It is a demo mode. It is activated by pressing two buttons by mistake. To get out of test mode and back to normal press the on/off button and the start/cancel button at the same time until 'd.Off' is displayed.
Craig Baker
June 2008
you have to turn on the washer then press the start/cancel button then the on and off button both together for a few seconds and then it will reset its self and it will ok
j norman
June 2008
I can answer this question...
what does test on the display mean . hotpoint wf640?