Customer Questions and Answers for Washer Water Level Pressure Switch by Whirlpool

Hello Tony, thank you for contacting AppliancePartsPros.com
On this style the issue is more likely to be with the timer WPW10175557 than the pressure switch WPW10231402, but the pressure switch and system are worth checking.
To test the pressure switch, unplug the washer, access the switch in the console, and remove the wires from it.
With the tub empty, there should be continuity from where the violet wire was to where pink was, and no continuity between where violet and
tan were.
With the tub full, there should be continuity from violet to tan and no continuity from violet to pink. You can simulate a full tub by disconnecting the pressure hose and blowing into the port on the pressure switch until you hear a pop or click, if you maintain that pressure the switch should be closed and reading continuity between where violet and tan were.
I would also blow into the pressure hose going to the tub to check for clear passage, you may need to clean out the port on the tub if it seems restricted.
If all of that seems to be good then the issue is with the timer.

Hello Tony, thank you for contacting AppliancePartsPros.com
We will need the model # to help in diagnosing this issue, please resubmit your question with the model #, thank you.

Hello John. It sounds like the pressure hose is clogged or the pressure switch is bad. Blow through the hose to make sure it is clear.

Steve, it could either be the water level switch WPW10231402 or the water inlet valve WPW10144820. An easy way to test to see which part is bad you can start the washer and remove the power to it. If it continues to overfill you'll need to replace the inlet valve. If it stops filling you'll need to check to make sure the hose running from the tub to the pressure switch isn't kinked or clogged and replace the water level switch. Hope this helps you. Thanks.