SERVICE DATA SHEET
SERVICE DATA SHEET
PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 37°/0°
CONTROL SETTING
Type A with Run / Start Capacitor
65°F (18°C) Ambient
90°F (32°C) Ambient
90 to 100%
100%
-5° to 2°F
(-20° to -17°C)
-1° to 3°F
(-18° to -16°C)
34° to 39°F
(1° to 4°C)
34° to 39°F
(1° to 4°C)
Low Side Pressure
-2 to 6 psig
(-14 to 41 kPa)
-2 to 6 psig
(-14 to 41 kPa)
High Side Pressure
(last 1/3 cycle)
85 to 105 psig
(586 to 724 kPa)
120 to 135 psig
(827 to 931 kPa)
Wattage (last 1/3 cycle)
30 to 50
50 to 70
Amps (running)
.4 to .8
.7 to .9
Operating Time
Freezer Temperature
Refrigerator Temperature
Base Voltage
BOTTOM FREEZER - R134a
Cabinet Size:
ERROR CODES
Display
Defrost Thermistor
Termination
Cut-in
Cut-out
Watts
Ohms
Cut-out
Freezer
110°F
(43.3°C)
135°F
(57.2°C)
500
26.5
48°F
(8°C)
Fresh Food
Ice Maker
110°F
(43.3°C)
135°F
(57.2°C)
70
188.9
68°F
(20°C)
27’ & 28’ SD,
22’ CD
IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION.
DEFROST SPECIFICATIONS
Heater
Electronic Timer - (ADC) Defrost 24 minutes every 6-96 hours of compressor run time.
RPM
Amps
3.1
1100 CW
Opposite Shaft
0.03 Running
SPECIAL MODES
Interpretation
115 vac (127 vac max)
Thermostat
Opens at 48°F ( 9°C), Closes at 15° F ( -9°C)
Heater Voltage
115 vac
LINE
FF
FZ
FF
Open FF
Cavity Thermistor
Manual Defrost
d
F
FF + and FF -
Same to deactivate
OP
--
Open FZ
Cavity Thermistor
Demo / Showroom
77
77
FZ + and FF -
Unplug to deactivate
--
SH
Shorted FF
Cavity Thermistor
Sabbath
Sb
Sb
FZ - and FF +
Same to deactivate
SH
--
Shorted FZ
Cavity Thermistor
System Diagnostic
No FF or FZ display,
all UI LEDs on
FZ + and FZ -
Press and hold FF +
to deactivate
SY
CF
UI to Main Board
communication
failure; on start up
Current Air Temps
FZ Temp
FF Temp
Default Settings
and C/F
Automatically
after 10 sec
SY
CE
UI to Main Board
communication
error; after a period
in operation
Numerical display of
first test
FZ + and FF +
Press and hold FF +
to deactivate
SY
EF
Freezer Evaporator
Fan Failure
Deactivate:
NEUTRAL
BLK
→
BLU
MOLD HEATER
165 WATTS
GRN / YEL
RED
NO
BLK
Check at the connector from
theNCpower cord
C
harness into the inverter board, located in
SHUTOFF
the machine compartment.
NO
SWITCH
(PUR and WHT wires)
NC
YELLOW
Is Inverter
115 VAC
C Board receiving
from WATER
power supply?
FILL
P-1
MOUNTING
PLATE
P-4
THERMOSTAT
NC
C
→
yes
Press FF + for up to 10 sec. FFIM Diagnostic Mode will automatically deactivate after 5 min. of inactivity.
NOTE: Silence alarm.
Passing Result
To activate test
Ice Maker Thermistor
Activates
automatically
FZ display shows temperature sensed by Ice Maker Thermistor.
“OP” if open; “SH” if short
55C
Water Valve
Press Power
On-Off
Remove ice tray to collect water into a measuring container to measure water
fill. If collecting water into ice tray, first perform test 63C to empty ice tray.
57C
Evaporator Fan (FFIM)
Press Power
On-Off
“On” on FZ display when fan activated, “OFF” when deactivated.
Ice Level Sensor
Activates
automatically
Remove ice bucket.
Allow bail arm to drop freely. Pass if no alarm when tray returns to “home” position.
Hold bail arm up. Pass if alarm sounds when tray returns to “home” position.
This test runs continuously until another test is selected.
Press Power
Remove ice bucket.
58C
63C
Twist Tray
Check at Inverter Board on
Compressor
(BLK and RED wires)
→
yes
Remove inverter
→ Check
connections
On-Offbox from the
FZ display shows
“1” and
“GOOD”.from Inverter
compressor and check resistance
Board to Compressor
across compressor winding pairs as
yes TIME
FRESH FOOD ICE MAKER FILL
ADJUSTMENT
MODE
Are connections
from Inverter
shown.
Board to Compressor intact?
Is Inverter Board receiving 10-15
NOTE:
First consider
water filter condition before adjusting fill time.
Is resistance
across all winding
VAC and 1-5 VDC from Main
pairsthe
equal?
Press and hold
Icemaker on/off and Powerplus Freeze pads for up to 10 seconds.
Control Board? Activate:
Press FF + or - to adjust
between the 3 fill settings.
no
no
no
P-2
SWITCHno
ICE MAKER
Notes:
•Always check for pin back-outs, pinched or damaged wires before replacing components.
•Determine whether failure is caused by the component, main control board or wiring.
Contact TID before replacing main control board.
•Refer to Service Manual for additional information.
52C
LT. BLUE
NO
WATER VALVE
ICE MAKER
RED
RED
MOLD
LT. BLUE
ICE MAKER
BRN
THERMAL
CUT-OUT
HOLD
SWITCH
FFIM Diagnostic
Deactivate:
Exits automatically after 10 seconds, or press any button other than + or -.
Replace Compressor and
•
•
CAUTION
Display
Inverter Board.
Check voltage supply.
Check and repair power
cord harness wiring and
connections.
FZ
→
Check at Main Control Board
(BLK/WHT and RED/BLK wires)
IC
All electrical parts and wiring must be shielded from torch flame. DO NOT allow torch to touch insulation;
Is Main Control Board sending
it will char at 200°F and flash ignite (burn) at 500°F. Excessive heat will distort the plastic liner.10-15 VAC and 1-5 VDC to
Inverter Board?
FREEZER ICE MAKER INFORMATION
(Where Applicable)
Water Fill Volume: The water fill adjustment screw will change the
fill time. One full turn is equal to 20cc (.68 oz.). The correct fill is 102 to
130cc (3.4 to 4.3 oz.). When a water valve is replaced, the fill volume
must be checked.
yes
Water Fill
Adjustment
Motor
Gear
TU
R
N
Test Cycling: Remove cover by inserting screwdriver in notch at bottom
and prying cover from housing. Use screwdriver to rotate motor gear counterclockwise until holding switch circuit is completed. All components of ice
maker should function to complete the cycle.
(press for up to 10 sec. simultaneously)
Press FZ + and FF + temperature pads for up to 10 sec. simultaneously.
Press FF + or - to move forward or backward through tests.
Test
MOTOR
Deactivate
FRESH FOOD ICE MAKER DIAGNOSTIC MODE
ICE MAKER
BLK
Activate
OP
Activate:
POWER
P-3
Mode
--
FREEZER ICE MAKER SPECIFICATIONS
Electrical
Display
FZ
CONDENSER FAN MOTOR
Watts
A06915801
ICE & WATER - AUTOMATIC DEFROST
115 vac (127 vac max)
Thermal Cutout
SYSTEM DIAGNOSTIC MODE
Mounting
Plate
Screw
Identify and repair damaged wires or
poor connections between Main Control
Board and Inverter Board.
Mounting
Plate
Screws
Timing
Gear
FF
−
no
Identify and repair damaged
Description
wires or poor connections
between Inverter Board and
Compressor.
Min Fill Time (default)
yes
=
Mid Fill Time
Replace Main Control Board.
=
VCC VCC
COMPRESSOR
MOTOR
Resistance Check
Max Fill Time
Replace
Inverter Board
RESISTANCE
CHECK
Check resistance between terminals 1 and
2, 2 and 3, 3 and 1.
If all resistances are equal,
compressor is operative.
Activate:
Deactivate:
Press FF + and - for up to 10 sec. simultaneously. Press FF to advance through tests.
Press FF + for up to 10 sec. Diagnostic Mode will automatically deactivate after 5 min. of inactivity.
Note: Silence alarm.
• Tests marked with “*” may not be applicable to this unit and will not be displayed in System Diagnostic Mode.
• Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.
• View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.
• Listen for operating sounds; feel for heat or air flow as appropriate to determine results of tests.
Test
To activate test:
Passing result
-- First Screen
-Blank on both UI displays, no LEDs illuminated.
-- Second Screen
-All LEDs on both UIs illuminated.
-- Third Screen
-Blank UI display, no LEDs illuminated.
28 Dispenser Paddle
Press disp. paddle
“On” on UI when depressed; “off” when released. “Water” is illuminated
on front UI.
34 Ambient Thermistor Activates automatically UI shows temperature sensed at UI; Pass if within +20˚F/-10˚F of [email protected] UI
perature measure with gauge at UI location. “OP” if open; “SH” if short.
“Cubes” is illuminated on front UI.
46 Humidity Sensor
Activates automatically “OP” if open, “SH” if short. AC Heater System: Displays %RH. DC Heater
System: “HI” - heater should be on. “Lo” - heater should be off. %RH is
displayed when humidity is between “Lo” and “HI” values; heater could
be on or off. “Crushed” is illuminated on front UI.
36 Ice Chute Door
Depress ice chute door “OP” on UI when manually opened; “CL” when closed . Or using “power
or press Power On-Off on-off”, motor drive door open “OP” or closed “CL”.
47 Dispenser
Press Power On-Off
Heater on when “on’ off when “off”.
Pocket Heater
66 Dispenser Light
Press Power On-Off
Dispenser light on when “on”, off when “off”.
6- Front UI Firmware
Press Power On-Off
Displays digit sequence; record.
2
Freezer
Press Power On-Off
Freezer defrost heater on when “on”; off when “off”. Evaporator thermisDefrost Heater
tor temperature is flashed. Watch for temp increase with the heater on.
It may take a few minutes for the evaporator to heat up.
8
Water Valve
Press Power On-Off
FF door must be closed. Be prepared to collect water at dispenser.
(Dispenser)
Water dispenses when “on”; stops when “off”.
10 Auger Motor
Press Power On-Off
FF door must be closed. Motor running when “on”; motor stopped when “off”.
11 Cube/Crush
Press Power On-Off
FF door must be closed. Do not leave solenoid in activated state.
Solenoid
Solenoid activated when “on”; deactivated when “off”.
12 Condenser Fan
Press Power On-Off
Fan running when “on”; stopped when “off”.
43 Mullion Anticonden- Press Power On-Off
Flip mullion heater on when “on”; off when “off”.
sation Heater
38 VCC Compressor
Press Power On-Off
Compressor running when “on”; off when “off”.
13 FF Lights
Press Power On-Off
FF lights on when “on”; off when “off”.
15 Freezer
Press Power On-Off
Press to toggle between “off”, “LO” and “HI”. A current sensor reading is
Evaporator Fan
flashed (units are not mA). OFF reading should be around 2. “LO” speed
reading should settle down to around 9. “HI” speed reading should settle
down above 40.
20 FZ Lights
Press Power On-Off
FZ lights on when “on”, off when “off”.
22 Damper
Press Power On-Off
Perform test 15 and set fan to “HI”. Then check for air flow when open
“OP”; and no air leaks when closed “CL”.
23 FF Door
Open/Close FF door
“CL” on UI when door closed; “OP” when open.
24 FZ Door
Open/Close FZ door
“CL” on UI when door closed; “OP” when open.
26 Ice Maker
Activates automatically Heater is turned on automatically. The ice maker evaporator thermistor
Defrost Heater
temperature is flashed. Watch for temp increase with the heater on. It
may take a few minutes for the evaporator to heat up.
29 FF Thermistor
Activates automatically UI shows temperature sensed by FF thermistor; pass if within 10°F of
temperature measured with gauge at FF thermistor location. “OP” if
open; “SH” if short.
30 FZ Thermistor
Activates automatically UI shows temperature sensed by FZ thermistor; pass if within 10°F of
temperature measured with gauge at FZ thermistor location.“OP” if
open; “SH” if short.
33 Ambient Thermistor Activates automatically UI shows temperature sensed at main board; pass if within +20°F/-10°F
@ Main Board
of temperature measured with gauge at main board location. “OP” if
open; “SH” if short.
39 Freezer Evaporator Activates automatically UI shows temperature sensed by freezer evaporator thermistor; pass if
Thermistor
within 10°F of temperature measured with gauge at evaporator thermistor location.“OP” if open; “SH” if short.
45 Ice Maker Mold
Activates automatically UI shows temperature sensed at ice maker; pass if within +20°F/-10°F
Thermistor
of temperature measured with gauge at ice maker mold. “OP” if open;
“SH” if short.
68 Ice Maker
Activates automatically UI shows temperature sensed by evaporator thermistor; pass if within
Evaporator Thermistor
10°F of temperature measured with gauge at evaporator thermistor location. “OP¯” if open; “SH¯” if short.
0- Firmware Parameters Press Power On-Off
Displays digit sequence; record.
1- Main Board Firmware Press Power On-Off
Displays digit sequence; record.
3- UI Firmware
Press Power On-Off
Displays digit sequence; record.
IMPORTANT SAFETY NOTE
The information provided herein is designed to assist qualified repair personnel only. Untrained persons should
not attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing
this appliance.
IMPORTANT
If any green grounding wires are removed during servicing, they must be returned to their original position and
properly secured.
FRONT
USER
INTERFACE
1
5
2
+12V DC
4
J3
3
+12V DC
6
REVERSIBLE
9
12V
10
4
3
2
1
GRY/WHT
GRY/WHT
2
GRY/WHT
1
MB1
PIN 7
1
2
3
4
1
2
3
4
WHT/BLU
WHT/BLU
WHT/BRN
WHT/BRN
WHT/BLU
IM1
PIN 6
IM EVAPORATOR
SENSOR
PIN 7
RG-3
RG-4
LED
LED
RG-2
RG-6
LED
LED
WHT/BRN
RG-1
RG-7
WHT/BRN
WHT/BRN
WHT/BLU
WHT/BLU
WHT/BRN
WHT/BRN
WHT/BLU
WHT/BLU
IM FAN
MOTOR
4
3
2
1
BLK
M
GRY/WHT
GRY/WHT PIN 9
PIN 2
M
PIN 1
PIN 5
PIN 4
PIN 6
TRAY
SENSOR
PIN 3
IM2
4
3
2
1
WHT/BLU
FZ-1
2
PIN 2
1
PIN 1
3
PIN 3
YEL
GREY
GREY
WHT/GRN
YEL/WHT
RED/WHT
BRN/WHT
MB1
RED
COMPRESSOR
CONTROL SIGNAL
BLK
RED/BLK
1
BLK/WHT
2
+5V DC
RL5
RL4
+5V DC
RL8
RED/YEL
PIN 6
12V DC
DAMPER
MOTOR
RED/YEL
BRN/YEL
PIN 5
BRN/YEL
BLK/YEL
WHT/YEL
BLK/YEL
PIN 3
WHT/YEL
PIN 2
YEL/BLK (COM)
YEL/GRY (N/C)
LH LIGHT
SWITCH
(DOOR OPEN)
PURPLE (N/O)
PURPLE (COM)
RH3
LH2
RH2
1 2 4 6
YEL/PNK
FREEZER DOOR
SWITCH
(DOOR OPEN)
RH1
PIN 5
PIN 8
1 2 4 6
YEL/BLK (COM)
YEL/GRY (N/C)
PUR/BLK (N/O)
PURPLE (COM)
RH LIGHT
SWITCH
(DOOR OPEN)
RH1
YEL/PNK
BLK/ORN
BLK
MB1
PIN 4
PIN 5
YEL/GRY
YEL/GRY
+5V DC
1
8
2
3
J7
4
7
5
6
RL9
RL7
YEL/PNK
12 VDC
GRN/YEL
BASE PLATE
GROUND
BLK
J2 3
YEL/RED
7
J3
4
YEL/BLK
MC1
6
J3 3
5
RIGHT DOOR
FLANGE
FLIP MULLION COVER
RIGHT HINGE
GROUND
LT. BLU/BLK
PIN 6
LT. BLU
RED
YEL
2
GRN/YEL
PIN 9
PIN 1
1
PIN 6
PIN 2
3
RH3
RH1
CONDENSER FAN
MULLION HEATER
TWIST ICEMAKER
WATER VALVE
TAN
DISPENSER
WATER VALVE
LT. BLU
LT. BLU
SPLICE
SPLICE
TAN/YEL
SPLICE
SPLICE
MAIN INLET
WATER VALVE
DIODE
YEL/BLU
+5V DC
YEL/BLU
LINE
+5V DC
3
4
5
6
1
J4
2
9
NEUTRAL
RL1
1
5
J1 4
J2
FREEZER ICEMAKER
WATER VALVE
PIN 1
BLK
BLK
PIN 3
LT. BLU
PIN 2
BRN
BLK/ORN
YEL/PNK
PIN 4
FREEZER
EVAPORATOR
HEATER
MB2
+12V DC
+12V DC
ERF2500++ISO
REFRIGERATOR
CONTROL
+12V DC
GND
3
YEL/BLU
2
1
GRN/YEL
BEHIND FRONT
LEFT ROLLER
RL2
RL6
J2 2
J3 2
BROWN/BLUE
BLU/WHT
PIN 7
BROWN
PIN 1
PIN 3
PIN 8
OUT1B
PIN 2
MC1
OUT2A
PIN 7
OUT2B
RL3
J3 1
PUR/BLK
AUGER MOTOR
PIN 5
IM1
OUT1A
11
J5
7
4
CUBE/CRUSH
SOLENOID
+12V DC
5
6
J5
3
4
FREEZER DOOR
SWITCH
(DOOR OPEN)
COIL COVER
GROUND
CABINET
WRAPPER
11
12
YEL/PNK
THERMAL
CUT-OUT
FREEZER
ICE MAKER
(SEE FZ ICE
MAKER DIAGRAM)
PIN 9
PIN 4
RH1
+5V DC
BOARD-MOUNTED
AMBIENT THERMISTOR
ICEMAKER
EVAPORATOR
HEATER
BLU/WHT
PURPLE
THERMAL
CUT-OUT
CUBE/CRUSH
SOLENOID
AUGER
MOTOR
PURPLE (COM)
PURPLE (N/O)
PURPLE (COM)
PUR/BLK (N/O)
YEL/GRY (N/C)
YEL/BLK (COM)
YEL/GRY (N/C)
YEL/BLK (COM)
SPLICE
PIN 4
IM1
LT. BLU
LH LIGHT
SWITCH
(DOOR OPEN)
BOARD VIEW
RH LIGHT
SWITCH
(DOOR OPEN)
J9
+5V DC
12
J5
8
2 4
J1
1 3
1
J2
RL3
1
3
9
3
6 6
AT1
7
1
1
7
MB2
4
4
1
MC1
MB1
LATCH
CATCH
1
9
9
3
1
7
7
1
12
1
2
J8
AMBIENT
TEMP
SENSOR
RL8
U2 RL4
1
J4
1
1
RL7
J5
J6
1
J7
1
1
RH3
MB2
3
11
RL9
J3
5
5
3
BACK VIEW
MC1
RL6
LH2 & RH2
IM2
3
9
J11
RL2
RL5
IM2
AT1, IM1, MB1, & RH1
1 4
RL1
+5V DC
FRONT INSIDE
VIEW
IM1
MC1
PIN 3
DIODE
REVERSIBLE 12V DC
GRN/YEL
PIN 2
LT.BLU/BLK
+12V DC
1
J8
2
YEL/PNK
LT. BLU
+5V DC
U2 (SSR1)
VARIABLE SPEED
COMPRESSOR/ INV.
PIN 1
CAB. GROUND
+12V DC
1
J1 2
3
POWER
CONTROL SIGNAL
RED/BLK
BLK/WHT
PIN 4
NEUTRAL
1
AT1
INLINE CONNECTOR ABBREVIATION KEY
ABBR.
EXPLANATION
AT1 9 PIN CONNECTION AT AIR TOWER
9 PIN CONNECTION IN FRESH
IM1
FOOD ICEMAKER COMPARTMENT
6 PIN CONNECTION IN FRESH
IM2
FOOD ICEMAKER COMPARTMENT
5 PIN CONNECTION AT THE LEFT
LH2
DOOR UPPER HINGE
9 PIN CONNECTION IN THE MAIN
MB1 BOARD HOUSING BEHIND THE TOE
GRILLE
4 PIN CONNECTION IN THE MAIN
MB2 BOARD HOUSING BEHIND THE TOE
GRILLE
9 PIN CONNECTION IN THE
MC1 MACHINE COMPARTMENT TO THE
LEFT OF THE COMPRESSOR
9 PIN CONNECTION AT THE RIGHT
RH1
DOOR UPPER HINGE
5 PIN CONNECTION AT THE RIGHT
RH2
DOOR UPPER HINGE
2 PIN CONNECTION AT THE RIGHT
RH3
DOOR UPPER HINGE
BLU
WHT/BLU
FREEZER LEDS
TYPICAL LED CONNECTOR
WHT
RED
WHT/BRN
EVAPORATOR
FAN (DC)
LED
GRY/RED
WHT/RED
WHT/BRN
WHT/GRN
WHT/GRN
WHT/RED
WHT/RED
4
WHT/GRN 3
2
WHT/RED 1
WHT/RED
LED
GRY/RED
DK. BLU
PIN 1
WHT/GRN
FZ-2
GRY/BLK
GRN/BLU
BAIL ARM
SWITCH
REFRIGERATOR LEDS
PIN 6
PIN 2
RED 1 DK. BLU
TWIST
MOTOR
4
3
2
1
2
GRN/BLU
PIN 8
GRY/BLK
COMM.
+5V DC
LINE
5
6
7
8
J6
11
12
3
4
LT. BLU
SPLICE
PIN 5
GRY/WHT
GND
BLK
LT. BLU
6 4 2 1
RG-5
LED
RED
LT. BLU
BLK
6 4 2 1
RH2
1
J9
2
OR
3
J11
4
COMPRESSOR
GROUND
TAN
LH2
WHT
AC SIDE
YEL
PIN 3
PIN 4
PIN 5
FREEZER
EVAPORATOR
SENSOR
WHT/BRN
WHT/BRN
WHT/BLU
WHT/BLU
4
3
2
1
WHT/BRN
WHT/BRN
WHT/BLU
WHT/BLU
4
3
2
1
WHT/BRN
WHT/BRN
WHT/BLU
WHT/BLU
LED
BLK
PIN 3
PIN 4
PIN 5
FRESH FOOD
SENSOR
LED
DC SIDE
FLAPPER
MOTOR
LED LIGHT WIRING
FREEZER
SENSOR
RIBBED
(NEUTRAL)
DISPENSER
PADDLE
DISPENSER
LIGHT
3
J7 2
1
3
2 J4
1
BASE PLATE
GROUND
FLAPPER
POSITION
SWITCH
+12V DC
3
J2 2
1
NON-RIBBED
(LINE)
2
1
J6
+12V DC
USER
INTERFACE
ON THE SIDE
OF THE DOOR
POWER CORD
DISPENSER
HEATER (DC)
2
4
4
2
1
3
3
1
2
2
1
1
Wire Diagram A06575501
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