VIOLET
VIOLET
J1-6
GRAY
J1-3 J1-4 J1-5
RED/YELLOW
J1-2
PINK/BLACK
J1-1
YELLOW ON WHITE
PINK
VIOLET/BLACK
WHITE
J3-5
FF Control
ENCODER
BOARD
WHITE
– 54 –
J7-7
J7-4
FREEZER DOOR
INTERLOCK
ORANGE
ORANGE
RED
GRAY
(AUGER INPUT)
BROWN
ORANGE
FRESH FOOD LIGHT(S)
(MID.)
RED
BROWN
J-11
(SEE INDIVIDUAL DIAGRAM)
VIOLET
FREEZER LIGHT
ORANGE
R=180Ω Each
I/M WATER VALVE
(SEE INDIVIDUAL
DIAGRAM)
BROWN
WHITE
BROWN
WHITE
WHITE
ICE MAKER
YELLOW
YELLOW
YELLOW
ORANGE
YELLOW
DISPENSER WATER VALVE
R=320Ω Each
R= 39Ω
J7-1
J1-4
BLUE ON WHITE
J1-3
WHITE
THERMISTOR FF
J3-10 J1-2
BROWN
WHITE
THERMISTOR FZ
ORANGE
FRESH FOOD LIGHT
(TOP)
VIOLET/BLACK
VIOLET/BLACK
ORANGE
VIOLET/BLK
CUBE
R= 2Ω
THERMISTOR EVAP.
J3-6 J3-7 J3-8 J3-9
WHITE
WHITE
+5V
BLUE/WHITE
DEFROST HEATER
R=3400Ω
PINK
BLUE
FILL TUBE HEATER
FF SWITCH
J7-3
BLUE/YELLOW
PINK
BLUE
BROWN
J7-2
J3-3
WHITE/BROWN
BLUE
DAMPER
COND. FAN
WHITE
R=18Ω
BLACK/WHITE
BLACK/WHITE
B/W
ORANGE
AUGER
J7-9
EVAP. FAN
WHITE
RELAY
COMPRESSOR
MAIN CONTROL BOARD
J2-5 J2-6 J2-7 J2-8
J2-1
J3-4
RED/BLACK
J3-2
YELLOW
J3-1
RED
(SEE INDIVIDUAL
DIAGRAM)
(SEE
INDIVIDUAL
DIAGRAM)
(SEE
INDIVIDUAL
DIAGRAM)
BLUE (RPM)
YELLOW
WHITE
BLUE
YELLOW
RED
WHITE
RED
YELLOW
J2-2
WHITE (COMM)
J2-4
YELLOW
YELLOW/BLACK
J2-3
J4-6
DISP. LIGHT
CAPACITOR
S 4.64Ω
B/W
+ 13V RED
WHITE
OVERLOAD
ORANGE
VIOLET
ORANGE
BLACK
ORANGE
J4-4
VIOLET
+13V RED
ORANGE
BLACK (Comm)
RED
ORANGE
ORANGE
ORANGE
BLACK
RED
R 3.37 Ω
J-8
J4-3
BLACK
TAN
J4-3
J4-2 J4-1
TAN
J4-5
(SEE INDIVIDUAL DIAGRAM)
J2-3 J2-2
J2-4
RED
GRAY
DEP. SWITCH
BLACK
WHITE
YELLOW
RED
DISPENSER BOARD
YELLOW
TAN
J4-2 J4-1
BROWN
J1-2
J1-1
ORANGE
Test Point LOW VOLTAGE DC
3 2 1
ORANGE
BLACK
1
BLACK
BLACK
BLACK
R=13Ω
– 55 –
– 56 –
Defrost Heater
Pin 1 J9
Pin 9 J7
Pin 8
Pin 7
Pin 6
Pin 5
Pin 4
Pin 3
Pin 2
Pin 1
Neutral
NIC
FZ Door Switch
FF Door Switch
QuickChill Heater
Auger Motor Interlock
Water Valve
Crusher Solenoid
Auger Motor
Pin 2 QuickChill Htr.
Pin 1 QuickChill Htr.
Pin 1 J12 Monogram Drain Pan Heater
Pin 1 J11 Line
Compressor
Pin 1 J8
J5 Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
J2 Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
QuickChill Damper1 +
QuickChill Damper1 QuickChill Damper2 +
QuickChill Damper2 +5V
QuickChill Thermistor
Evaporator Fan Tach.
Personality Input 5
Fan Common
Evaporator Fan
Condenser Fan
FF Fan
QuickChill Fan
Fan +12V
Low Voltage DC
120 VAC
J3 Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
J1 Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Damper - Blue
Damper - White
Damper - Red
Damper - Yellow
FF Encoder Select
FZ Encoder Select
Encoder Signal
Encoder Signal
Encoder Signal
Encoder Signal
FF1 Thermistor
FF2 Thermistor
FZ Thermistor
Evaporator Thermistor
+5V
Personality Input 1
Personality Input 2
Personality Input 3
Personality Input 4
REV H and higher
J4 Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Comm. Tx/Rx
Comm. +12V
Comm. Common
Discrete Disp. Input 1
Discrete Disp. Input 2
Notes
– 57 –
Illustrated Parts Catalog
– 58 –
– 59 –
– 60 –
– 61 –
– 62 –
– 63 –
– 64 –
– 65 –
– 66 –
– 67 –
– 68 –