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GE GFWS2500 Technical Service Manual
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GE GFWS2500 Technical Service Manual

Louisville built front load washer
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See also: Owner's Manual , Installation Instructions & Owner's Manual
GE Appliances & Lighting
Technical Service Guide
October 2014
Louisville Built Front Load Washer
GFWS2500/GFWS2505
GFWS2600/GFWS2605
GHWS3600/GHWS3605
GFWS3700/GFWS3705
GFWR4800/GFWR4805
GE Appliances & Lighting
General Electric Company
Louisville, Kentucky 40225
31-9236

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Summary of Contents for GE GFWS2500

  • Page 1 GE Appliances & Lighting Technical Service Guide October 2014 Louisville Built Front Load Washer GFWS2500/GFWS2505 GFWS2600/GFWS2605 GHWS3600/GHWS3605 GFWS3700/GFWS3705 GFWR4800/GFWR4805 GE Appliances & Lighting General Electric Company Louisville, Kentucky 40225 31-9236...
  • 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 Appliances & Lighting Technical Service Guide Copyright © 2014 All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Safety Requirements Introduction Nomenclature Electrical Specifi cations Tools Needed Installation Adaptive Vibration Control Pedestal Installation Product Operation Diagnostics Service Mode Service Mode Entry Service Mode Exit Service Mode Tests Consumer Mode Consumer Mode Entry Consumer Mode Navigation Consumer Mode Exit Fault Codes Faults 1-9...
  • Page 4 Overnight Dry Fan Location Pressure Sensor Location Top Counterweight Location IMC Board Location Stator Location Heater Location RJ45 Connection Location Rotor Location Hall Sensor Location Thermistor Connector Main Fill Hose Location Thermistor Location Vent Location Tub and Basket Exploded View Door Exploded View Tub and Structure Door Assembly...
  • Page 5 Button Tree Button Tree Removal IMC Board IMC Board Tests IMC Board Diagnostics IMC Board Removal RJ45 Board RJ45 Board Strip Circuit RJ45 Board Removal Top Panel Top Panel Removal Front Panel Front Panel Removal Rear Panel Rear Panel Removal Leveling Leg Riser Riser Removal...
  • Page 6 Pressure Sensor Tests Pressure Sensor Removal Heater Heater Strip Circuit Heater Tests Heater Diagnostics Heater Removal Thermistor Thermistor Chart Thermistor Tests Thermistor Removal Dispenser Assembly Dispenser Assembly Tests Dispenser Assembly Diagnostics Dispenser Assembly Removal Diverter Motor Assembly Diverter Motor Assembly Strip Circuit Diverter Motor Assembly Tests Diverter Motor Assembly Diagnostics Diverter Motor Assembly Removal...

  • Page 7: 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 Dyneema® Cut Resistant Steel Toed Work Boot Dyneema® Cut Resistant Glove Glove Keeper...

  • Page 8: Introduction

    Introduction Louisville built front load washers feature a new look, a new direct drive motor system, dual balance rings, combined machine control/inverter board, recirculation pump, overnight dry fan and integrated riser. Some features are not available on all models, see below. All models have the following: 2 Electronic Boards •...

  • Page 9: Nomenclature

    Nomenclature G F W R 4 8 0 0 F W W Color Code Brand WW - White G - GE MC - Metallic Carbon P - Profi le RR - Ruby Red Confi guration Model Year F - Front Load...

  • Page 10: Electrical Specifi Cations

    Electrical Specifi cations Component Operating Voltage Resistance Wattage Frequency Diverter Motor Motor - 120 VAC 1.4 kΩ Position Switch - 5 VDC Door Lock Solenoid 120 VAC 50 Ω Drain Pump 120 VAC 14.8 Ω Flow Meter 12 VDC Heater 120 VAC 14.6 Ω...

  • Page 11: Tools Needed

    Tools Needed Large fl at head screwdriver Small fl at head screwdriver #2 Phillips head screwdriver 1/4” Nut driver 5/16” Nut driver T20 Torx T25 Torx Hose clamp pliers Slip joint pliers Side cutter pliers 3/8” socket 1/2” socket 9/16” socket 10mm socket 12”...

  • Page 12: Installation

    Installation Adaptive Vibration Control This GE washer is equipped with Adaptive Vibration Control Technology. Using information about the fl oor, this system can reduce vibration and improve spin performance in some installations by adapting the spin cycle. The DEFAULT confi guration is specially designed to provide optimal performance across the widest range of fl...
  • Page 13 3. Use an adjustable wrench to remove the washer leveling legs. Pedestal Prep 1. Pull the pedestal drawer out as far as it will go. 2. Remove screws from drawer slides. Slide drawer out of the base and set aside. Install the pedestal to the washer 1.

  • Page 14: Product Operation

    Product Operation Throughout this manual, features and appearance may vary depending on model. Models: GFWR4805, GFWR4800 Models: GFWS3705, GFWS3700, GHWS3605, GHWS3600 Models: GFWR2705, GFWR2700...
  • Page 15 Models: GFWS2605, GFWS2600 Models: GFWS2505, GFWS2500 1. Power Press to “wake up” the display. If the display is active, press to put the washer into standby mode. NOTE: Pressing Power does not disconnect the appliance from the power supply. 2. Wash Cycles The wash cycles are optimized for specifi...
  • Page 16 Allergen* For removing common allergens such as dust mites and pet dander. Towels/Sheets* For items such as towels, sheets, pillowcases and dish rags. Delicates/Hand For items labeled hand-washable with light soils. Provides gentle tumbling and Wash soak during wash and rinse. Speed Wash or For lightly soiled items that are needed in a hurry.
  • Page 17 Volume To adjust the volume of the unit, press the Volume button to select the desired level. Lock Control The controls can be locked to prevent any selections from being made. Add Steam Add Steam adds steam into the washer early in the cycle to assist with loosening stains on the Towels/Sheets, Normal, Whites, Bulky, Active Wear, Power Clean, Sanitize or Allergen cycles.
  • Page 18 11. Overnight Dry (On Some Models) Overnight Dry is available on the following cycles: Active Wear, Whites, Normal and Single Item. Overnight Dry is intended for smaller loads only. This feature is intended for use when clothes need to be washed, dried and ready to wear or fi nished the next morning. This feature will tumble clothes and introduce a constant stream of air into the machine compartment upon completion of select wash cycles.
  • Page 19 20. eMonitor The eMonitor lights display the relative energy use of your selected cycle and options. They are provid- ed as an energy guide and range from Good (1 light) to Better (5 lights). Some special cycles will not provide a display. 21.

  • Page 20: Diagnostics

    Diagnostics Service Mode The control must be in the idle state (display lit but not in a cycle) to enter Service Mode. Keys are labeled diff erently on certain models. Press the following key sequence that matches the keys on the model being serviced.

  • Page 21: Service Mode Tests

    Service Mode Tests Test 01 LED & Door • Press the Start key to begin the test. Switch Test • All LED’s on the display will be lit including “8:88” on the seven segment display. • Opening the door will cause the LED’s and seven segment display to blink while the door is open.
  • Page 22 Test 07 MC Software • Press the Start key to begin the test. Version Check • Major software version of the MC software is displayed in the display for 1 second and the Extra Heavy LED is on. • Minor software version of the MC software is displayed in the display for 1 second and the Heavy LED is on.
  • Page 23 Test 12 Drain Pump Test Press the Start key to begin the test. Drain pump comes on and P1 is displayed in the display. Test 13 Heater Test • Press the Start key to begin the test. • Water temperature in °F is displayed in the display. •...
  • Page 24 Test 19 Mc Critical • Press the Start key to begin the test. Software Version • Major software version of the MC software is displayed in the display Check for 1 second and the Extra Heavy LED is on. • Minor software version of the MC software is displayed in the display for 1 second and the Heavy LED is on.

  • Page 25: Consumer Mode

    Test 25 Low Flow (Steam) • Press the Start key to begin the test. Water Valve Test • After the door locks the low fl ow water valve is energized and the pressure sensor frequency is displayed in the display with 1 decimal point of resolution.

  • Page 26: Fault Codes

    Fault Codes Fault codes can be viewed in service mode T21. Fault codes can be cleared in service mode T22. Faults 1-9 Fault Name Description Repair Action Code UI EEPROM UI software not operat- • Clear the fault code using Service Mode test ing correctly.

  • Page 27: Faults

    Faults A-11 Fault Name Description Repair Action Code Slow Fill (Flow Slow fi ll during fl ow • Check house water supply and proper water Meter) meter fi ll. pressure. • Check for kinked hoses. • Check hose and water valve screens. •...

  • Page 28: Faults 12-Cb

    Faults 12-CB Fault Name Description Repair Action Code Door Unlock Error Door fails to unlock • Check for door closing properly or warped after more than 3 door. attempts. • Check for broken or deformed door latch. • Check door lock and wiring. Flow Meter Error The water volume •...

  • Page 29: Faults Cc-D4

    Faults CC-D4 Fault Name Description Repair Action Code CC, CD, IMC Fault IMC Fault • Reset IMC by unplugging washer for 30 CE, CF seconds. Attempt to operate Drain and Spin cycle. • Enter Service Mode and check that fault has cleared.

  • Page 30: Faults D5-E8

    Faults D5-E8 IMC Fault IMC Fault • Reset IMC by unplugging washer for 30 seconds. Attempt to operate Drain and Spin cycle. • Enter Service Mode and check that fault has cleared. • If fault persists, or unit does not spin, replace IMC (Inverter Machine Control).

  • Page 31: Electronic Board Pin Outs

    Electronic Board Pin Outs IMC Board J1001-1 J702-1 J701-6 J701-1 IMC J101 pin1 – Chassis GND to IMC board IMC J101 pin 2 – Neutral supply to IMC board IMC J101 pin 3 – Line supply to IMC Board IMC J101 pin 4 – Neutral connection to water valves IMC J101 pin 5 –...
  • Page 32 IMC J702 pin 1 - Switched line voltage to Hot Valve IMC J702 pin 2 - Switched line voltage to Cold Valve IMC J702 pin 3 - Switched line voltage to Steam Valve IMC J702 pin 4 - Not Used IMC J702 pin 5 - Not Used IMC J702 pin 6 - Not Used IMC J501 pin 1 –...
  • Page 33 UI Board Pin Out UI J201 pin 1 - +12 VDC from IMC board UI J201 pin 2 - Comm Line UI J201 pin 3 - +7.5 VDC from IMC board UI J201 pin 4 - Not Used UI J201 pin 5 - DC GND from IMC board UI J201 pin 6 - DC GND to RJ45 board UI J201 pin 7 - Comm Line UI J201 pin 8 - +12 VDC to RJ45 board...

  • Page 34: Component Locator Views

    Component Locator Views Front View Top Panel Location Control Panel Assembly Location UI Board Location Door Lock Assembly Location Front Panel Location Drain Clean Out Cover Location Riser Location...

  • Page 35: Vent Tube Location

    Top View Water Valve Assembly Location Vent Tube Location IMC Board Location Diverter Motor Assembly Location Pressure Sensor Location Dispenser Assembly Location Top Counterweight Location...

  • Page 36: Stator Location

    Rear View RJ45 Connection Location Vent Location Main Fill Hose Location Rotor Location Stator Location Under Rotor Hall Sensor Location Under Stator Thermistor Location Heater Location Thermistor Connector...

  • Page 37: Tub And Basket Exploded View

    Tub and Basket Exploded View Rear Tub Location O-Ring Seal Location Rear Balance Ring Location ONR Hose Location Top Counterweight Location Inner Tub Location Baffl e Location Overnight Dry Filter Location Front Balance Ring Location Gasket Nozzle Location Front Tub Location Rear Gasket Clamp Bottom Counterweight Door Exploded View...

  • Page 38: Tub And Structure

    Tub and Structure Door Assembly Front Panel Slot Door Cover Holding Screw Handle Door Glass Door Frame Door Frame The door is available as a complete assembly or components may be replaced separately. See Door Exploded View on pag e 37. Note: The door cover protect (not shown in the image above) is not a part of the door assembly.

  • Page 39: Door Glass

    Door Hinge #2 Phillips #2 Phillips Hinge Bushing #2 Phillips #2 Phillips #2 Phillips #2 Phillips Hinge Bushing Support Screw #2 Phillips Hinge Bushing #2 Phillips #2 Phillips Hinge Bushing #2 Phillips #2 Phillips Location: See Door Hinge Location on page 37. Door Hinge Removal Door Glass 1.

  • Page 40: Door Handle

    Door Handle Door Cover Location: See Door Cover Location on page 37. Location: See Door Handle Location on page 37. Door Cover Removal Door Handle Removal 1. Remove the door assembly. (See Door Assembly 1. Remove the door assembly. (See Door Assembly Removal) Removal) 2.

  • Page 41: Door Cover Protect Removal

    Door Cover Protect Removal Door Lock Assembly Strip Circuit 1. Remove the door assembly. (See Door Assembly Diverter Motor IMC J701-6 Removal) 2. Remove the door frame. (See Door Frame Removal) 3. Lift the door glass to remove. IMC J101-2 To Neutral 4.

  • Page 42: Door Lock Assembly Removal

    Door Lock Assembly Removal 2. Remove the tub lamp if present. (See Tub Lamp 1. Disconnect power to the unit. Removal) 2. Remove the front gasket clamp. (See Tub Gasket 3. Remove the glass clean hose and recirculation Removal) hose if present. 3.

  • Page 43: Tub Lamp

    2. Starting at the bottom, attach the inside gasket Tub Lamp Strip Circuit lip to the front tub inside lip. IMC J702-1 3.1 VDC 3. Ensure gasket drain holes remain aligned with the front tub drain holes. IMC J101-4 4. Attach the outside gasket clamp lip to the outside DC GND lip of the front tub.

  • Page 44: Control Panel Removal

    Control Panel Removal 1. Remove the cycle select knob by pulling it for- ward. 2. Remove the knob retainer by pulling it forward. 3. Remove the dispenser drawer by pulling drawer outward while pressing down on the drawer release. Drawer Release 6.

  • Page 45: Ui Board Strip Circuit

    Appliance Model Number Model ID # 5/16” Hex GFWR4800F / GFWR4805F 5/16” Hex 5/16” Hex GFWS3600F / GFWS3605F GHWS2600F / GHWS2605F 5/16” Hex GFWS2500F / GFWS2505F 5/16” Hex 5/16” Hex GFWS3700F / GFWS3705F 4. Remove the UI board. UI Board Strip Circuit +12 VDC IMC J603-4 IMC J101-3...
  • Page 46 Rear Clip Button Tree (D) Lift button tree to remove, no clips used. Front Clip Rear Clip Front Clip Button Tree (D) Front Clip Button Tree (E) Button Tree (B) Push the button tree toward the bottom of the con- 1.

  • Page 47: Imc Board

    IMC Board Removal IMC Board 1. Disconnect power to the unit. 2. Remove the control panel. (See Control Panel Removal) 3. Remove the top panel. (See Top Panel Removal) 4. Remove the three 1/4” IMC screws. 1/4” Hex 1/4” Hex Operating Voltage: 120 VAC Location: See IMC Board Location on page 35.

  • Page 48: Rj45 Board

    RJ45 Board Strip Circuit IMC Board IMC J101-3 IMC J103-4 Pressure Sensor IMC J103-3 IMC J103-2 Pressure Sensor Hose IMC J101-2 IMC J103-1 UI Board +12 VDC RJ45 J203-1 UI J201-8 UI J201-5 +12 VDC +7.5 VDC UI J201-2 RJ45 J203-2 COMM COMM UI J201-7...

  • Page 49: Top Panel

    Top Panel Front Panel Hinge Stiff ener Bracket Location: See Top Panel Location on page 34. Front Panel Top Panel Removal 1. Remove the control panel. (See Control Panel Removal) 2. Remove the four 1/4” hex head top panel screws. Location: See Front Panel Location on page 34.

  • Page 50: Rear Panel

    7. Remove the three 1/4” hex head screws on the Rear Panel bottom of the front panel. 8. Remove the four 1/4” hex head screws on the top of the front panel. Rear Panel Removal 9. Lift the front panel slightly upward and pull for- 1.

  • Page 51: Riser

    Riser 9/16 Hex 9/16 Hex 9/16 Hex 9/16 Hex Location: See Riser Location on page 34. Front Tub The riser is an integrated part of the washing machine and cannot be permanently removed. The Overnight Dry Filter purpose of the riser is to add an additional 7 inches of height to the washer.
  • Page 52 4. Remove the front panel. (See Front Panel) 9. Pull the glass clean hose and recirculation hose 5. Remove wire tie (A) and cut the two wires ties (B) (if present) out of the wire ties on the front brace from the top brace.

  • Page 53: Inner Tub

    Balance rings contain food grade silicone and Inner Tub several steel ball bearings that counteract unbal- anced loads by shifting the liquid and ball bearings to the opposite side of the unbalance weight. If a balance ring has leaked, an oily residue can Basket Rear Balance Ring be felt on the wash basket and clothing.

  • Page 54: Baffl E

    Baffl e 5/16” Hex Clamp Screw 5. For overnight dry models, remove the overnight Location: See Baffl e Location on page 37. dry fi lter from the collar. 6. For non-overnight dry models, follow instruc- Baffl es are secured to the inner tub with locking tions in the Baffl...

  • Page 55: Rear Tub

    Rear Tub Heater Connections Thermistor Harness Rear Bearing O-Ring Seal Rear Tub 11. Remove the four 1/4” bottom rear brace screws and set the bottom rear brace aside. Sump Collar 1/4” Hex 1/4” Hex Location: See Rear Tub Location on page 37. 1/4”...

  • Page 56: Drive System

    Drive System Note: The rotor is hard to remove because of the Rotor interaction of the rotor magnets with the stator, rock the rotor back and forth while pulling it forward. Stator Phase 2 Phase 1 Operating Voltage: 3 Phase DC Location: See Rotor Location on page 36.

  • Page 57: Stator Strip Circuit

    Stator Strip Circuit IMC J1203A - 4 IMC J101-3 IMC J1203A - 3 IMC J1203A - 2 IMC J101-2 IMC J1203A - 1 1/2” Hex 1/2” Hex Stator Diagnostics Stator voltage cannot be tested. If there are any problems detected with the stator, the inverter will stop supplying voltage to it.

  • Page 58: Hall Sensor

    3. Press the Start key. Hall Sensor 4. Press and hold the door switch and wait for “000“ to appear in the display. 5. Rotate the wash basket by hand in either direc- tion. As the basket spins, the RPM value will be Harness Connector displayed in the display.

  • Page 59: Fill System

    Fill System Water Valve Assembly Water Valve Strip Circuit IMC J702-1 Switched L1 IMC J702-3 Switched L1 Cold Solenoid IMC J702-2 Steam Solenoid Switched L1 Hot Solenoid IMC J101-4 To Neutral Water Valve Tests • Enter service mode. • Run Test 04 for the hot water valve. •...

  • Page 60: Pressure Sensor

    Pressure Sensor Chart Pressure Sensor Water Level Amount of Frequency Name water in basket Mounting Clip Empty 44.67 Hz Steam Reset -0.4” 43.68 Hz Steam Set 0” 43.45 Hz Foam Reset .68 “ 43.02 Hz Foam Set 1.47” 42.54 Hz Grey Main Reset 1.86”...

  • Page 61: Heater

    Heater Tests 1. Enter service mode. 2. Run Test 13. 3. Verify heater operation by watching the thermis- tor temperature on the display. Heater Diagnostics Hose Connection 1. Operate the heater in service mode. 2. Check current draw on the wire connected to IMC J803 pin 2 (navy with white tracer).

  • Page 62: Thermistor

    Thermistor Dispenser Assembly Flow Restricter O-Ring Operating Voltage: 5 VDC Location: See Dispenser Assembly Location on page Resistance: See Chart Below Location: See Thermistor Location on page 36. The dispenser assembly is used to dispense deter- Thermistor Chart gent, bleach and fabric softener into the wash load. 36.5 k 32 °F Additives are placed in the detergent dispenser...

  • Page 63: Dispenser Assembly Tests

    Dispenser Assembly Tests 1. Enter service mode. 2. Run Test 8. 3. Verify diverter moves to each position, see diagram below. 7. Using a large fl at blade screwdriver, pry the vent tube off the dispenser body. Dispenser Assembly Diagnostics See Diverter Motor Assembly Diagnostics.

  • Page 64: Diverter Motor Assembly

    Diverter Motor Assembly Strip Circuit Diverter Motor Assembly Diverter Motor IMC J701-6 Switched L1 IMC J101-2 To Neutral Position Switch IMC J501-7 +5 VDC Motor Operating Voltage: 120 VAC IMC J501-2 To Sensing Circuits Motor Resistance: 1.4 kΩ Switch Operating Voltage: 5 VDC Location: See Diverter Motor Assembly Location on Diverter Motor Assembly Tests page 35.

  • Page 65: Diverter Motor Assembly Removal

    of the diverter motor connector as the motor is rotating. a. If voltage is switching between 5 VDC and 0 VDC and the diverter runs continuously, re- place the IMC board. b. If voltage is a constant 5 VDC or 0 VDC, re- place the diverter assembly.

  • Page 66: Wash System

    Wash System 3. Press the Start key to begin the test. Drain Pump 4. The door locks and the cold water valve is turned on. The control will fi ll to the main water level, and then turn off the valve. Drain Pump Diagnostics 5.

  • Page 67: Recirculation Pump

    sump hose. Recirculation Pump 10. Remove the two 1/4” pump housing mounting screws. 1/4” Hex 1/4” Hex Operating Voltage: 120 VAC Resistance: 14.8 Ω Drain Pump Location (Front View) 11. Slide the pump housing backward to disengage the front locator pins. Drain Pump Recirculation Pump Locator Pin...
  • Page 68 Recirculation Pump Tests The overnight dry fan is used when the Overnight 1. Enter service mode. Dry feature is selected. Overnight dry is intended for 2. Run Test 26. smaller loads only and is not available on all cycles. 3. Press the Start key to begin the test. 4.
  • Page 69 1/4” Hex OND Hose Tab 7. Remove fan and housing from rear brace and pull the fan motor out of fan housing.

  • Page 70: Schematic

    Schematic...

  • Page 71: Index

    Index Adaptive Vibration Control Drain Pump Removal Baffl e Drain Pump Strip Circuit Baffl e Removal Drain Pump Tests Balance Ring Drive System Balance Ring Removal Electrical Specifi cations Button Tree Electronic Board Pin Outs Button Tree Removal Fault Codes Component Locator Views Faults 1-9 Consumer Mode...
  • Page 72 Pressure Sensor Removal UI Board Tests Pressure Sensor Strip Circuit Wash System Pressure Sensor Tests Water Valve Assembly Product Operation Water Valve Removal Rear Panel Water Valve Strip Circuit Rear Panel Removal Water Valve Tests Rear Tub Rear Tub Removal Recirculation Pump Recirculation Pump Diagnostics Recirculation Pump Removal...

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