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
Copyright © 2014
All rights reserved. This service guide may not be reproduced in whole or part in any form without written
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

4
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

5
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

6
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

7
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

8
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

9
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.

10
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 **