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GE DDT595SxJ0 Series Technical Service Manual

Stainless steel tub dishwasher
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GE Appliances
Technical Service Guide
April 2016
2016 Stainless Steel Tub Dishwasher
DDT595SxJ0xx
GDF570SxJ0xx
GDF650SxJ0xx
GDT655SxJ0xx
GDT695SxJ0xx
GE Appliances
Louisville, Kentucky 40225
31-9253

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Table of Contents
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  Summary of Contents for GE DDT595SxJ0 Series

  • Page 1 GE Appliances Technical Service Guide April 2016 2016 Stainless Steel Tub Dishwasher DDT595SxJ0xx GDF570SxJ0xx GDF650SxJ0xx GDT655SxJ0xx GDT695SxJ0xx 31-9253 GE Appliances Louisville, Kentucky 40225...
  • Page 2: Safety Information

    GE Appliances Technical Service Guide Copyright © 2016 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from GE Appliances. – 2 –...
  • Page 3: Table Of Contents

    Table of Contents Safety Information ..................................2 Table of Contents ..................................... 3 Safety Requirements ..................................6 Nomenclature ....................................7 Model Number ..................................7 Introduction ....................................... 8 ................................. 8 ................................9 Tools Needed ..................................... 9 Operation and Cycle Information ............................10 Troubleshooting ....................................
  • Page 4 Front Control Console ................................. 31 Front Control UI, Light Pipe and Buttons ......................32 Pocket Handle (Front Control Only) ........................32 Top Control Panel, UI, Light Pipe and Buttons ......................32 Top Control Console Cover ............................34 Outer Door Panel................................... 34 Hinges ......................................
  • Page 5 No Circulation Flow Chart ..............................55 Circulation Motor and Pump Assembly ........................57 Diverter ...................................... 57 Turbidity Sensor and Thermistor ........................... 59 Thermistor ....................................60 Conduits and Spray Arms ..............................61 Main Conduit ................................... 62 Spray Arms ....................................62 Middle Conduit ..................................63 Bottle Wash System (some models) ..........................
  • Page 6: Safety Requirements

    Safety Requirements GE Factory Service Employees are required to use safety glasses with side shields, safety gloves and steel toe shoes for all repairs. Electrically Rated Glove and Steel Toed Work Boot Dyneema®Cut Resistant Dyneema® Cut Resistant Glove Glove Keeper...
  • Page 7: Nomenclature

    Nomenclature Model Number The nomenclature breaks down and explains what the letters and numbers mean in the model number. Serial Number designating the year repeats every 12 years. Example: GG123456S = April, 2016 Model and Serial Tag A – JAN 2024 –...
  • Page 8: Introduction

    Introduction GE's most advanced wash system delivers 65% more cleaning power to each rack Enhanced performance ensures items are thoroughly washed and table-ready Diverter allows for alternating spray arms using less water New hinge allows easier door removal 3 Level Wash System: Lower Spray Arm and Mid Spray Arm with new Upper Spray System...
  • Page 9: Tools Needed

    AC Voltage DC Voltage Circulation Pump: 120 VAC, .8 amp – 3.8 LRA Door Switch: 13.5 VDC (locked rotor amps), 8GPM @ 5PSI Water Valve: 13.5 VDC, 32 ohms, .83 GPM, ~1 Drain Pump: 120 VAC, 27 ohms, .65 amp, ~70 minute cycle time second cycle UI Control: 13.5 VDC (some models have 13.5...
  • Page 10: Operation And Cycle Information

    Operation and Cycle Information This section of the guide provides details on segments of cycles, timing of cycles, temperature expectations, and cycling of the heater during the dry portion of a cycle. Auto Hot Start If the incoming water temperature is below 80°F, Auto Hot Start is initiated at the beginning of the cycle in an attempt to purge the home water lines of cooler water.
  • Page 11 Minimum and Maximum Times NOTES: The previous chart has maximum segment parameters listed. The control will bypass some rinse cycles if the turbidity sensor detects lower soil than the selected cycle maximum parameter and temperature targets are met. Selecting the Wash Temp option(s) will add 5 minutes to Pre-Wash 4 (PW4) and Post-Rinse 1 (PR1). This extra time is used to heat water.
  • Page 12 Target / Max Temperature Limits Cycle Rinse Light Normal Auto Heavy Heavy +AH Heated Dry Element Algorithm 4 Pass Heater Algorithm, Dry Cycle Normal with Heated Dry Time (minutes) Calrod Description Calrod on Normal with Temp Boost or Sani Selected Calrod on –...
  • Page 13: Troubleshooting

    Troubleshooting This troubleshooting section is an overview of the diagnostic capabilities of the electronic control. The control features allow retrieval of error codes, operation of loads in service mode and further diagnostics of the electronic controls with the use of the Service LED on the main control board. Details on Consumer Error Mode and Service Mode, as well as Service LED are located in the Electronic Control section of this guide.
  • Page 14: Component Locator Views

    Component Locator Views Appearances may vary throughout this service guide. Some models do not have all features shown or may Front Control Latch Assembly Front Console Vent Indicator LED's Buttons Pocket Handle Outer Door Panel Top Control Buttons Top Control Console Status LED Handle Outer Door Panel...
  • Page 15 Toe Kick Area Junction Box Control Box Water Valve Sump Drip Pan Insulation Toe Kick Panel Toe Kick Screws Side Tub Trim Third Rack Mounting Hardware High Drain Loop Hose Fill Hose Fill Funnel Hinge Arm Balance Cable Balance Roller Balance Spring (Continued next page) –...
  • Page 16 Back Floor Protect Pan High Drain Loop Heater Mounting Nuts Bottom Floor Protection Pan Junction Box Main Control Box Level Leg Sump Water Valve Fill Hose High Drain Loop Hose Tub TCO Heater Mounting Nuts (Continued next page) – 16 –...
  • Page 17 Sump (Top) Vent Caps Ultra-Fine Filter Fine Filter Sump Gasket Diverter Flood Float Sump Flood Switch Sump (Bottom) Sump Turbidity Sensor Sump Latch Cam Sump Latch Cam Flood Switch Circulation Pump Diverter Drain Pump Sump Latch Cam (Continued next page) –...
  • Page 18 Inside Tub Trim Third Rack Upper Rack Main Conduit Silverware Basket Lower Rack Detergent Module Door Strike – 18 –...
  • Page 19: Tub And Structure

    The wiper edge must contact the cabinet Ground Screws Toe Kick Trim if needed WARNING: GE Factory Service Technicians are REQUIRED to follow Lockout / Tagout (LOTO) 6 Insulation Step Process prior to beginning repair. Junction Box...
  • Page 20: Leveling Legs

    Leveling Legs Door Springs and Cables There are four leveling legs located on the base rails The spring is adjustable as it attaches to the rear of of the dishwasher. the leg base assembly. There are two holes in the leg and factory setting on a support screw.
  • Page 21: Tub Gasket

    Tub Gasket To Remove Tub Gasket: Pull the gasket from the retainer area. Tub Gasket Tub Gasket Installation 1. The center of the gasket has a mark which is placed pointing to the inside of the dishwasher. This position will orient the gasket wiper to face the inside of the dishwasher and to the inner door.
  • Page 22: Latch System

    4. Continue to push the gasket into the track to the To Replace the Door Latch / Switch Assembly bottom of the tub and extending the gasket 2 1. Remove power to the dishwasher. inches to the center of the tub. 2.
  • Page 23: Racks

    Racks Tub Rollers Upper Rack The tub rollers are attached to the tub with a screw in each roller. depending on the model: Wheels on Rails or Full To Remove the Tub Rollers Extension Rails. 1. Remove the upper rail by removing the rear end Wheels on Rails cap.
  • Page 24 Full Extension Rails Pull out 1/2 in. and slide the rail toward the front of the rack, releasing the rail from the rear tab. To remove the upper rack and full extension rails: 1. Extend to the full outward position. 2.
  • Page 25: Lower Rack

    Bottle Wash Components (some models) Lower Rack To remove the bottle wash components, remove the cover by releasing the clip at the bottom and slide the cover to the right. details on the lower racks. The lower rack roller assemblies consist of brackets, rollers, and covers (left or right, two per side) as well as rollers (four per side).
  • Page 26: Silverware Baskets

    Third Rack (some models) The third rack is designed to place silverware, cutlery and other utensils at the top of the part numbers and are marked L or R (left or right) on Left Side dishwasher for easier access. the inside to insure proper installation. To Remove the Basket and Frame as an Assembly: 1.
  • Page 27 Third Rack Brackets To remove the brackets the dishwasher must be removed from installation. 1. Remove the basket and the frame. 2. Remove two 1/4 in. hex head screws. 1/4" hex head screws 3. Remove the two mounting nuts. Mounting nuts 4.
  • Page 28: Door

    7. Slide the cable down and away from the dishwasher. Do not release tension from the cable. WARNING: GE Factory Service Technicians are REQUIRED to follow Lockout / Tagout (LOTO) 6 Step Process prior to beginning repair. (Continued next page)
  • Page 29 8. Slide the cable into the cable clip to prevent the 10. Standing in front of the dishwasher, open the spring from disconnecting from the cable. door a few inches, then lift the door and hinge CAUTION: If the cable is released, the spring and cable may become disconnected.
  • Page 30: Inner Door Vent Cover

    Inner Door Vent Cover 4. Remove four T-25 Torx screws (two each side) that secure the inner door to the hinge The inner door vent cover must be removed on assemblies. model GDF570SxJ to allow the front control console to be removed from the inner door. Insert two then turn counter clockwise to remove.
  • Page 31: Front Control Console

    To Reassemble the Door: Front Control Console Removal 1. Place the outer panel face down on a protected 1. Remove the door and separate the inner and surface. outer door panels. 2. Place the inner door face up, and position six 2.
  • Page 32: Front Control Ui, Light Pipe And Buttons

    Pocket Handle (Front Control Only) Front Control UI, Light Pipe and Buttons Light Pipe Vent Conduit The front control console must be removed and separated to access the UI, light pipe and buttons. The pocket handle is attached to the inner door panel.
  • Page 33 Access the UI, Control Covers, Buttons and Light Pipe release the remaining tabs (four each side). 1. Remove and separate the door. 2. Remove four 1/4 in. hex head screws. 3. The control and bottom cover will drop down from the control panel. 7.
  • Page 34: Top Control Console Cover

    Outer Door Panel Top Control Console Cover Top Control Console Cover Removal Components 1. Remove and separate the door. 2. Remove the bottom cover, UI, light pipe and buttons. Lens Handle 3. Remove the top console and cover as an Handle Screws assembly.
  • Page 35: Inner Door Panel

    Inner Door Panel Door Strike SS Door Attach Strips Attachment strips are used to help secure the inner and outer door panels. Console Side Attach Strip Side Attach With the UI and Console (pocket handle on front Screws (T15 Torx) Strip control models) removed, there is clear access to the 1/4 in.
  • Page 36: Vent Parts

    Vent Parts Power Dry System Removal 1. Remove the inner door vent cover. Front Control Model (GDF570SxJxx only) Model GDF570SxJ has a passive vent through the 2. Disconnect the wire harness from the fan to the Control Panel. All other models have a Power Dry UI control.
  • Page 37: Detergent Dispenser

    Detergent Dispenser Detergent Module Removal 1. Remove power to the dishwasher. 2. Remove and separate the door. 3. Remove the EPS cover. The double backed tape is used to secure and is reusable. When reinstalling the EPS cover, the UP indicator must be toward the top of the door.
  • Page 38: Floor Protect Pan

    Floor Protect Pan Rinse Aid Sensor This sensor works the same as a turbidity sensor, ~ 1 VDC is sent to an LED inside the rinse tank, the of the 2016 Stainless Steel Tub Dishwashers. This “photo sensor” sends a signal back to the control. feature will hold 24 ounces of water on a level .5 - 2 VDC signal indicates a level below 20 ML.
  • Page 39 When installed correctly, the Floor Protect Pan is Floor Protect Pan Installation grounded through the dishwasher structure. If it 1. Slide the pan under the dishwasher until the is not installed correctly, disconnect power before mounting tabs are close to engaging. servicing the dishwasher.
  • Page 40: Sump Module

    8. Loosen the high drain loop hose clamp (1/4 in. Sump Module hex head) and remove the hose from the drain The sump module is front serviceable with the pump (there will be a small amount of water in dishwasher remaining in the installed location. This the sump, pump and hose).
  • Page 41 The sump latches below are shown in the release 13. Disconnect the circulation pump wiring, drain position. Each latch has a stop point built in. Turn the latches to a stop point when unlatching and latching. Flood Switch Drain Pump Circulation Pump 14.
  • Page 42: Sump Gasket

    Sump Gasket down on the sump module. Stressing or softening the gasket ribs (see below) will make a new gasket seat easier. Lubricating with a small amount of rinse agent or water will also ease installation. 4. Latch the three sump latch cams. The latch cams must not be used to pull the sump module into place.
  • Page 43: Electronic Controls

    Heated Wash Minimum wash control of GE Dishwashers. This device is designed Temperature temperature of 120°F to trip if current leakage to ground is above 20mA Error was not reached in ±...
  • Page 44: Service Mode

    CSM to trip. The control will blink the Normal LED (light on model GDF510PxJxx) every few WARNING: GE Factory Service Technicians are seconds for the number of times corresponding to REQUIRED to follow Lockout / Tagout (LOTO) 6 the load being tested.
  • Page 45: Main Control Diagnostics

    Main Control Diagnostics Diagnostics are aided with the addition of a green Service LED on the machine control board that indicates the status of the control board. To view the LED, disconnect power and place the main control in the service position (see the To Access Main Control Board section), then repower the dishwasher to view the Service LED.
  • Page 46: On The Main Control Board Csm

    On the Main Control Board CSM A CSM is a protective device that is part of GE Dishwashers and located on the main control board. This device is designed to trip if current leakage to ground is above 20mA ± 5mA is detected. The CSM functions similar to commercially available GFCIs, if tripped the dishwasher is non-responsive.
  • Page 47 1 2 3 3. Earth / Ground RJ45 Connector WARNING: GE Factory Service Technicians are 9. Use care when reinstalling the main control REQUIRED to follow Lockout / Tagout (LOTO) 6 board to prevent wire pinching. Make sure the Step Process prior to beginning repair.
  • Page 48: Ui Diagnostics

    UI Diagnostics Attempt to enter Consumer Error Mode. If LED’s light, the CSM is tripped. Consult On the Main No display or LED’s will light. Control Board CSM section of this service guide to diagnose and repair. Check for 120 VAC entering the main control. If no voltage is found, check the home breaker.
  • Page 49: Fill System

    13.5 VDC, resistance is 32 is 1 minute. The water valve is located in the front Sump left corner, under the dishwasher. As with past GE Dishwashers, it is secured to the left base leg Flood Switch Mounting...
  • Page 50: Diagnostics

    Diagnostics – 50 –...
  • Page 51: Flood Float And Switch

    Fill Funnel and Hose Flood Float and Switch The Flood Float is located in the sump. The Flood The Fill Funnel is located on the left side of the Switch is located on the underside of the sump. They dishwasher tub and must be removed from installation to gain access.
  • Page 52: Fill Valve

    Fill Valve Water Valve Removal 1. Remove power to the dishwasher. 2. Remove the toe kick. 3. Remove two 1/4 in. hex head screws from the bracket to the leg assembly. 5. Remove the wire harness. tension on the spring clamp. Spring Clamp –...
  • Page 53: Circulation System

    Circulation System system which directs it to either the lower spray arm or mid spray arm and upper sprayer (some models). The new 2015 Plastic Tub Dishwasher features alternating spray arms allowing low water use, helping pump as described later in this section. Some models have a wash zone feature which allows the consumer 30%.
  • Page 54: Diagnostics

    Diagnostics 9. Initiate the circulate test to view the circulation system in action. Clear Door Diagnostic Tool 10. Service mode will initiate a 2 minute circulate The Clear Door (Part #: WX05X20002) provides test 30 seconds lower CW, 2 - 3 seconds lower technicians with a tool to accurately diagnose CCW (will not reach full speed unless dishwasher 2012 and newer dishwashers.
  • Page 55: No Circulation Flow Chart

    No Circulation Flow Chart Circulation Strip Circuit Circulation Motor Fuse A circulation pump motor fuse is located on the main control board. If found open while testing for no circulation pump operation, the main control and circulation pump must be replaced. If 120 VAC is not found at Main Control J703-2 to J703-3, check the fuse at the points shown in the below illustration.
  • Page 56 Filtration Vents for improved washability. The Fine Filter water path is shown below. Water turbidity sensor and into the circulation pump. Fine Filter Ultra-Fine Filter twist lock design. The Owner's Manual advises the consumer to remove and clean every 60 days or more frequently depending on use.
  • Page 57: Circulation Motor And Pump Assembly

    Outlet - Lower Spray Arm Outlet - Mid Spray Arm Bottle Wash Upper Sprayer WARNING: GE Factory Service Technicians are REQUIRED to follow Lockout / Tagout (LOTO) 6 Bypass Step Process prior to beginning repair. Diverter Check Ball...
  • Page 58 The wash pump cycles on, and water pressure lower spray arm, and the check ball blocks the keeps the check ball positioned to block water rear port or upper spray conduit. At the same time, low pressure and low volume water enters mid spray arm and upper sprayer.
  • Page 59: Turbidity Sensor And Thermistor

    Diverter Removal NOTE: Using a rinse aid or water on the diverter seal will aid diverter installation. 1. Disconnect power to the dishwasher. 2. Remove the toe kick and insulation pieces, if applicable. 3. Remove the door. 4. Remove the sump assembly. 5.
  • Page 60: Thermistor

    Thermistor To check the thermistor, access the Main Control (see To Access Main Control Board section), check The Thermistor is located inside the turbidity sensor. resistance on connector J711, pin 7, YR to pin 10, The thermistor monitors water temperature in the WG.
  • Page 61: Conduits And Spray Arms

    Conduits and Spray Arms Bottle Wash Cover Upper Spray Bottle Wash Hose System Bottle Wash Manifold Bottle Wash Clip Mid Conduit Mid Spray Arm Main Conduit Lower Spray Arm Sump – 61 –...
  • Page 62: Main Conduit

    Main Conduit conduit to complete the removal. The Main Conduit supplies water to the mid spray arm, bottle wash (on some models) and the upper Heater Clip spray system (on some models). Main Conduit Removal 1. Remove both lower and upper racks. 2.
  • Page 63: Middle Conduit

    Lower Spray Arm The adjustable conduit has an internal check valve to block wash water from exiting the wash system, The Lower Spray Arm provides an upward directed keeping water directed into the mid spray arm. The middle conduit is replaced as an assembly, and The arm, bearing, and nut come as a complete individual parts for the assembly are not available assembly and has a twist lock design.
  • Page 64: Bottle Wash System (Some Models)

    Bottle Wash System (some models) The Bottle Wash is designed to wash sports bottles, baby bottles, or any dishwasher safe container with a smaller mouth which blocks water from entering the container using normal spray arm jets. This feature insures clean containers. Water is active anytime that the upper spray arm is operational. Selecting the bottle wash option on the control changes the wash algorithm.
  • Page 65: Drain System

    Drain System Operation Drain Components The Drain Pump is a 120 VAC synchronous motor, resistance of the motor windings is 27 ohms + pump. It is normal for the drain pump to start and normal. To ensure proper drain, the drain pump will pause several times in each drain cycle.
  • Page 66: Diagnostics

    Diagnostics Drain Pump Strip Circuit – 66 –...
  • Page 67 Drain Pump Removal or Replacement 7. Use new clamp included with the new pump or the clamp kit (Part #: WD35X10382) when 1. Remove power to the dishwasher. reinstalling. 2. Remove the door (consult Door Removal section When reassembling, position the hose properly onto of this service guide).
  • Page 68: Dry System

    Dry System Introduction and Operation Heat Element Heater Supports Heater Clip (on Main Conduit) Gasket Tub TCO The dual wattage 4 pass Calrod Heater serves both to heat the water during a wash cycle and to heat the air during the dry cycle. Heat and air circulation are required for good dry performance. Air circulation is element cycles after an initial 6 minute ON time to 60 seconds OFF, 60 seconds ON for 28 minutes during a Normal cycle with no wash boost options selected.
  • Page 69 Diagnostics Strip Circuit WARNING: GE Factory Service Technicians are REQUIRED to follow Lockout / Tagout (LOTO) 6 Step Process prior to beginning repair. Dual wattage occurs due to the heat level in the element raising the resistance of the internal element.
  • Page 70: Heat Element Removal

    Heat Element Removal Tub TCO The heater may be removed by one of two methods. If the TCO is open, the thermistor must be checked. If the thermistor checks good, then the water level to gain access to the element nuts. The second should be checked.
  • Page 71: Power Dry Forced Air

    Power Dry Forced Air Operation This design also uses the 4 Pass Heater and adds Heater operation is the same as the passive system. a powered vent fan located in the door (see the The fan is a brushless motor and operated by 13.5 Door section of this service guide for removal VDC and runs at 6,000 RPM.
  • Page 72: Schematics

    Schematics GDF570SxJ0xx – 72 –...
  • Page 73: Ddt595Sxj0Xx, Gdf650Sxj0Xx, Gdt655Sxj0Xx, Gdt695Sxj0Xx

    DDT595SxJ0xx, GDF650SxJ0xx, GDT655SxJ0xx, GDT695SxJ0xx – 73 –...
  • Page 74: Dishwasher Warranty

    This warranty is extended to the original purchaser and any succeeding owner for products purchased for home use within the USA. If the product is located in an area where service by a GE Authorized Servicer is not available, you may be responsible for a trip change or you may be required to bring the product to an Authorized GE Service location for service.
  • Page 75: Index

    Index Auto Hot Start 10 Inner Door Panel 35 Inner Door Vent Cover 30 Bottle Wash System 64 Buttons 32, 33 Junction Box 19 Circulation Motor 55, 56, 57 Latch Switch Diagnosis 22 Circulation System 11, 19, 40, 53 Level Legs 20 Component Locator Views 14 Light Pipe 32, 33 Conduits and Spray Arms 61...
  • Page 76 Thermistor 9, 43, 53, 60 Toe Kick 15, 19 Tools Needed 9 Top Control Console Cover 34 Top Control Panel 32 Troubleshooting 13 Tub and Structure 19, 53, 57, 70 Tub Gasket 21 Tub TCO 9, 70 Turbidity Sensor 9, 43, 53, 59 UI Diagnostics 48 Upper Spray System 8 Warranty 74...