This blog post explains how to enter the service mode on your GE GFWR4805FMC washer to perform diagnostic tests.

Service Mode on your GE GFWR4805FMC Washer
How to Enter the Service Mode on your GE GFWR4805FMC Washer

Important Note: Before entering service mode, make sure the washer is empty and the door is closed.

GE GFWR4805FMC Washing Machine: Accessing and Using Service Mode

This guide explains how to access and use the service mode on your GE GFWR4805FMC washer to perform diagnostic checks

Understanding Idle State of GE Washer

To enter service mode, your GE GFWR4805FMC washer needs to be in the “Idle State.” This means the washer is completely off and not in the middle of a cycle. Ensure it’s turned off but remains plugged in before attempting the button sequence.

To ensure this:

  1. Turn off the washer using the Power button.
  2. Do not press any buttons or adjust settings.

How to Enter the Service Mode on your GE GFWR4805FMC Washer

  1. While the washer is off, press the following button sequence in order:
    • Rinse -> Delay Wash -> Rinse -> Delay Wash.
  2. If you press the wrong button or press them out of order, start over from step 1.
  3. If successful, the washer will enter service mode and display “Test 01” by default.
Service Mode on your GE GFWR4805FMC Washing Machine

Service Mode Tests

The service mode offers various tests to diagnose potential issues with your washer. Refer to the table below for a summary of these tests:

Test NumberDescription
01LED and Door Check
02Model Number Display
03User Interface Software Version
04Hot Water Valve Check
05XML Version Check
06Cold Water Valve Check
07Main Control Board Software Version
08Dispenser Test
09Inverter Software Version
10Tumble Test (agitation)
11Spin Test
12Drain Pump Check
13Heater Check
14Door Lock Test
15Out-of-Balance Test
16Pressure Sensor Test
17Flow Meter Test
18User Interface: Critical Software Version
19Main Control Board Critical Software Version
20Inverter Critical Software Version
21View Error Codes
22Clear Error Codes
23Clear EEPROM (washer’s memory)
24Slow Ramp Test (gradual spin increase)
25Low-Flow Water Valve Check
26Recirculation Pump Test
27Overnight-Ready Test
List of Service Mode Tests and Descriptions
Important Caution Regarding Test 23 (Clear EEPROM)

Test 23 (Clear EEPROM) should never be used unless you are a qualified appliance technician with the proper tools. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores essential washer settings and data. Clearing it without the ability to rewrite it using a GE service diagnostic tool can render your washer inoperable.

Exiting Individual Tests

  • To exit a test, simply turn the knob to select a different test number.
  • If water is in the washer, it will drain before exiting.
  • The washer will return to test selection mode.

Navigating Service Mode Tests

  • Turn the knob counter-clockwise to decrease the test number.
  • Turn the knob clockwise to increase the test number.
  • Press Start/Pause to begin the selected test.

Exiting Service Mode

  • Press the Power button to return to the idle state.
  • The washer will automatically exit service mode after 30 minutes of inactivity.
  • You can also exit by unplugging the washer.
  • Upon exiting service mode, the door will unlock, any water will be drained, and the washer will turn off.

Compatible Washer Models

This service mode applies to the following GE front-load washer models:

  • GFWS2500
  • GFWS2600
  • GFWS2600F0WW
  • GFWS2600FWW
  • GHWS3600
  • GHWS3600F0WW
  • GFWS3700
  • GFWR4800
  • GFWR4800F2WW
  • GFWR4800F0WW
  • GFWS2505
  • GFWS2605
  • GFWS2605FMC
  • GHWS3605
  • GHWS3605FRR
  • GHWS3605F0RR
  • GFWR4805
  • GFWR4805FMC
  • GFWR4805F0MC


In conclusion, the service mode on your GE GFWR4805FMC washer can be a valuable tool for diagnosing problems. However, it’s crucial to use caution and avoid functions like Test 02, 03, 05, 07, 18, 19, 20, and 23 unless you’re a qualified technician. Refer to this guide whenever you need to enter service mode and run diagnostic tests on your GE washer.

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