GE Works: Proudly Assembled in Louisville, KY.

GE Works: Proudly Assembled in Louisville, KY.
Copyright General Electric 2011
InfiniClean Dishwasher
Hybrid SS Inner Door or Plastic Inner Door
Copyright General Electric 2011
IMPORTANT SAFETY NOTICE
The information in this presentation is intended for use by individuals
possessing adequate backgrounds of electrical, electronic, &
mechanical experience. Any attempt to repair a major appliance may
result in personal injury & 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 & properly fastened.
GE Factory Service Employees are required to use safety glasses with
side shields, safety gloves & steel toe shoes for all repairs.
Dyneema® Cut
Resistant Glove
Electrically Rated Glove
and Dyneema® Cut
Resistant Glove Keeper
Plano Type Safety Glasses
Prescription Safety Glasses
Safety Glasses must be
ANSI Z87.1-2003 compliant
Steel Toe Work
Boot
Brazing Glasses
Tactile Controls
Front Control
Top Control
Copyright General Electric 2011
Flex Baskets
Copyright General Electric 2011
Nomenclature
Copyright General Electric 2011
2012 Plastic Tub Dishwasher
GDF510PGDBB
GDF510PGDWW
GDF510PMDSA
GDF510PSDSS
GDF520PGDBB
GDF520PGDWW
GDF520PGDCC
GDF520PSDSS
GDF540HGDBB
GDF540HGDWW
GDF540HSDSS
GDT530PGDBB
GDT530PGDWW
GDT530PSDSS
GDT550HGDBB
GDT550HGDWW
GDT550HSDSS
Copyright General Electric 2011
GDT550H
GDT530P
GDF520P & GDF540H
GDF510P
Copyright General Electric 2011
The Highlights: What's new
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True Flush Design
Screw less appearance of Inner Door
Door easily removable
More Ergo friendly for Service
Better Filtration, Fine Filter is consumer cleanable
All New Wash System - Alternating Spray Arms
Wash System Sump Assembly, easily removes into the Tub
DC Water Valve
More components Front Serviceable
Main Control located under Dishwasher, DC Door Voltage
Fewer Parts
Commonality across the Product Line
Installation Kits
1. GPF12L – 12 foot Drain Hose
2. GPFQD Quick Disconnect power cord to fit standard home wall plug
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Installation
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Locator Views
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Model Tag
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Mini-Manual
RJ45 / ACM Connector
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Top Control Door
Bar Handle
Outer Door Panel
Outer Vent Seal
Vent Conduit
Inner Vent Seal
Handle Brackets
Badge
Hinge Components
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SS Inner Door Brace
acts as a stiffener and helps tighten up door flex
Hinge Support
Pad
Door Brace
Hinge Arm
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Specs:
120 Volt AC Components
• Circulation Pump: 120 VAC, .8 amp – 3.8 LRA, 8GPM @ 5PSI
• Drain Pump: 120 VAC, 27 ohms, .65 amp
• Heater: 120 VAC, 18 ohms wet – 23.4 ohms dry, 6.7 amp wet - 5.125
Watts, 800 wet / 650 dry +/- 5%
• Tub TCO: 120 VAC, 210f +/- 10 Manual Reset
• Main Control: 120 VAC / 5 & 13.5 VDC
DC Volt Components
• UI Control: 13.5 VDC input, 13.5 volts DC output (some models)
• Door Switch: 13.5 VDC
• Water Valve: 13.5 VDC, 32 ohms, .83 GPM
• Detergent Cup: 13.5 VDC , 32 ohms
• Turbidity Sensor: .24-3.8 VDC, 10K ohms
• Flood Switch: 13.5 VDC, .42 amp
• Thermistor (in flood switch): Resistance
Temperature
20K
11K
5.8K
3.4K
2.1K
1.3K
50
75
100
125
150
175
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Lower Rack
Silverware Basket on some
Models can be placed on the
Inner Door
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Remove Cover by lifting from tabs on Carrier
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Push Carrier to back of Rack to release
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Upper Rack
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Remove Roller bracket, press Tab on clip out and lift
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Remove Bracket by pushing the bottom of the bracket in,
turn assembly and pull from Rack
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Mid Conduit removal
1. Push Tab up and back to release
2. slide off rack bottom
2
1
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Demo Mode
Allows control functions for showroom use
To enter, press Heated Dry and Start for 5 seconds
To exit, press Heated Dry and Start for 5 seconds
Symptom: If the start button either does not respond or it makes a triple
beep sound every time its pressed AND all other buttons respond as
normal…..
Diagnosis: The unit may be in demo mode.
Cure: To exit demo mode hold Heated Dry and Start for 5 seconds.
Also – the Service LED on the control board will flash 6 times (explained
later in the presentation and is also in the mini manual)
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Error Code and Service Modes
STC Representative or Tech can direct a
consumer into Error Code Mode.
Errors:
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Minimum Water Temp (120 F) not met in last 3 of 5 cycles
Communication Error
Thermistor Error Control interprets 40 degrees - 26.5K as Open
200 degrees - .9K as Shorted
•
Turbidity Sensor Error
Service Mode: must be entered while in
Error Code Mode. This Mode is meant for Technicians
Only. Load Control is achieved here
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Error Code Mode:
Select
Cycle
Start
Press and hold 5 seconds
Door Status Check (test will last for 10 seconds)
LED’s Solid
Indicates door is closed
LED’s Flashing Indicates door is open
LED
Error Type
Error Causes
Start
Communications
Failure
User Interface control is unable to communicate with
the machine control.
Heated Dry
Wash Temperature
Error
The minimum wash temperature of 120°F was not
reached during 3 of the past 5 wash cycles.
Wash Boost
Thermistor Error
Control is detecting a short or open circuit at the
thermistor.
Clean
Turbidity Sensor
Error
Control is detecting a short or open circuit at the
turbidity sensor.
Lock
Always Illuminated
Illuminates to tell user that Diagnostic Code Display
Mode is active.
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Top Control Errors
Wash Boost
Thermistor Error
Heated Dry
Minimum Wash Temp not met
Start
Communication Error
Lock
On when in Error Code Mode
Clean
Turbidity Error
• Time out after 5 minutes
• Press any button except Select Cycle to exit Error Code Mode
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Front Control Errors
*Press any button except Select Cycle to exit
*Will time out after 5 minutes
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Service Mode: As past models, Service mode can be used to control
Loads for component testing.
To enter Service mode, the Error Code Mode must be active.
Select
Cycle
Select
Cycle
Start
Press and hold
5 seconds
Selects/Increments
Test
Start/Stop Test
Blinks of
Normal LED
Load To Control
Timeout / Notes
1
Drain Pump
Attempts to automatically drain the tub to empty.
From target level, takes approximately 2 minutes.
2
Water Valve
Attempts to automatically fill the tub to the target volume.
To the target level, this takes approximately 60 seconds.
3
Circulation Pump
Changes the spray arm (via changing diverter) every 30
seconds. Runs for a maximum of 2 minutes.
4
5
Heater
Detergent Module
Turns the heater on for a maximum of two minutes.
Turns the soap dispense solenoid on for a maximum of 15
seconds.
*Press any button except Select Cycle or Start to exit
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*Will time out after 5 minutes
Copyright General Electric 2011
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GDT550 Insulation Upgrade
This Package added to GDT550 only, the benefit is
lower sound levels. This unit equals current sound
level on our AP3 Monogram Unit.
Added parts include:
• Bellows
• Insulation Block
* Still in design, illustrations are current renditions
and will change as design matures
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Bellows
Toe Kick
Insulation
Block
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Insulation Block
Located under the control box
Sticky, reusable adhesive adheres to
the bottom of the control box
It is cut to fit the maximum height and is tucked in place
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Bellows
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Clipped to inner door
Routed to the back of toe kick.
Likely to develop to 2 pieces
Likely to see first units have the bellows taped to the inner door, a few
inches from the bottom
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To Remove the Door
1.
2.
3.
4.
Remove power to the dishwasher
Remove Toe Kick
Disconnect Door Wire Harness from main control
Remove wire retention ties from tub, use
a pair of needle-nose pliers to aid removal.
• Tip: Inspection mirror is very helpful
5. Remove 2 - ¼” hex screws at bottom of door
6. Lock the hinges to remove Tension from Springs/Cable by
inserting a Pin (Allan Wrench, small Screwdriver etc.) at the
bottom of the hinge. Door will be open approximately 30 degrees
(similar to oven door broil stop)
7. Lift Door approximately 3 inches upward
8. Tip the top of door inward to vertical position
9. Continue lifting up to remove the door
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Copyright General Electric 2011
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Hinge Update
In a true flush installation, it may be difficult to remove the door.
We’ve found the outer door, hinge arm and receiver clearances
are the cause (see below).
Hinge Receiver
Outer Door
Hinge Arm
Clearance area
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Hinge Update continued
The team is working on 2 possible solutions:
1. Increasing the clearances
2. Changing the hinge locking point
Some installations may require the unit to be slide out an inch.
When a door is hard to remove, try using your foot to pull out on
the door panel to aid removal, this may help provide better
clearance.
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Door removal Tip for True Flush Installs
Tip: if you experience difficulty when
unit is installed True Flush, with deep
countertop, use your foot to pull the
bottom of the door, allowing for better
hinge to receiver clearance. Design
changes are being made.
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Door Harness Wire Ties
Use a pair of needle-nose pliers to aid removal.
I have requested these be added to Truck Stock List
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Separating the Door
1. Remove door
2. Place door assembly on protected surface Outer panel down
3. Remove Vent Cap on top Control Doors
4. Push vent conduit into door area
5. Remove 2 – ¼ hex head screws approximately 3 inches from
bottom of outer panel Photo
6. Slide inner panel up to release the tabs holding the 2 panels
together. The components and wiring will remain with the inner
door panel
Tab (7 each side)
Section of door
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Front Control Console Removal
To remove the console. Lift up on tabs, it’s also helpful to
hold down on the pocket handle
Pull up on Tabs
Hold pocket handle down
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Front Control Components
Console
Buttons
Light Pipe
UI Board
4 – T15 Screws
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Pocket Door Handle and Latch Strike
• 6 - ¼” hex head screws secure the pocket handle
• Latch Strike is secured with ¼” hex head screw
• SS Inner Doors have an adapter
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Top Control UI Removal
Remove 4 - ¼” hex head screws
Control cover, control drop down from top control panel
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Top Control
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Buttons will come as an assembly (by model)
Silicone pad and light pipe assembly
UI Control Board
Cover
Indicator
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Detergent Module
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Detergent Cup and Rinse Aid is activated by solenoid
13.5 volts DC
32 Ohms
GDT550H has a Rinse Aid dispenser tank sensor
.5 second activation of solenoid releases the detergent cup
15 second activation of solenoid releases rinse aid
• Use Service Mode to test the detergent Module
To Remove Detergent Module
1. Remove and separate Door
2. Remove 6 - ¼” hex head screws
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Detergent Module wiring differences
GDF510 Logic in Main Board
GDF520 Logic in UI Board
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Main Control Board
• 2 boards for all Plastic Tub Models, GDF510P only, has Logic in the Main
Control Board. All other models have Logic in the UI Control Board
• located under the unit at the front and contained in a metal box.
• 120 VAC input
• 120 VAC output to the Wash ,Drain Motors and the Heater.
• 13.5 VDC output to the UI Board, Water Valve and Fill Switch
• 5 VDC output to the Turbidity Sensor
• 13.5 VDC is supplied to the Detergent module from either the main control or
UI Board (depending on model)
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To access Main Control Board
1. Disconnect power to dishwasher
2. Remove Toe Kick
3. Remove J-Box
4. Remove 2 - ¼” hex screws
5. Tip front of bottom cover down in front
6. Slide control and cover forward and down
* Use Caution when reinstalling control and cover to not pinch
wiring
Screws
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Warning: make sure wire harness’s are not “pinched
between control box and bottom cover when reinstalling
control
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Control Board Layout
J702
J711
J721 or J722 are door
wiring connectors located
on bottom of board
J703
J701
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Service LED:
This is a Control Status LED
on the main control board
Allows accurate diagnoses
Of UI and Main Control Boards
Blink Pattern
1x every 3 sec
2x every 3 sec
3x every 3 seconds
4x every 3 seconds
5x every 3 seconds
6x every 3 seconds
Flashing(1x per second)
Flashing Rapidly (4x per
second) or Steady On
Steady off
Meaning
Unit is not running a cycle. Select a cycle and press start.
Unit is in delay start and is waiting to start a cycle. The cycle will begin once the
delay expires.
Unit is in the process of running a cycle.
Unit is paused. Close the door and press the start key to resume the cycle.
Unit has completed a cycle and is end of cycle mode.
Control is in demo mode. Press Heated Dry and Start for 5 seconds to exit.
Communications Lost Between Control boards. Check connections, replace UI board
if necessary.
Software Error. Replace Machine Control Board
Unit is not powered. Check that power is available at unit.
Power supply failed. Check control voltages and replace machine control board.
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Unit Inoperative
Are there any LED’s lit on the UI Control
Yes
No
Is unit in Demo Mode?
(keys beep when pressed)
Is there 120 house supply volts to the unit?
Yes
No
No
Access main control and inspect Service LED
(See Service LED Chart for details)
Observed blink pattern look at chart in
mini-manual
Use Chart in mini-manual
to complete diagnoses
Check Home Breaker
Is Unit plugged in?
Is there a Wall Switch
No LED response,
replace main control
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UI Board
• Top Control Indicator LED on front panel, amber when
running, green when cycle complete.
• GDF510P only, has Logic programed in the Main Control
Board. All other models have Logic programed in the UI
Board
• Use Service LED on Main Control to aid diagnoses (see
Service LED table for details)
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Service/Replacement Control Instructions
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Fill System
Fill Hose
Fill Funnel
Fill Funnel Seal
Clamp
Flood Switch:
• located in the Sump
• Series Circuit with water valve,
when in flood condition it will
open the circuit to the valve
Water Valve:
• Located front left corner under the
tub
• 13.5 VDC, 32 ohms.83 GPM
• 1 minute solenoid activation time
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Correct Fill level
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Fill Complaints
Does Unit attempt to fill?
Place into Service Mode (fill time is 60 seconds)
No
Yes
Will not fill to proper level
Check for House Plumbing Fault
Check for debris (sand) in valve replace as needed
Check for kinked supply line
Check for 13.5 volts DC at Water Valve
Yes
No
Access main control, locate
connector J711, check resistance
from Harness pin 1 WR to pin 2 SX
32 Ohms?
Yes, replace Control
Replace Water Valve
No, check wiring, replace
Flood Switch if needed
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DC Voltage can be checked at the valve or at the main control
Board at connector J711 pin 1 WR – 2 SX
J711-1
J711-2
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Flood Switch Removal
To remove Flood switch:
Remove Fine Filter
Remove Vent Caps
Remove Coarse Filter
Remove Filter Adapter
Remove 2 ¼ inch hex head screws
Remove Floor Plate and Flood Switch
Disconnect wire harness
Filter Adapter
Flood Switch
Floor Plate
¼” hex screws
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Circulation System
Wash Pump will cycle during operation to allow proper Diverter
position. It is normal for the motor to run, stop for 1 second,
Restart, stop and pause for 5 - 8 seconds, restart and repeat this
algorithm throughout the cycle. Motor run times will change
depending on cycle
Spray Arms alternate from Lower Arm to Mid and Upper Arms.
This allow the system to use less water
Diverter directs water to either the Lower Spray Arm or both
Mid and Upper Spray Arms. Some models have options to select
Wash zones (upper or lower)
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Mid Spray Arm is twist lock to
remove. Turn counter clockwise
To remove
Lower Spray Arm is twist lock to
remove. Turn counter clockwise
To remove
Note: the Lower Spray Arm has Heat
Shields. Mid and Lower Arms can be
Reversed and cause wash complaints
Upper Spray Arm is held in place
With 2 tabs. Release one side
With A small screwdriver and
rotate to unhook the other side
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Main Conduit Removal
Remove Upper Spray Arm to access 1/4 “ hex head screw
which secures top of Main Conduit (immediately behind
Upper Spray Arm)
Remove 2 - ¼” hex head screws to remove Mid Docking Cone
Remove 4 ¼” hex head screws to remove Conduit Plate.
Pull up on plate then pull plate off the conduit, notice the
conduit seal (must be re-installed to ensure proper seal
and operation).
Conduit can now be removed by unhooking from the heater
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It’s all about filtration
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Filtration
Fine Filter
Coarse Filter
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Vent Caps
Air trapped under the Coarse Filter will escape through the
2 Vent Caps, allowing peak performance.
Vent Caps are Twist Lock, counter clockwise to remove,
clockwise to secure.
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Diverter Operation
Dishwasher in off or standby mode, no pump operation. Check
Ball at bottom of Diverter
Inlet
By-Pass in rear port or upper Spray Arm Conduit port
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Wash pump turns on and water flows to Lower Spray Arm, check
ball blocks rear port or upper Spray Arm Conduit. Low pressure
and low volume water bypasses check ball by the By-Pass
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Wash pump cycles off for 1 second, water that is in the rear
conduit, forces the check ball to the lower wash port.
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Wash Pump cycles on, check ball seals lower Spray Arm,
Water then flows to upper Spray Arms
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Wash pump cycles off for 5 - 8 seconds, water pressure in spray
arms equalizes, check ball is in bottom or home position. When
wash pump starts, the check ball again seals the rear port or
upper Spray Arms. Cycle repeats
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Sump Module removal
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•
•
•
•
•
•
•
•
•
•
Remove Power to Dishwasher
Remove Toe Kick
Remove door
Disconnect Drain Line, ¼” hex head worm gear clamp
Disconnect wire harness to Turbidity sensor (some models)
Disconnect wire harness to flood switch, this step can be done after
sump is pushed into tub if access is hindered.
Release 3 sump latches (rotate to stop point)
Push pump module up and into the tub
Remove Wash Pump and Drain Pump Shields
Remove wiring to Flood Switch, Wash Motor and Drain Pump
Remove wire to heat element to allow wire harness removal from sump
module
Note:
• Shields must be re-installed
• When reinstalling press sump in from top to seat and latch the sump
clips (do not use sump clips to seat the sump)
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Wire Harness Routing
RJ45/ACM
Door
AC Harness
Wash Motor
Drain Motor
Heater
TCO
DC Harness
Water Valve
Flood Switch
Turbidity
*Note harness routing between hoses and sump module
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Clamp Removal
TIP: Use a pocket style screwdriver. Insert the blade end
into the “ear” of the clamp and move the handle end
back and forth to remove the clamp tension
(loosen and remove the component, then remove clamp)
Clamp Kit part # WD35X10382 includes 6 clamps
needed for all repairs on the Sump Module
*Do not attempt to reuse the original pinch type clamps
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Wash / Circulation Pump
Circulation Pump: 120 VAC, .8 amp – 3.8 LRA, 8GPM @ 5PSI
Wash pump will cycle to allow proper Diverter operation, this allows for
peak performance (See Diverter operation)
Pump Removal:
Remove Door
Remove sump
Release tension on pump inlet clamp
Release tension on pump outlet clamp
Slide pump hanger from sump module
*Make sure both Wash and Drain pump shields are installed during re-assembly
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No Circulation
Enter Service Mode, Unit fills and drains OK.
Is wash motor operating?
No
Yes
Is water level correct
check for excessive soil in sump and fine filter, clean as
needed remove wash motor, inspect impeller, replace
wash motor if needed
Access main control, check for 120 volts AC at
connector J703 pin 2 YB – pin 3 CR
(wash motor cycles 30 S. off 1 S on 30 S off 8 S)
Yes
Check wire harness
Replace wash motor
No
Replace Main Control
J703-2
J703-2
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Diverter Removal
•
•
•
•
•
•
•
Remove Door
Remove Sump Module
Release tension on Diverter Inlet Clamp
Remove 3 - ¼” hex head screws
Pull up on diverter
Remove diverter from hose
Replace clamp
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Drain System
Hanger
High Drain Loop
Shield
Sump Module
Hose, Elbow
Drain Pump
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BR
BR
Drain Pump TCO
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Drain Water
Drain water will take 2 paths, both entering the drain pump.
• Some water will pass through the coarse filter and causing the Fine Filter to
rinse debris to the floor plate and into the drain pump
• Some water will pass directly down to the floor plate, washing debris into the
pump and out through the drain hose
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Drain System
Drain Pump: 120 Volts AC, 27 ohms, .65 amp
A drain complete drain cycle is approximately 2 minutes long. To ensure
proper operation, the drain pump will cycle on and off several times.
• The Drain Pump will pump to a maximum height of 72 inches (6’)
This is Normal Operation!
• Prevents air locks in drain system
• Allows soil settlement for optimum performance
Drain pump TCO
First units out will have a resettable TCO, next version will be one shot.
Third version will be to remove the TCO for a new design cover, possibly a
new drain pump. If the TCO is open (189 degrees on harness, the pump has
an internal thermal overload of 370 degrees), the pump and wire harness
should be replaced (the TCO is part of the harness).
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Drain Algorithm
Step1:
3 seconds on
Step2:
1.5 seconds off
Step3:
3 seconds on
Step4:
1.5 seconds off
Step5:
~ 15 seconds on
Step6:
Pause 20 seconds
Repeat steps 1-4
Step11:
~60 seconds to ensure fully drained
*This Algorithm prevents Air Locks in the drain system, allowing peak
performance. There is no way to change this NORMAL OPERATION.
*Partial Drain will only occur in Pre-Wash 4 during Normal and Auto (Heavy Soil),
Normal and Auto with Added Heat (any soil level) and finally in Heavy with or without
added heat. The cycle changes to include steps 1-5 only
(See Cycle Chart)
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To Remove Drain Pump:
•
•
•
•
•
•
Remove Door
Remove Sump Module
Remove Drain Pump Hanger
Loosen Clamp
Remove Drain Pump
replace clamp
*Make sure both Wash and Drain pump shields are installed during re-assembly
Diagnoses:
• Drain Pump may be started in Service Mode
• Voltage is easiest checked at the main Control
J703-2
26 Ohms
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Use & Care info on Noise
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Drain Flow Chart change
No Drain
Is Drain Pump running?
(Place unit in Service Mode)
Yes
Is Drain pump stalled?
No
Remove Fine Filter, check for debris, clean as needed
Check Hose Air Gap or disposal for clogs
Check for kinked Drain Hose
Remove Drain Pump, clean or replace if needed
Yes
No
Clean or replace Drain
Pump as needed
Access Main control, locate Connector J703.
Check resistance on Harness between
Pin 1 (BW) and Pin 2 (YB)
Replace Control
Yes
26 Ohms
Check Harness and Drain Pump
resistance and replace if open
Check Drain Pump TCO, it open?,
No
No
Replace harness and
drain pump
Yes
91 /
Copyright General Electric 2011
6/28/2012
Dry System
Heat and Air Circulation are required for Dry. Air circulation is natural
convection with air entering through the bottom of the door and exiting
through the vent.
92 /
Copyright General Electric 2011
6/28/2012
Dry System
93 /
Copyright General Electric 2011
6/28/2012
Dry System
Heater:
• 120 VAC,
• Dry Condition - 23.4 ohm dry, 5.125 amps
• Wet condition - 18 ohm & 6.7 amps
Tub TCO:
• Location is bottom of tub, right side approx. 12 inches from front
• 120 VAC, 210f +/- 10 Manual Reset
• If the TCO trips – reset and replace the main control
The Heater will cycle when heated dry is selected for the first 20
minutes of the heat cycle
J702-1
94 /
Copyright General Electric 2011
6/28/2012
Heater not working
Place unit into Error Code Mode, any errors?
No
Yes
Thermistor Error, Locate J711 Connector, check
for resistance on Harness Pin 6 AB – Pin 7 RB
(see mini-manual for specs)
Open Circuit? Check wiring
Replace Flood Sensor if reading is out of spec
Replace Control if Thermistor is in spec
Access main control, check Heater and Tub TCO.
Harness Connector J702 pin 1 WR – pin 2 VX
18-23.5 ohms
No
Yes
Try to reset TCO, recheck
OK? Replace as needed
Replace Main Control
Yes
Replace Main control
No
Check wiring,
Replace Heater
95 /
Copyright General Electric 2011
6/28/2012
Door Latch
Door Latch assembly located on the Tub at the top of the Dishwasher.
It is activated by a strike located on the door
Switches are 13.5 VDC
The switches activate or de-activate relays on the main control Board
Use Error Code Mode to check operation
96 /
Copyright General Electric 2011
6/28/2012
Door Switch Diagnoses
Diagnoses can be accomplished 2 ways:
1. Error Code Mode
Cycle
Select
Start
Press and hold 5 seconds
Door Status Check (test will last for 10 seconds)
LED’s Solid
Indicates door is closed
LED’s Flashing Indicates door is open
(Door may be opened and or closed during the test)
2. From the Main Control, resistance can be checked
from connector J711, Pins 3-4 & 3-5
(connector will vary per model)
97 /
Copyright General Electric 2011
6/28/2012
Servicing the Door Switch
• Remove Power to the dishwasher
• Remove from installation, 4-6 inches
• Remove 2 #2 Robertson screws from inside flange of tub
98 /
Copyright General Electric 2011
6/28/2012
Thermistor
Thermistor is located in the flood switch, Resistance can
be checked from the Main Control
Thermistor specs:
Resistance
Temperature
20K
11K
5.8K
3.4K
2.1K
1.3K
50
75
100
125
150
175
99 /
Copyright General Electric 2011
6/28/2012
Turbidity Sensor
Located on the side of the sump.
Operates same as today
Calibration is automatic every 100 cycles
After the last rinse but before dry, the control will add 3 extra
rinse cycles. The first will fill, circulate 2 minutes and drain. The second
will be a fill and drain. The third will be a fill, circulate and calibrate,
then a drain. The cycle will now advance to drain and complete the
cycle.
Replacement controls will enter a calibration as mentioned
above at the end of the 1st cycle the control finishes. If the first cycle is
interrupted and calibration does not occur, calibration will retry on the
next cycle, until it is completed. Calibration will not occur on demand
Note: If the turbidity sensor circuit fails to open or is shorted, the unit
will operate for the maximum amount of time, using the maximum
number of wash and rinse fills for the selected cycle.
100 /
Copyright General Electric 2011
6/28/2012
Turbidity Sensor Diagnoses and Repair
The most accurate way to verify operation is to place the dishwasher in
Error Mode to see if there are any errors stored in the last 5 cycle
history.
To Remove the Turbidity Sensor, empty water from the sump. Remove
the wire harness connector. The sensor is twist lock, turn counterclockwise to remove and clockwise to lock back in place
101 /
Copyright General Electric 2011
6/28/2012
Cycle Information
Auto Hot Start: Not included in Cycle Chart
• Initiated when water in the Sump is lower than 80 Degrees F
• The Dishwasher will fill, circulate and sense, then drain up to 3 times,
attempting to raise incoming water temperatures
Wash Zone Option – GDT550 has an option of washing upper or lower
Racks. This will shorten the time by 30% (will not alternate spray arms).
Water use will not change. The cycle will “pulse” the selected wash zone arm,
using the algorithm discussed in the diverter operation portion of this
training presentation. If a consumer has a complaint of poor clean, make sure
this option is not selected.
Rinse Only Cycle is an 18 minute cycle with 3 Fill, Circulate and Drain
segments
*Highlighted cells on next page denote Turbidity Sensor use. The sensor will
remove time when needed from a cycle
102 /
Copyright General Electric 2011
6/28/2012
Maximum Cycle Times for Plastic Tub
72
129
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
92
149
107
164
103
127
184
160
118
175
138
195
Light
All Zones
Normal
Sensor
117
174
132
189
118
152
209
175
133
190
153
210
Speed
No options
Heated Dry
Wash Temp Boost
Wash Temp Sani
Steam
Heated Dry + Wash Temp Boost
Heated Dry + Wash Temp Sani
Heated Dry + Steam
Wash Temp Boost + Steam
Wash Temp Sani + Steam
Heated Dry + Wash Temp Boost + Steam
Heated Dry + Wash Temp Sani + Steam
66
123
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
50
107
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
GDT550 1 Wash Zone
Selected
85
142
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Normal
Fixed
76
133
124
NA
114
144
NA
161
125
NA
145
NA
Eco
No options
Heated Dry
Wash Temp Boost
Wash Temp Sani
Steam
Heated Dry + Wash Temp Boost
Heated Dry + Wash Temp Sani
Heated Dry + Steam
Wash Temp Boost + Steam
Wash Temp Sani + Steam
Heated Dry + Wash Temp Boost + Steam
Heated Dry + Wash Temp Sani + Steam
61
118
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
43
100
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Auto
Heavy
127
184
132
189
128
152
209
185
133
190
153
210
139
196
149
206
138
169
226
195
143
200
163
220
97
154
107
164
108
127
184
165
118
175
138
195
104
161
114
171
113
134
191
170
118
175
138
195
103 /
Copyright General Electric 2011
6/28/2012
Cycle Notes and explanations:
AH – Added Heat
USA – Upper Spray Arms
LSA – Lower Spray Arm
Sec _ Seconds
Min – Minute(s)
Sani is an option, not a cycle. It can be selected in Normal
with Added Heat, Auto with Added Heat, Heavy and Heavy
with Added Heat only
• Sani Option will raise the Max temp to 155
• Sani Option can add up to 60 minutes to cycle time
• Steam is an added heat Option
•
•
•
•
•
•
104 /
Copyright General Electric 2011
6/28/2012
Cycle Algorithm Comparisons
Segment
Zonal
Descripti
Diverter
User
on
Primitive Position Over-ride
Pre Wash
1
Pre Wash
2
Pre Wash
3
Pre Wash
4
Pre Wash
5
Main
Wash
Post
Rinse 1
Sani Rinse
Post
Rinse 2
Final
Rinse
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
Fill (sec)
Circ (min)
Drain
ECO
Speed
Light
Normal Normal
Fixed Light Soil
Normal
Heavy
Soil
Calrod
USA with
pulsing
No
OFF
NA
NA
NA
60
5
Full
60
5
Full
LSA with
Pulsing
No
OFF
NA
NA
NA
NA
NA
60LSA/
60USA
No
OFF
NA
NA
60
10
Full
60
5
Partial
NA
OFF
60
10
Partial
NA
NA
NA
ON
NA
NA
NA
NA
ON
30
35
Full
0
NA
0
60
5
0
60
20
Full
60
5
0
60
40
Full
30
35
Full
60
40
Full
NA
NA
NA
NA
NA
NA
NA
60
10
Full
60
15
Full
60
5
Full
60
15
Full
60
5
Full
60
15
Full
60
5
Full
60
15
Full
60LSA/
60USA
60LSA/
60USA
180LSA/
180USA
Yes
Shorten
~30%
Yes
Shorten
~30%
Yes
Shorten
~30%
180LSA/
180USA
No on
Norm/auto;
Yes on CU or
Heavy
Off
NA
USA
No
ON
NA
NA
180LSA/
180USA
No
OFF
NA
NA
60LSA/
120USA
No
ON
60
15
Full
60
10
Full
60
5
Full
60
5.5
Full
NA
60
8
Partial
30
15
Full
60
40
Full
60
5
0
Normal+
AH
Auto +AH
Auto
light
Auto
Heavy
60
5
Full
60
5.5
Full
60
5
Full
60
8
Partial
30
15
Full
60
45
Full
60
15
0
60
5
0
60
5
Full
60
5
Full
60
5.5
Full
NA
60
15
Full
NA
60
5
Full
NA
60
45
Full
60
10
0
60
8
Partial
30
15
Full
60
45
Full
60
10
0
NA
NA
60
5
Full
60
15
Full
60
5
Full
60
15
Full
NA
NA
Heavy *
60
5
Full
60
5.5
Full
60
5
Full
60
8
0
60
15
Full
60
45
Full
60
15
0
60
5
0
NA
60
20
Full
105 /
Copyright General Electric 2011
6/28/2012
Heater Algorithm, Dry Cycle
No Wash Boost selected
Time (minutes)
4
39
14
57
Calrod description
On
Pulses 105 seconds off/ 75 seconds on
Off (cooldown)
Total Heated Dry Time
Wash Boost selected (either Sani or Temp Boost)
Time (minutes)
2
12
6
20
Calrod description
On
Pulses 60 seconds off/ 60 seconds on
Off (cooldown)
Total Heated Dry Time
106 /
Copyright General Electric 2011
6/28/2012
Cycle Information
Heat Limits:
Max Temp Limits
Eco
Light
Speed
Normal
Auto
Heavy
Heavy+AH
PW5
NA
NA
120
120
120
125
125
MW
120
125
130
130
130
130
135
PR1
NA
NA
130
NA
NA
130
135
FR
125
130
140
140
140
145
145
107 /
Copyright General Electric 2011
6/28/2012
GDF510
108 /
Copyright General Electric 2011
6/28/2012
GDF520 - GDT540
109 /
Copyright General Electric 2011
6/28/2012
GDT530 & GDT550
110 /
Copyright General Electric 2011
6/28/2012
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