Webif your dishwasher is not working, but the display lights illuminate and button presses make sounds, this rules out the power source being the issue.
Listed below are a few.
Webif your dishwasher will not start, but has power (light or sound), then there are a few things you can do to get the dishwasher to run again.
Check the control lock feature.
There are a few things you can do to try to.
