Whirlpool Duet Front-Load Washing Machine Diagnostic Tests

duet washing machine

The Whirlpool Duet front loading washing machine has a diagnostic test mode that can be used to help troubleshoot your washing machine's problem. This section of the Duet repair guide shows how to enter the diagnostic mode and understand common error codes for this Whirlpool washing machine!


sock Hazard

Whirlpool Duet Diagnostic Test Mode

NOTE: The control must be in the OFF state before pressing the touch-pad sequence to start the test.
1. Close the washer door.
2. Press the Duet Control On button.
3. Select the DRAIN/SPIN cycle.
4. Select NO SPIN by pressing the SPIN SELECT button, as needed.
5. Push Prewash Option button four times within five seconds.
C:00 will show in the display.
NOTE:  If your Duet washer model does not have PREWASH mode as an option, press RINSE/HOLD.
If the starting procedure fails, push PAUSE/CANCEL button.  Then try starting the sequence again.
To advance to the next step of the test procedure, push Prewash Option button two times.

Whirlpool Duet Diagnostic Test Overview

Indication

Control Action

Actuators to be Checked

C:00

Washer Door is Locked

Washer Door Lock System

C:01

Filling with cold water inlet valve

Duet washer flowmeter, Cold water inlet valve

C:02

Distribution system is set to Prewash position

Dispenser motor,
Dispenser contact

C:03

Fill with hot water inlet valve

Hot water inlet valve

C:04

Duet washer basket rotates clockwise at wash speed

Duet washer Motor, MCU control

C:05

Washer's heater is switched ON.
Basket rotates clockwise with wash speed. If there is not enough water in the tub, the water inlet valve will be switched ON to fill-in the minimum water quantity.
NOTE:  On GHW9100 Models only the Temperature Sensor will be checked

Duet washer Heater, Temperature Sensor

C:06

Duet drain Pump is ON

Duet washer Drain Pump

C:07

Duet washer basket rotates counterclockwise
from 35 to 90 rpm
within 15 seconds

Duet washer Motor, MCU control

C:08

Basket rotates counterclockwise
with max. speed
Basket speed > 1100 rpm

Duet washer Motor, MCU control

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