GE Consumer & Industrial GLDA690 How to use

GE Consumer & Industrial
Technical Service Guide
June 2006
GE Built-ln
Dishwasher
GE Appliances
General ElectricCompany
Louisville,Kentucky 40225

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
connectionwith 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.
RECONNECTALL 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
returnedtotheir original position and properly fastened.
GE Consumer & Industrial
TechnicalService Guide
Copyright
O 2006
All rights reserved.This service guide may not be reproduced in whole or in part
in any form without written permissionfrom theGeneral Electric Company.

Table of Contents
Bottom Door Seal ............................................................................................................................................................. 19
Component LocatorViews
.......................................................................................................................................... 8
Control Assembly
.............................................................................................................................................................. 12
Control Features
............................................................................................................................................................... 6
Control Panel
...................................................................................................................................................................... 11
~etergent/RinseModule ................................................................................................................................................ 16
Diagnostics andService Information
...................................................................................................................... 28
Dishwasher Components
.............................................................................................................................................. 11
Door Assembly ................................................................................................................................................................ 17
...........................................................................................................................
Door Latch and ReleaseAssembly 13
Door Panel
............................................................................................................................................................................ 11
Door Switch Assembly ................................................................................................................................................... 15
Drain PumpAssembly
.................................................................................................................................................... 24
Fill Funnel
............................................................................................................................................................................. 21
Heating Element
................................................................................................................................................................ 19
Introduction
........................................................................................................................................................................ 5
Nomenclature ................................................................................................................................................................... 4
PressureSwitch
................................................................................................................................................................. 23
Schematics andWiring Diagrams
............................................................................................................................ 30
Service Test Mode ............................................................................................................................................................. 28
Specifications
..................................................................................................................................................................... 28
Static Dry System
............................................................................................................................................................. 12
Sump Assembly
................................................................................................................................................................. 27
Thermistor
............................................................................................................................................................................ 26
............................................................................................................................................................... Troubleshooting 29
Tub Seal
................................................................................................................................................................................ 18
Warranty
.............................................................................................................................................................................. 31
Wash Pump Assembly
.................................................................................................................................................. 25
Water InletValve
.............................................................................................................................................................. 22

Model Number
ProductType
GLD = GE longdoor
ADA Compliant
Platform
4-6 = GE tall tub
Feature Pack 2
The nomenclature plate is located on
the leftside ofthetubwall, inside the
doorjamb.
The mini-manual
is locatedina
plastic bagtaped behind thetoe
kick.
Exterior Color
BB = Black
CC
= Bisque
SS = Stainless Steel
WW = White
L Model Year Designator
- Door
0 = Color door
6 = Stainless door
Serial Number
Thefirsttwo characters of theserial number
identify the month and year of manufacture.
Example:
AL123456S =January, 2006
+-l
A - JAN
2006 - L
D - FEB
2005 - H
F - MAR
zoo4 - G
The letter designating
G - APR 2003
- F
the year repeats every
H - MAY 2002
- D
12 years.
L-JUN 2001 - A
M - JUL
- Example:
R - AUG
S - SEP
T - OCT
V - NOV
Z - DEC 1995 - M -

NIET
and Bitun

Throughoutthis manual,features and appearance may vary from your model.
Control Settings
Wash Cycles
POTS & PANS
For heavily soiled dishes or cookware with dried-on or baked-on soils. Everydaydishes may
be included. This cycle will not remove burned-on foods.
NORMALWASH For loads of everyday dishes, glasses and cookware with medium soils. NOTE: Manydishes
have lighter soil than normal. Choosing a cycle other than
NORMALWASH will save
energy and water.
LIGHTWASH For dishes with light soils.
RINSEONLY For rinsing partial loads that will be washed later. DONOT use detergent a
HEATED DRY OPTION.
Options
HEATEDDRY ON Tums the heatingelement on for fast dring.This optionwill extendthe time of your wash cycle.
HEATED DRY OFF Turns
HEATED DRY ON Off. Dishesair dry naturally and energy is saved.
HOTWASH Turns
HOTWASH ON Off. Wash temperature will be a little higher.
HOT START T~~~
HOT START ON Off. Wash time will be a little longer,and initial wash temperature
will be higher
DELAY HOURS
You can select 2,4 or 8 hours later to start dishwasher

About the dishwasher control panel.
Cycle Sequence
Water Time
Cycles (approx.) (approx.) Cycle Sequence
POTS&PANS 7.4gal. 85 rnin. Rinse Rinse Rinse Rinse Rinse Wash Rinse Rinse
NORMALWASH 5.3 gal. 56 rnin. Rinse Rinse Rinse Wash Rinse Rinse
LIGHT WASH 4.2 gal. 33 rnin. Rinse Rinse Wash Rinse Rinse
RINSE ONLY 2.1 gal. 7 rnin. Rinse Rinse
I Drvina O~tions
p-
HEATED DRY ON
Adds approximately 38 minutes to the cycle.
(Not available on the RINSE ONLY cycle.)
HEATED WASH Options
HEATED WASH ON
HEATED START Options
HEATED START ON
Adds approximately 15 minutes to the main wash cycle. Energizes heater during
mainwash cycle.
(Not available on the RINSE ONLY cycle.)
Adds approximately
22 minutes to the cycle by adding 2 pre-rinses. The first is a
normal pre-rinse to purge the water supply lines. The second pre-rinse lasts
15
minutes with the heater energized to heat the tub and dishware. (Not available on
the RINSE ONLY cvcle.)

Front View
Control PanelView
Control Assembly
(Continuednext page)
- 8 -

Interior View (WithRacks)
DetergentIRinse Module Compartment View
,
RinseAgent Outlet
L* '
k.\ Sight Glass 1
-7
(Continuednext page)
-
-

InteriorView of Basin (With Racks Removed) RightSide View (Insulation Removed)
Bottom View (Looking
Up)

Door Panel Control Panel
The door panel coversthe door tothe dishwasher
To remove the control panel:
and must be removedto access the control panel,
detergentlrinse module, bottom door seal,and
1. Removethe door panel.(See Door Panel.)
heatingelement.
2. Turn the static dry vent cover counterclockwise
To removethe door panel,remove
6 Phillips-head and remove it.
screws,then lower the door panelfrom the control
panel.
-.
3. Removethe SIX %-In.long Phillips-head screws
-7
thatattach the control panel to the door
assembly.
4. Disconnectthe 3 wire harnessesfrom the
control module.

-
Static DrySystem
The static dry system operates through a vent
located inthe control panel. The vent allows hotair
toexit the dishwashertub and gradually remove
moisture.
To removethe vent itwill be necessaryto accessthe
control panel.(See
Control Panel steps 1 through 3.)
The vent is pressedin place over an anchor pinand
positioned in the vent outlet recess located on the
insideof the control panel.
Note:
Inspectthe cover for hardwaterllime deposits
or debris andclean if necessary.
Ifthe control panel gasket shows obvious signs
of wear or damage, replacethe gasket.
Ifthe vent cover 0-Ring shows obvious signs of
wear or damage, replacethe static dry vent.
Control Assembly
The control assembly consistsof the control circuit
board,control module,and modulecover.
To removethe control assembly:
1. Removethe static dry vent cover.(See Static Dry
System.)
2. Removethe 12 Phillips-headscrews that attach
the control circuit board tothe control panel.
3. Removethe 2 Phillips-head screwsthat holdthe
control module covertothe control panel.
(Continuednext page)

4. Removethe 6 Philliips-headscrews from the
control module.
5. Releasethe 2 top tabs and removethe control
module from the bottom
3 retainers.
I Tabs I
Retainers I
Note: Wiring harness on the control assembly does
notdisconnect. Control assembly must be replaced
as a unit.
6. Removethe control circuit board,control
module,andcontrol module cover.
Door Latch and ReleaseAssembly
The door latch is permanently mountedto the top
of the dishwasher and is not replaceable.When
the door is inthe closed position,the door latch
has dropped into place infront of the door switch
housingassembly and has pressedthe switch
plunger down. This action holdsthe door firmly
against theseal,and the normally open contacts of
the door switches are closed.
The door releaseassembly is located on the inside
of the control panel.When the release handle is
pressedupward,it raisesthe door latchto clear the
front of the door switch housingassembly, releasing
the door.
To removethe door releaseassembly itwill be
necessaryto accessthe control panel.(See
Control
Panel
steps 1 through 3.1 The door release is heldto
the control panelwith
2 Phillips-headscrews.
Caution: The door latch assembly may come apart.
Use careto assure the latch spring is not lost during
removal,handling,or installation.
To reassembleand reinstall the door latch
assembly:
1. Slide the latchspring onto the latch-block hinge
pin and hookthe spring into the hole inthe latch
block.
(Continuednextpage)
-13-

2. Snap the latch block intothe latch bracket
makingsure the spring arm rests inthe channel
inthe latch bracket.
Channel, h
I I 'Latch Block
3. Rotatethe latch blockto compressthe spring.
4. Withthe raisedcenter bar of the latch handle
toward the latch block, insert the latch handle
hinge pinsinto the holes inthe latch bracket.
5. Insertthis latch assembly, including the handle,
intothe escutcheon cutout with the latch handle
side toward the bottom of the escutcheon.
6. Assure that the top rib of the handle is tucked
under the top edgeof the cutout and attach the
assembly with
2 Phillips-headscrews.
-op Rib

Door Switch Assembly
The door switch assembly consistsof 2 switches
activated by aspring loaded plunger.One door
switch connects or disconnectsthe Line (hot)side of
120 VAC. The other switch connects or disconnects
the Neutral side of
120 VAC. When the door is in
the closed position,the door latch hasdropped into
place in front of the door switch assembly and has
pressedthe switch plunger down.This action holds
the door firmly againstthe seal,andthe normally
open contacts ofthe door switches are closed.
Caution: When removing the plunger,thespring is
notsecuredandwill pop off.To secure, place your
handover the spring when removing the plunger.
4. Removethe plunger andthe spring.
To removethe door switch assembly:
1. Removethe control panel.(See ControlPanel.)
2.
Removethe 2 Phillips-headscrewsthat holdthe
door switch assembly tothe top of the door.
3. Usinga small flat-blade screwdriver,liftthe door
switch cover atthe
2 tabs on each side,the 2
inner tabs, andthe bottom tab.
5. Lift up the interlock switches to remove.These
switches are replaceable (Part
# WD21X10224).
Note:
Upon reassembly,ensure that the notched side
of the plunger is placed towards the plunger
guide inthe switch housing.
Ensurethatthe bottom of the spring is
positioned on top of the bottom guide,andthat
the plunger slides freely.

DetergentIRinse Module
The control panel must be removed to accessthe
detergentlrinse module.(See
Control Panel.)
When deactivated,the leverreturns downthe left-
hand pathand comesto rest under the notch(21in
the center of the connecting rod.
The detergentlrinse module is connected by 2wires
and held in place by 6 Phillipsheadscrews and 2
brackets.
The detergentlrinse moduleoperates on 120VAC
and hasan approximate resistancevalue of 2.6K
R.
At the secondactivation, the lever lifts the
connecting rod by the notch.This action lifts the
rinsedispenser plunger
(3) and releasesthe rinse
agent.When deactivated, the lever returns to its
original starting position.
The detergentlrinse module automatically
dispenses boththe detergent andthe rinseagent
-.-'
atthe appropriate times.The module is activated 2
times during awash cycle. Detergent is dispensed
atthe beginning ofthe mainwash cycle and rinse
agent atthe beginning ofthe final rinse.
Operation of the detergentlrinse module can be
W'
checkedby usingthe servicetest mode.(See service
Test Mode.)
The first time the module is activated, the lever
slides upthe rlght-hand pathofthe connecting rod
2. - -.
(1) This actlon releasesthe detergent cover.
- -- --
Note: Makesure the rubber seal is retained inthe
recessedgroove before reinstalling the module to
the door assembly.

---
Door Assembly
To removethe door assembly:
1. Disconnectpower.
2. Partially removethe dishwasher from its
installationto accessthe door springs.
3. Removethe control panel.(See Control Panel.)
4. Removethe detergentlrinse module.(See
Detergent/Rinse Module.)
5. Removethe door latchassembly.(See Door
Latch Assembly.)
6. Removethethermistor wires from thetape
attached tothe door panel.
Note: The following describesthe procedureto
removethe rightside of the door assembly from the
hinge assembly.The procedureto removethe left
side is identical.
8. Markthe position of the spring bolt key inthe
mounting bracket with afelt-tip marker.
7. Removethe 8-mm nut, Phillips-headscrew,
andgroundwire from the right side door hinge
assembly.
Caution: When one or both ofthe door springs are
disconnected,the door may fall tothefloor. Care
must betaken to prevent damage to the door.
9. Pull the spring andspring bolt key from the
mounting bracket.
10. Removethe bottom ofthespring loop from the
hingearmstud.
yy-""
- r
- (Continuednext page)

11. Openthe dishwasher door approximately 30
degrees.
Tub Seal
The dishwashertub seal preventswater leakage.
l2 Liftthe bottom hinge arm UP from the bottom
She sealisfitted in a seal &anne, that linesthe rim
hinge,far enough to exposethe hook. of the dishwashertub.
Hinge Arm
1 -
I Bottom Hinge I
13. Position hinge arm assembly to hangfreely as
shown.
To removethetub seal:
1. Openthe dishwasher door.
2. Graspone end of the dishwashertub seal and
peel itaway from the seal channel.
14. Repeatsteps 8through 13 onthe leftside of the
door panel.
15. Removethe remainingthree 8-mm nuts and
Phillips-head screws that holdthe door panel to
the hinge assembly.
3. Reversethe above procedureto install.
Note: When installing the tub seal,make sure itis
seated properly in the seal channel. Run your finger
overthe seal to make sure itis smooth and evenfor
a proper seal.
A correctly installed gasket will have
bothends of the gasket equidistantfrom the bottom
of the tub.

Bottom Door Seal Heating Element
The bottom door seal preventswater leakage.
The seal is fitted in a pinched metal groove atthe
bottomofthe dishwasher door.
WARNING: The pinched metal groove is sharp.
Wear Kevlargloves when removing or installing the
bottom door seal. Failuretocomply may result in
personal injury.
It is necessaryto removethe door assembly to
accessthe bottom door seal. (See
Door Assembly.)
The seal is pulled outfrom the pinched metal
groove.
The heating element maintainswater temperature
duringthewash and rinsecycles and heats the air
duringthe static dry cycle.
The heater has an approximate resistancevalue of
21.2 R.
Operation of the heating element can be checked
by usingthe servicetest mode.(See
Service Test
Mode.)
Allow one or two minutes before opening the
dishwasher door and note if heat is present.
To removethe heating element:
1. Removethe door panel.(See Door Panel.)
2. Removethe bottom rack.
3. Removethe 2 Phillipshead screws,washers,
andthe access panel.
5. Removethe 2 Phillips-headscrews and lower
To install the bottom door seal itwill be necessary thejunction boxfrom thefront brace.
toopen the pinched metal groove. Make surethe
seal is seated properly in the metal groove before
pinching closed.Run your finger overthe groove to
make sure it is smooth and even for a proper seal.
ITr---
4. Removethe 2 Phillips-headscrews and lower
(Continuednext
page)
-19-
Pinched Metal Groove
the water valve from thefront brace.

6. Removethe 6 Phillips-headscrews andthe front
10. Removethe inner 8 mmnut,washer,and spacer
bracefrom the dishwasher. that attaches the element to the bottom of the
tub.
7. Locatethe wires leading to the heating element
terminals and pull downthe
2 nylon terminal
covers.
8. Disconnectthe 2 wires from the heating
element.
11. Liftthe rightside of the element and release it
from the
2 retainers.
9. Removethe outer 8 mm nutthat attaches the
ground wire to the element mountingbolt.