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GE WPGT9350 Technical Service Manual

Profile washer
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GE Consumer Products
TECHNICAL SERVICE GUIDE
Profile Washer
MODEL SERIES:
WPGT9350
PUB # 31-9103 07/03

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Summary of Contents for GE WPGT9350

  • Page 1 GE Consumer Products TECHNICAL SERVICE GUIDE Profile Washer MODEL SERIES: WPGT9350 PUB # 31-9103 07/03...
  • Page 2 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 and properly fastened. GE Consumer Products Technical Service Guide Copyright © 2003 All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Backsplash ........................23 Basic Wash Cycle ......................17 Bearing Housing Assembly ....................37 Brake Resistor .........................25 Clutch Shifter Assembly ....................35 Component Locator Views ..................20 Consumer Help Screens ....................15 Control Features ........................7 Control Quick Reference Chart ..................42 Drain Pump ........................30 Factory Test Mode ......................40 Field Service Mode ......................38 Hall Sensor ........................34 Inverter ..........................24...

  • Page 4: Model Number

    Nomenclature Model Number W P G T 9 3 5 0 B 0 W W Back Splash GE Washer Color Feature Pack Body Color Common Brand Features Exceptions: Engr. Revision H = Energy Star P = Profile™ Model Year N = Special Designator Capacity/Configuration...

  • Page 5: Warranty

    The suspension rod and spring assembly, and main electronic control board if any of these parts should From the date of the fail due to a defect in materials or workmanship. GE will also replace the washer lid or cover if they original purchase should rust under operating conditions.

  • Page 6: Overview

    Overview General The GE Profile Harmony Washer is part of the GE Profile Harmony Clothes Care system utilizing the latest developments in washing technology. The Harmony Washer does not use the typical agitator found on conventional washers. Instead, the direct...

  • Page 7: Control Features

    Control Features Throughout this manual, features and appearances may vary from your model. TART Features of 1 POWER. Press to “wake up” the display. If 5 HOME. Press to return to the “TOUCH TO the display is active, press to put the washer SELECT WASH CYCLE”...

  • Page 8: Quick Start

    Quick Start Getting Loosely load clothes no higher than the top row of holes in the washer tub. Overloading Started may reduce washer efficiency and possibly increase wrinkling. If the Touch Add a low-sudsing, high-efficiency detergent. Screen is Add diluted fabric softener, bleach or wash dark, press boost additives as desired.

  • Page 9: Wash Cycles

    Wash Cycles If the Touch Screen is dark, press POWER or the Touch Screen to access the wash cycles menu. The default cycle settings are based on standard load types. Always follow the fabric manufacturer’s care label when laundering. Washing by Select By Color to wash loads sorted by color.

  • Page 10: Stain Inspector

    Stain Inspector Washing The Stain Inspector provides pretreatment You select the specific stain, fabric type and tips and optimum washing for specific types color, and the washer creates the wash cycle Using the of stains. for treating the stain. Stain Inspector Example: Washing a chocolate-stained, white cotton shirt 1 Press STAIN INSPECTOR.
  • Page 11 Stain Inspector Stain Selections Below is a listing of the stain selections available on the washer Touch Screen. For additional information on handling these types of stains, visit the Tide Stain Detective at ® www.tide.com/staindetective. Stain Selections Beverages Food/Dairy/Cooking Outdoor Specialty Stains •...

  • Page 12: Summary Screen

    Summary Screen About the After selecting a wash cycle, the Summary Screen SUMMARY SCREEN displays the automatic settings for the cycle you Summary have chosen. You can adjust these by touching the Screen COTTONS screen location for any of the settings shown. If you change any of the automatic settings, you can save the new settings as a custom “My Cycle”...
  • Page 13 Summary Screen About The Wash Options allow you to set options the Wash for the current wash cycle only. After you have OPTIONS made all desired changes, press OK. Options Delay Start – Use to delay the start of your washer.

  • Page 14: My Cycles

    My Cycles About the The “My Cycles” feature allows you to create, MY CYCLES store and reuse up to 6 custom cycles. Create “My Cycles” your own cycles from scratch, or adjust the Feature settings of a predefined wash cycle, then save MODIFY for one-touch recall.

  • Page 15: Consumer Help Screens

    3 Select the cycle name from the Touch Screen menu. menu. 4 Choose YES to delete the cycle or CANCEL 4 Change any of the automatic settings and to return to the list of “My Cycles.” select any options. My Cycles 5 Press SAVE on the Touch Screen.

  • Page 16: Sales Demo Mode

    Consumer Help Screens Setting the The machine settings on the Help feature MACHINE PREFERENCES Machine allow you to control the volume of the button beep and end-of-cycle signal, and turn the Preferences washer/dryer communication feature on or off. END OF CYCLE BUTTON BEEP SIGNAL Button Beep...

  • Page 17: Basic Wash Cycle

    Operation Overview Note: Dry load and wet load sensing are used on Basic Wash Cycle all cycles except the following: Note: See Component Locator Views SNEAKERS identification and location of washer components. COMFORTERS After a load is placed in the basket, the user BLANKETS (OTHERS) selects the appropriate wash cycle on the LCD BLANKETS (COTTONS)
  • Page 18 Centrifusion Wash Spin The locked infusor and wash basket begin a The infusor and wash basket lock together. The clockwise spin (figure 1). The speed of the spin basket spins very slowly at first. This allows dirty is customized to the load type and fabric type. As wash water and lint to drain through the holes the basket spins faster, it creates a strong flow of in the bottom of the basket before a higher spin...

  • Page 19: Wash Cycle Chart Example

    Wash Cycle Chart Example User Selection of Cycle Dry Load Sensing Water Fill Wet Load Sensing Wash Process Spin and Drain* Spray Rinse Final Rinse – 19 –...

  • Page 20: Component Locator Views

    Component Locator Views Tub Cover – 20 –...
  • Page 21 Note: To view the basket while it is in operation, open the lid and place a magnet on the left front corner of the top cover (in front of the bleach dispenser). Inverter Note: Backsplashes are reversible. Left control backspash shown. See Switching the Washer and Dryer for more information.
  • Page 22 Inverter Board Main Board Keypanel Membrane WARNING: THE CONNECTOR AT THE LCD BACKLIGHT IS OVER 800 VDC. USE APPROPRIATE TYPE VOLTMETER OR DAMAGE COULD RESULT. – 22 –...

  • Page 23: Backsplash

    Washer Components Backsplash The backsplash must be removed to access the control system components. To remove the backsplash: 1. Remove the 2 Phillips head screws that hold the backsplash in place. 2. Place a towel over the lid of the washer to prevent scratches to the surface.

  • Page 24: Inverter

    Membrane Keypanel The membrane keypanel is attached to the backsplash and is only available as a complete assembly. When ordering a replacement backsplash, the part must be ordered as left or right, depending upon installation. The membrane keypanel is connected to the control board by a ribbon cable.

  • Page 25: Brake Resistor

    • The inverter receives 120 VAC through the Protective Cover RD2 connector (RF Choke). If 120 VAC is not present, check wall outlet, power cord, and The protective cover must be removed to access RF Choke. the following components: water valve assembly, •...

  • Page 26: Inverter And Main Board Pin Connectors

    The frequency is monitored by the inverter which Pressure Sensor (Water Level Switch) turns off the water valves when the desired water level is achieved. The pressure sensor is connected by a clear hose to an air reservoir near the bottom of the outer tub Note: The water level will vary depending on and operates by a frequency (kHz) signal to the the load size which is measured by the dry load...

  • Page 27: Water Valve Assembly

    3. Note the placement of the wires, then Water Valve Assembly disconnect the wiring to the solenoid coils. The water valve consists of a valve body and five solenoid coils. It is only available as a complete assembly. Each solenoid controls a specific water function.

  • Page 28: Top Cover

    4. The main wiring harness is held in place by Top Cover plastic clips on the inside corner of the washer cavity. Remove the wiring harness from the The top cover is held in place by 2 Phillips head holding clips. screws located on the top/back of the washer and two front tabs.

  • Page 29: Wash Basket

    4. Remove the 10-mm hex-head screw that Wash Basket holds the infusor in place with a socket or Phillips head screwdriver (turn screw Caution: If the basket is not free to rotate, counterclockwise to remove). damage to the clutch coupler can occur. Ensure that the washer is in the spin mode before Note: The 10-mm screw has a rubber O-ring.

  • Page 30: Drain Pump

    Drain Pump • The drain pump consists of a 120-VAC, Drain Pump Cover 60-Hz, motor, impeller, and impeller housing. • The pump is capable of pumping to a stand- pipe height of 8 ft. The maximum length of the drain hose is 10 ft. (An accessory drain hose extension is not available at this time.) 4.
  • Page 31 7. Remove the 2 Phillips head screws that hold the drain pump to the mounting plate. Remove the drain pump. 5. Remove the 2 Phillips head screws that hold the drain pump mounting plate to the washer floor. Disconnect – 31 –...

  • Page 32: Outer Tub And Suspension Assembly

    Resistance can be measured at the purple 2-pin Thermistor/ATC Control (Auto Temp) connector on the inverter board. Make sure to unplug the connector to isolate the thermistor • The control uses a water temperature sensor before taking resistance readings. (See (thermistor) to regulate the wash water Inverter temperature.

  • Page 33: Motor Assembly

    ROTOR Rotor Disengage COIL POWER STATOR PERMANENT MAGNET HALL SENSOR ASSEMBLY SHAFT POWER PERMANENT 4. Pull the outer tub assembly out of the washer HALL SENSOR MAGNET cabinet. ROTOR STATOR Caution: Care must to taken when reinstalling ROTOR NUT and sealing the drain hoses to the outer tub to ensure there is no water leakage.
  • Page 34 To remove the rotor and stator: WARNING: The rotor is not grounded. Unplug the washer before servicing to avoid electrical shock 1. To access the motor, the washer must be placed on its side. Place a towel or blanket on the floor to prevent scratches to the surface of the washer.
  • Page 35 3. Pull the rotor away from the drive shaft. 4. Remove the six 10-mm hex-head screws that hold the stator in place. Note: Removal of the wiring guard (held in place by one 10-mm hex-head screw) will give better access to the motor connector. Stator –...
  • Page 36 Clutch Operation To diagnose the clutch motor: • The clutch locks and unlocks the basket by • The inverter supplies 120 VAC to the clutch engaging teeth on the inside of the rotor with motor through the brown and white wires teeth on the clutch coupler.

  • Page 37: Bearing Housing Assembly

    To remove the clutch shifter assembly: Bearing Housing Assembly 1. Remove the rotor. (See Motor Assembly. To remove the bearing housing Assembly: 2. Remove the three Phillips head screws from 1. Remove the the clutch coupler plate. Motor Assembly Clutch Shifter Assembly 2.

  • Page 38: Field Service Mode

    Field Service Mode 3. Press and hold MY CYCLES and BACK Overview simultaneously for 3 seconds: The washer control has a field service mode that • The control will display any recorded can be accessed by the service technician in errors.
  • Page 39 The self diagnostic check consists of a series of system tests to ensure the washer is operating correctly. Follow the on-screen instructions. CONGRATULATIONS ON THE PURCHASE OF YOUR NEW GE PROFILE WASHER! A BRIEF SELF DIAGNOSTIC WILL NOW BE RUN ON YOUR Service Mode WASHER.

  • Page 40: Factory Test Mode

    5. The contrast screen is displayed. This test Factory Test Mode shows screen resolution, which affects how the washer’s graphics are displayed. Press The factory test mode allows the service tech to make adjustments and run several important the START/STOP pad once to cycle through the contrast screen (the black flips to the tests on critical washer components.
  • Page 41 b. To stop the current test and move to the • TEST BLEACH VALVE - Energizes bleach next test, press the START/STOP pad. valve. c. Each test starts as soon as it is displayed • TEST SPECIAL ADDITIVE - Energizes on the screen and each test will time out special additive valve.

  • Page 42: Control Quick Reference Chart

    Control Quick Reference Chart Wash Cycle No Power Mode Demo Mode Power Up Cycle Started (unit plugged in) Cycle Complete Or Paused Home & My Cycles Buttons (3 secs) Complete Setup Mode User Setup Home, Back, My Cycles, or Interface Mode Help Buttons Mode...

  • Page 43: Troubleshooting

    Troubleshooting Problem Possible Cause and Repair LCD backlight does not come on. The backlight connection on the main board may not be secure. Check the connection to make sure it is secure. The LCD backlight does not function below 30°F (-1.1°C). Vertical lines on the LCD display when the Re-seat LCD ribbon cable at connector CN6 on washer is turned on.
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  • Page 48: Schematic

    Schematic – 48 –...

  • Page 49: Parts

    PARTS – 49 –...
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  • Page 54: Switching The Washer And Dryer Backsplashes

    Switching the Washer and Dryer Backsplashes Overview To switch the washer and dryer backsplashes: 1. Place a towel over the lid of the washer to When viewed from the front, the washer is prevent scratches to the surface. shipped for installation on the left and the dryer is shipped for installation on the right.
  • Page 55 5. Disconnect the ribbon at the right of the 8. Remove the 4 Phillips head screws from the washer control board by pulling the connector dryer backsplash. Rotate backsplash forward at the end of the ribbon off the metal pins. and lift off.
  • Page 56 12. Place the backsplash from the dryer on top of 15. Place the gray wire from the serial port under the washer and place the backsplash from the the strain relief of the new backsplash. washer on top of the dryer. Strain Relief 16.
  • Page 57 18. Attach the washer control board to the new 21. Place the gray wire from the serial port under backsplash by replacing the 4 Phillips head the strain relief of the new backsplash. screws removed from the washer control board earlier. Strain Relief 22.
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  • Page 59 Notes – 59 –...

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