GE GFWS2500 How to use

GE Appliances & Lighting

Technical Service Guide

October 2014

Louisville Built Front Load Washer

GFWS2500/GFWS2505

GFWS2600/GFWS2605

GHWS3600/GHWS3605

GFWS3700/GFWS3705

GFWR4800/GFWR4805

31-9236

GE Appliances & Lighting

General Electric Company

Louisville, Kentucky 40225

Safety Information

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 interpreta-

tion of this information, nor can it assume any liability in connection with its use.

Warning

To avoid personal injury, follow OSHA Lock-out Tag-out Standard requirements controlling and maintain-

ing a zero energy state. To perform necessary live power electrical diagnostics, electrical safety personal

protective equipment (PPE) and barriers must be utilized to comply with OSHA electrical safety require-

ments.

Reconnect all 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 returned to their original position and properly fastened.

GE Appliances & Lighting

Technical Service Guide

permission from the General Electric Company.

Table of Contents

Safety Requirements 7

Introduction 8

Nomenclature 9

Electrical Speciﬁcations 10

Tools Needed 11

Installation 12

Adaptive Vibration Control 12

Pedestal Installation 12

Product Operation 14

Diagnostics 20

Service Mode 20

Service Mode Entry 20

Service Mode Exit 20

Service Mode Tests 21

Consumer Mode 25

Consumer Mode Entry 25

Consumer Mode Navigation 25

Consumer Mode Exit 25

Fault Codes 26

Faults 1-9 26

Faults A-11 27

Faults 12-CB 28

Faults CC-D4 29

Faults D5-E8 30

Electronic Board Pin Outs 31

Component Locator Views 34

Top Panel Location 34

Front Panel Location 34

Riser Location 34

UI Board Location 34

Tub Lamp Location 34

Drain Clean Out Cover Location 34

Door Lock Assembly Location 34

Control Panel Assembly Location 34

Vent Tube Location 35

Diverter Motor Assembly Location 35

Water Valve Assembly Location 35

Dispenser Assembly Location 35

RJ45 Board Location 35

Overnight Dry Fan Location 35

Pressure Sensor Location 35

Top Counterweight Location 35

IMC Board Location 35

Stator Location 36

Heater Location 36

RJ45 Connection Location 36

Rotor Location 36

Hall Sensor Location 36

Thermistor Connector 36

Main Fill Hose Location 36

Thermistor Location 36

Vent Location 36

Tub and Basket Exploded View 37

Door Exploded View 37

Tub and Structure 38

Door Assembly 38

Door Assembly Removal 38

Door Frame 38

Door Frame Removal 38

Door Glass 39

Door Glass Removal 39

Door Hinge 39

Door Hinge Removal 39

Door Handle 40

Door Handle Removal 40

Door Cover 40

Door Cover Removal 40

Door Cover Protect 40

Door Cover Protect Removal 41

Door Lock Assembly 41

Door Lock Assembly Strip Circuit 41

Door Lock Assembly Tests 41

Door Lock Assembly Diagnostics 41

Door Lock Assembly Removal 42

Tub Gasket 42

Tub Gasket Removal 42

Tub Gasket Reinstallation 42

Tub Lamp 43

Tub Lamp Strip Circuit 43

Tub Lamp Diagnostics 43

Tub Lamp Removal 43

Control Panel 43

Control Panel Removal 44

UI Board 44

UI Board Strip Circuit 45

UI Board Tests 45

UI Board Diagnostics 45

UI Board Removal 45

Button Tree 45

Button Tree Removal 45

IMC Board 47

IMC Board Tests 47

IMC Board Diagnostics 47

IMC Board Removal 47

RJ45 Board 48

RJ45 Board Strip Circuit 48

RJ45 Board Removal 48

Top Panel 49

Top Panel Removal 49

Front Panel 49

Front Panel Removal 49

Rear Panel 50

Rear Panel Removal 50

Leveling Leg 50

Riser 51

Riser Removal 51

Front Tub 51

Front Tub Removal 51

Inner Tub 53

Inner Tub Removal 53

Balance Ring 53

Balance Ring Removal 53

Baﬄe 54

Baﬄe Removal 54

Rear Tub 55

Rear Tub Removal 55

Drive System 56

Rotor 56

Rotor Removal 56

Stator 56

Stator Strip Circuit 57

Stator Diagnostics 57

Stator Removal 57

Hall Sensor 58

Hall Sensor Strip Circuit 58

Hall Sensor Tests 58

Hall Sensor Diagnostics 58

Hall Sensor Removal 58

Fill System 59

Water Valve Assembly 59

Water Valve Strip Circuit 59

Water Valve Tests 59

Water Valve Removal 59

Pressure Sensor 60

Pressure Sensor Strip Circuit 60

Pressure Sensor Chart 60

Pressure Sensor Tests 60

Pressure Sensor Removal 60

Heater 61

Heater Strip Circuit 61

Heater Tests 61

Heater Diagnostics 61

Heater Removal 61

Thermistor 62

Thermistor Chart 62

Thermistor Tests 62

Thermistor Removal 62

Dispenser Assembly 62

Dispenser Assembly Tests 63

Dispenser Assembly Diagnostics 63

Dispenser Assembly Removal 63

Diverter Motor Assembly 64

Diverter Motor Assembly Strip Circuit 64

Diverter Motor Assembly Tests 64

Diverter Motor Assembly Diagnostics 64

Diverter Motor Assembly Removal 65

Wash System 66

Drain Pump 66

Drain Pump Strip Circuit 66

Drain Pump Tests 66

Drain Pump Diagnostics 66

Drain Pump Removal 66

Recirculation Pump 67

Recirculation Pump Strip Circuit 67

Recirculation Pump Tests 68

Recirculation Pump Diagnostics 68

Recirculation Pump Removal 68

Overnight Dry Fan 68

Overnight Dry Fan Strip Circuit 68

Overnight Dry Fan Tests 68

Overnight Dry Fan Diagnostics 68

Overnight Dry Fan Removal 68

Schematic 70

Index 71

Safety Requirements

Ge Factory Service Employees are required to use safety glasses with side shields, safety gloves and steel

toe shoes for all repairs.

Steel Toed Work Boot

Electrically Rated Glove and

Dyneema® Cut Resistant

Glove Keeper Dyneema® Cut Resistant Glove

Cut Resistant Sleeve(s) Plano Type Safety Glasses

Prescription Safety Glasses

Safety Glasses must be ANSI

Z87.1-2003 compliant

Brazing Glasses

WARNING

Prior to disassembly of the front load washer to access components, GE Factory Service technicians are

REQUIRED to follow the Lockout/Tagout (LOTO) 6 Step Process:

Step 1

Plan and Prepare

Step 4

Apply LOTTO device and lock

Step 2

Shut down the appliance

Step 5

Control (discharge) stored energy

Step 3

Isolate the appliance

Step 6

“Try It” verify the appliance is locked out

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

• User Interface (UI) Board - The UI board provides user interface and software instructions deﬁning

wash algorithms.

• Inverter Machine Control (IMC)) Board - The IMC board generates 3-phase DC voltage used to drive the

motor and contains the relays used to operate loads.

Inverter Controlled Direct Drive Motor

• Rotor

• Stator

• Hall Sensor

Dual Balance Rings

• Front Balance Ring

• Rear Balance Ring

Some Models have the following:

• LED Tub Lamp

• Recirculation Pump

• Overnight Dry Fan

• Integrated Riser

Model Summary Table

GFWS2500F

GFWS2505F

GFWS2600F

GFWS2605F

GFWR2700 /

GFWR2705

GHWS3600/

GHWS3605

GFWS3700 /

GFWS3705

GFWR4800F

GFWR4805F

Capacity 4.3 cubic ft 4.3 cubic ft 4.3 cubic ft 4.6 cubic ft 4.6 cubic ft 4.6 cubic ft

Rinse Levels 2 - normal/

extra

2 - normal/

extra

2 - normal/

extra

3- normal/

extra/max

3- normal/

extra/max

3- normal/

extra/max

Recirc Pump No No No No Yes Yes

Tub Lamp No No No Yes No Yes

Over night

Dry

No No No No No Yes

Integrated

Riser

No No Yes No No Yes

Nomenclature

G F W R 4 8 0 0 F W W

Brand

G - GE

P - Proﬁle

Conﬁguration

F - Front Load

Product

W - Washer

Key Feature

S - Standard

R - Riser

Options Package

Model Year

F - 2013

Color Code

WW - White

MC - Metallic Carbon

RR - Ruby Red

The ﬁrst two characters of the serial number identify the month and year of manufacture. The letter desig-

nating the year repeats every 12 years.

Example SD123456S = September 2014

A - JAN

D - FEB

F - MAR

G - APR

H - MAY

L - JUN

M - JUL

R - AUG

S - SEP

T - OCT

V- NOV

Z - DEC

A - 2013

D - 2014

F - 2015

G - 2016

H - 2017

L - 2018

M - 2019

R - 2020

S - 2021

T - 2022

V - 2023

Z - 2024

The Mini Manual is

located inside the control

panel. It is taped to the

back of the UI board.

The Model/Serial tag

is located on the front

panel behind the door.

Electrical Speciﬁcations

Component Operating Voltage Resistance Wattage Frequency

Diverter Motor Motor - 120 VAC

Position Switch - 5 VDC

1.4 kΩN/A N/A

Door Lock Solenoid 120 VAC 50 ΩN/A N/A

Drain Pump 120 VAC 14.8 ΩN/A N/A

Flow Meter 12 VDC N/A N/A N/A

Heater 120 VAC 14.6 Ω~1000 N/A

Overnight Dry Fan 12 VDC N/A N/A N/A

Pressure Sensor 5 VDC N/A N/A See Chart * Below

Recirculation Pump 120 VAC 14.6 ΩN/A N/A

Stator 3 Phase DC 16.6 Ωper

phase

N/A N/A

Thermistor 5 VDC See Thermistor

Chart

N/A See Chart ** Below

Tub Lamp 3.1 VDC N/A N/A N/A

Water Valve 120 VAC 1 kΩN/A N/A

Resistance Temperature

36.5 k 32 °F

14.7 k 68 °F

12.0 k 77 °F

9.8 k 86 °F

8.0 k 95 °F

6.6 k 104 °F

.5 k 257°F

Water Level Name Amount of

water in

basket

Frequency

Empty N/A 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

Main Reset 1.86” 42.30 Hz

Main Set 2.85” 41.71 Hz

Door Drain Reset 4.72” 40.57 Hz

Door Drain Set 5.47” 40.11 Hz

Overﬂow Set 10.56” 37.04 Hz

Frequency Chart * Thermistor Chart **

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