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Summary of Contents for GE GTW750CPLDG
- Page 1 Technical Service Guide January 2018 GE 27 Inch Top Load Washer GTW750CPLDG GTW750CSLWS 31-9281...
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Page 2: Safety Information
GE Appliances, a Haier Company Technical Service Guide Copyright © 2018 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from GE Appliances, a Haier Company. – 2 –... -
Page 3: Table Of Contents
Table of Contents Safety Information ........................2 Table of Contents..........................3 Safety Requirements ........................5 Nomenclature ..........................6 Introduction ...........................7 Control Features ...........................8 ........................18 Water Levels .........................18 Component Locator Views ......................19 Underside Top Cover 750 Model ..................19 Tub Assembly 750 Model .....................20 Backsplash Assembly Electronic 750 Model ................21 Control Board Electronic 750 Models ...................21 Bottom View .........................22 Diagnostics ...........................23... - Page 4 Table of Contents (continued) Cabinet/Apron Assembly ......................40 Leveling Legs ........................40 Fill System ............................41 Water Valve ..........................41 Thermistor..........................42 Bleach/Bulk Tank Funnel .....................42 Dispensers ..........................43 Bulk Detergent Tank ......................46 Aspirator ..........................47 Water Levels .........................48 Pressure Sensor ........................49 Wash System ..........................50 Recirculation Pump ......................50 Drain System ..........................51 Drain Pump ...........................51 Drain Hose External ......................52...
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Page 5: 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 6: Nomenclature
Nomenclature Model Number G T W 7 5 0 C S L 0 W S Brand Color G: GE WS: White with Silver H: Hot Point WW: White with White DG: Diamond Grey F: Front Load 0 - 99 T: Top Load - Rear Control... -
Page 7: Introduction
Introduction GE Appliances Top Load Washer Features The GE Appliances 27 Inch Top Load Washer includes many requested features. With so many sought after features, this product delivers on washability that the consumer has been looking for. Features include: Option to add more water for larger loads. -
Page 8: Control Features
Control Features Throughout this manual, features and appearance may vary by model. GTW750 Models Power Press Power to wake up the display. If the display is active, press Power to put the washer into idle mode. NOTE: Pressing Power does not disconnect the appliance from the power supply. Start/Pause Press Start to begin the cycle. - Page 9 Display: The display shows the approximate time remaining until the end of the cycle. NOTE time, with larger loads taking longer. In addition, this display will, “scroll” the washer status: Start of rebalancing cycle to redistribute clothes. Stops after rebalancing is complete.
- Page 10 Wash Cycles-Cycle Selector Knob The wash cycle controls the type of washing process. The cycle selector knob can be turned in either direction. Turning the knob after starting a cycle will stop the washer and change the cycle options to the new selection. Press Start to begin the new cycle selection. The chart below will help match the items to be washed with the best wash cycle settings.
- Page 11 Wash Cycles-Cycle Selector Knob - Continued Wash Spin Items to Wash Cycle Soil Level Options Available Cycle Details Temp Selection Small loads of Speed Ex. Heavy Stain Removal Utilizes more intense agitation lightly soiled Wash Warm Heavy More Guide items that are Colors Normal Normal...
- Page 12 Wash Cycles-Cycle Selector Knob - Continued Wash Spin Items to Wash Cycle Soil Level Options Available Cycle Details Temp Selection Water-resistant, Bulky Ex. Heavy Stain Removal Provides a Deep Fill/Max Fill bedding and Items Warm Heavy More Guide wash water level to wash bulky bulky items, Colors Normal...
- Page 13 Water Station (on some models) Alternatively, use this feature to This feature is for the pretreating soak garments in the pretreated of garments only and not intended water for up to 24 hours with the lid to serve as an actual wash cycle. closed and the cycle knob remain- When selected, the washer will ing on Water Station.
- Page 14 Individual settings for agitation (Soil), water temperature (Temp), and spin (Spin) can be set from the minimum (lowest in column) to maximum (highest in column). In general, the higher up the column, the more washer energy will be used. Longer spin times typically reduce dryer time/energy usage (i.e.: reduces total energy when using both a washer and a dryer).
- Page 15 Additional Options As the cycle selector knob is turned, the Temp, Soil and Spin settings change to automatic desired options or changes to the cycle settings, then press and hold the My Cycle button for 3 seconds to store them. The My Cycle button will light when active. In the future, when the user turns the selector knob to that cycle, the settings will be automatically recalled.
- Page 16 SmartDispense™ (GTW750 model only) When selected, this feature will automatically add detergent to the wash, eliminating the need to add detergent for each load. The tank will hold approximately 75 ounces of liquid detergent. This the washing machine. When AUTO is selected, the amount of detergent needed for each laundry load will automatically be determined based on the size of the load the machine senses.
- Page 17 After the 4-minute period, begin the cycle again. If the user tries to bypass the lock-out period by unplugging the washer, the 4-minute timer will start over again. If the problem persists, call 800.GE.CARES (800.432.2737) for service. “LId”...
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Page 18: Water Levels
Main Board: 120 VAC to the J101 : 12 VDC / 7.5 VDC Recirculation Pump: Should read Hall Sensor: 9 VDC pin 3 to pin 2 approximately 31.7 ohms - 120 VAC Pressure Sensor: (See Pressure Sensor Drain Pump: Should read approximately in the Fill System section of this service 13.2 ohms - 120 VAC guide.) -
Page 19: Component Locator Views
Component Locator Views Underside Top Cover 750 Model Lid Switch/ Lock Assembly Bleach Cup Location Bulk Tank Lid Hinges Dispenser Box Assembly – 19 –... -
Page 20: Tub Assembly 750 Model
Tub Assembly 750 Model Impeller Cap Tub Cover and Bolt Hub Nut and Impeller Belleville Washer Rod and Spring Assembly Main Harness Recirculation Tube Recirculation Pump Seal Platform/ Transmission with Tub Seal Recirculation Pump Motor Motor Shield Motor and Transmission Belt Pulleys Mode Shifter Clutch... -
Page 21: Backsplash Assembly Electronic 750 Model
Backsplash Assembly Electronic 750 Model Rear Panel MC Board Assembly UI Board MC board Assembly Bracket Button Tree Part of the UI - MC Board Assembly Backsplash Assembly Knob Assembly Control Board Electronic 750 Models J602 J512 J615 J701 J101 J511 J513 J514... -
Page 22: Bottom View
Bottom View Suspension Recirculation Rod and Spring Pump - Not Assembly Front on all models View shown without belt protector and pulleys in place. Transmission Motor Pulley Pulley Drive Transmission Belt Mode Harness Drain Pump Motor Supports Shifter Connectors and Internal Assembly Assembly Outlet Hose... -
Page 23: Diagnostics
Consumer Error Mode (CEM) Field Service Mode Entry into Consumer Error Mode Entry into Field Service Mode Consumer Error Mode allows the consumer to retrieve the fault codes to assist with diagnosis and hold the Start button for 10 seconds at the time the consumer calls for service to their while rotating the cycle selection knob 180 machine. -
Page 24: Service Mode Tests
Service Mode Tests Once in the Service Mode, rotate the Cycle Select knob to advance to the desired test. Knob Index / Test number Description of test Displayed on Test Name Turning the cycle knob will index to the next or prior test. display (SSD) All LED’s on All LEDs on the display will be blink including "88"... - Page 25 Knob Index / Test number Description of test Displayed on Test Name Turning the cycle knob will index to the next or prior test. display (SSD) Fabric Softener Pressing Start will toggle the fabric softener valve on and off. Dispenser Test will have a time-out for how long valve will be on (1 minute).
- Page 26 Knob Index / Test number Description of test Displayed on Test Name Turning the cycle knob will index to the next or prior test. display (SSD) Change Pressing Start will start the test. Personality Press Start button again and the next valid personality should be displayed.
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Page 27: Fault Codes
Fault Codes will hold up to 10 faults. Once in the service mode, rotate the cycle select knob to advance to test number 1, Fault Codes. The most recent fault, if any are logged, will be displayed. Fault Fault Name Description Repair Action Code... - Page 28 Fault Code Fault Name Description Repair Action Mode Shifter Control didn’t see the transition from Agitate Check mode shifter coupler for to Spin or vice-versa in the time required. damage and the ability to slide Could mean the shift didn’t occur or Control in and out freely.
- Page 29 Check Each Valves Operation; Voltage Output must be present. Could (Replace Water Valve and send back to GE). stuck water valve. Voltage output of Sensor Check the output voltage from too high for actual water level because of...
- Page 30 Fault Fault Name Description Repair Action Code Adaptive Drain/Slow The total number of times during machine This fault is set when adaptive Drain life that the actual amount of time the drain cycle occurs to try to pressure sensor indicated the wash remove the rest of water in tub.
- Page 31 Fault Fault Name Description Repair Action Code Critical Flood Level Water volume into the tub exceeded 41 Check pressure tube for by Gallons gallons as calculated by the control. pinches where it goes through 1. Pressure tube is momentarily pinched, top cover grommet.
- Page 32 Fault Code Fault Name Description Repair Action Pressure Sensor 1. Disconnected pressure hose. Check pressure tube for Dropout 2. Pressure tube is pinched or has water pinches where it goes through in it. top cover grommet. 3. Pressure sensor fault. Check pressure tube for trapped water.
- Page 33 Fault Code Fault Name Description Repair Action Out of balance in This fault is set if the machine is unable Run a drain and spin cycle to to reach target spin speed and cycle completes at a lower spin speed due to out spin speed and the spin LED of balance (OOB).
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Page 34: Personality Id
Personality ID Personality ID Numbers Personality Table Model Number Personality Number To change the personality, the Service Mode must MTW200**K0 Entry into Field Service Mode section under in this service HTW200**K0 & K1 guide). HTW200**K2 HTW200**K3 & higher 7-segment display models will display the number GTW220**K0, K1 &... -
Page 35: Cabinet And Structure
Cabinet and Structure 5. Remove the four 1/4 in. hex head screws that Backsplash secure the rear cover to the backsplash, and Before removing the backsplash assembly, be the RJ45 connector connected to the rear sure to protect the lid and top cover with a towel cover that will need to be disconnected. -
Page 36: Glass Lid Assembly
Glass Lid Assembly Lid Latch Glass Lid Assembly Removal The lid latch is located on the underside of the lid. When the lid is closed, the latch closes the 1. Slide the backsplash assembly toward the contacts of the lid switch. During the spin portion rear of the washer. -
Page 37: Lid Switch/Lock Assembly
2. Using a small screwdriver, push down gently Lid Switch/Lock Assembly on the tab that prevents the lock assembly from moving. The lid switch and the lid lock are both together in one part. The Lid Switch requires 120 VAC to activate the locking mechanism. -
Page 38: Lid Hinge
Impeller After the lid is removed, the lid lever arms can be The impeller moves clothes around in the basket. slid out from the hinge assemblies. They are the It takes the place of a tall agitator. Impellers same, so they cannot be mixed up. are designed to work best with moving material around in the basket with low water levels. -
Page 39: Top Cover
Top Cover Basket Assembly If the top cover is being replaced, the control The basket assembly consists of the balance panel assembly and the water valve will need ring, basket side wall and the basket bottom. The to be removed. If the top cover is not being hub is molded into the basket bottom. -
Page 40: Cabinet/Apron Assembly
Cabinet/Apron Assembly The cabinet/apron assembly consists of the Keeping the washer level is critical because cabinet, top corner brackets, and bottom corner the clearance of the tub to the cabinet/apron brackets. The leveling legs can be ordered assembly is minimal. It also assists with separately if needed. -
Page 41: Fill System
Fill System Four Coil Water Valve Removal Water Valve The water valve is located inside the backsplash and disconnect power to the washer. assembly. 2. Remove the two 1/4 in. hex head screws securing the backsplash to the top cover to dispenser box. -
Page 42: Thermistor
Thermistor Bleach/Bulk Tank Funnel The thermistor and harness comes as one The bleach portion of the funnel directs the liquid assembly that connects to the control board. bleach to the top cover, dispensing it between the The thermistor also comes with an O-ring that outer tub and the basket. -
Page 43: Dispensers
Dispensers Dispenser Box To support the top cover while servicing, this method of support has proven to be helpful. The dispenser box only has one drawer that slides out. It is for the fabric softener. There 1. Tape the lid securely to the top cover. The lid is no drawer for detergent. - Page 44 5. Holding the top cover securely, raise the top 8. Lean the top cover back against the wall. cover up and rest the rear of the top cover on Screws will prevent the top cover from the cabinet. 6. Using the backsplash screws, push the screws through the existing holes in the rear of the top cover.
- Page 45 Dispenser Removal Continued 4. Raise the top cover to access the dispenser box. Using a pair of pinch pliers, clamp the tube so the at the bottom of the dispenser box out from does not take much pressure to clamp it closed. NOTE: Be careful not to pry too hard against the metal.
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Page 46: Bulk Detergent Tank
3. Lift the bulk tank out from the top cover. The bulk detergent tank will hold up to 75 ounces of detergent. Depending on the load size detected automatically be dispensed for that load. The following are the amounts dispensed: Small: 1 oz Medium: 2 oz : 3 oz... -
Page 47: Aspirator
4. Separate the dispensing tube from the Aspirator aspirator. The Aspirator is basically a "Y" tube. When water NOTE: If the rubber tube is being replaced, the clamps that secure it to the aspirator will need to be replaced. Use the small Click Clamps in kit portion of the aspirator, it creates a suction. -
Page 48: Water Levels
Water Levels called Water Saver Rinse. Approximate Minimum Water level is lower than that of the Impeller Models: 7 Gallons or 3 inches style rinse (as opposed to a spray rinse). deep from the bottom of the basket. Washer then performs a brief period of rinse Approximate Maximum Wash Water Levels: agitation to move the fresh water through the clothes. -
Page 49: Pressure Sensor
Depending on how much water is in the basket Pressure Sensor will determine what output DC voltage will be read according to the chart. The pressure sensors purpose is to sense the level of water in the tub when a cycle is being run, Tub Water Level Pressure Sensor or if the washer is sitting idle. -
Page 50: Wash System
Wash System 3. Disconnect the harness connector for the Recirculation Pump recirculation pump. The recirculation pump is located on the bottom 4. Disconnect the wire tie securing the harness front of the tub and is mounted directly to the to the platform assembly. A new wire tie bottom of the tub. -
Page 51: Drain System
Drain System When the drain pump is removed, approximately Drain Pump 1 to 2 cups of water will drain out of the drain pump opening in the tub. Have something ready The drain pump is located on the bottom right to catch the excess water left in the tub. -
Page 52: Drain Hose External
6. Pull the pump away from the tub. Be sure the Drain Hose Internal The internal drain hose is used to direct the water The seal comes with a new pump, but can be being removed by the drain pump to the external ordered separately (Part #: WH08X24179). -
Page 53: Drive System
Drive System The drive system consists of the belt, pulleys, Belt Installation drive motor, mode shifter, speed/hall sensor and 1. Put the belt on the motor pulley. transmission. They all operate together to agitate and/or spin the load in the basket. 2. -
Page 54: Speed/Hall Sensor
Speed/Hall Sensor The speed/hall sensor is mounted to the drive motor and sends a pulse signal back to the control board. This is done when the magnet that is mounted in the drive motor pulley passes over the sensor. Magnet Pin 1 to pin 5 should read approximately 4.5 VDC while rotating the basket by hand. -
Page 55: Drive Motor
3. Remove the two 1/2 in. hex bolts that secures Drive Motor the motor to the platform. When reinstalling the bolts, torque to 170 in. pounds. The drive motor is a 1/2 horsepower motor. They The drive belt letter color for this model is white. This allows the machine to spin up to 800 RPM. -
Page 56: Mode Shifter
Mode Shifter The Mode Shifter Switch's home position is open, The mode shifter consists of a motor that ready for a spin cycle. When agitating, the switch operates by receiving 120 VAC from the control should be closed. From the J512 connector on board, a micro switch, and a spring and clutch. -
Page 57: Platform/Transmission Assembly
2. Remove two 3/8 hex bolts securing the mode Platform/Transmission Assembly shifter to the platform. The mode shifter, The platform assembly not only houses the away from the platform. transmission, but is used to mount the drive motor and mode shifter. The transmission has Mode Shifter Reinstallation planetary gears inside to assist with the agitation and spin cycles of the washer. -
Page 58: Main Harness Assembly
The tub seal is pressed onto the shaft. Prying Main Harness Assembly against the tub bottom to remove the platform assembly may be necessary. The main harness assembly supplies AC and DC voltage to all components on the washer. If a wire or connector should fail, it will need to be repaired or replaced. -
Page 59: Riser
3. Remove the harness connectors from the Riser connector brackets on the bottom of the tub. The riser is a plastic frame that attaches to the 4. Disengage the wire ties securing the harness bottom of the cabinet. to the platform assembly and set the harness aside. -
Page 60: Schematics / Wiring Diagrams
Resistance Table Component Drain Pump 13.2 Lid Lock Mode Shifter 5,700 Motor (1/2 HP) Motor (1/3 HP) Recirculation Pump 31.7 Water Valves (Cold, Fab_Soft) 1,374 Water Valves (Hot, Rinse) 1,515 Wire Color Key XX-YY XX: Wire Color YY: Wire Gauge W: White C: Brown B: Black... - Page 61 – 61 –...
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Page 62: Index
Index Backsplash 21, 35 Platform/Transmission Assembly 57, 58 Basket Assembly 39 Pressure Sensor 18, 25, 28, 32, 35, 49 Bleach/ Bulk Tank Funnel 42 Pretreating 13 Bleach Funnel 42 Product Specifications 18 Bulk Detergent Tank 46 Recirculation Pump 18, 20, 22, 50 Cabinet and Structure 35 Redistribution 17 Cabinet/Apron Assembly 40...
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