Hi, How do initiate the diagnostic mode to get error code readouts for my older Whirlpool Duet Washer Model GHW9100LW2. Thank you, Chuck

DIAGNOSTIC TEST

The control must be in the OFF state before pressing the touch-pad sequence to start the test. Starting the test mode Close the door.

Press the Control On button. Select the DRAIN/SPIN cycle.

Select NO SPIN by pressing the SPIN SELECT button, as needed.

Push Prewash Option button four (4) times within five (5) seconds. C:00 will show in the display.

NOTE: If Model does not have PREWASH Mode as an option, press RINSE/HOLD.

If the Starting procedure fails, push PAUSE/CANCEL button. Then repeat the starting sequence.

To advance to the next step of the test procedure, push Prewash Option button two (2) times.

Refer to the chart below for the test sequence.