There is a trouble shooting document behind the kick panel at the bottom of the machine. Follow the steps to determine which component is at fault. However corrosion may be causing this:
My whirlpool dishwasher gold GU2475XTVQ0 had rapid blinking lights that started with the "4 Hour Delay" LED and changed to others when other buttons were pressed. The machine would not run. I followed the instructions located behind the kick panel and verified the keypad was the issue and not the control circuit by elimination.
The big surprise for me was that when I used a straight pin to resistance check all of the buttons, they checked out OK. I reconnected the 14 pin connector (P1) to the control and found that the buttons/LEDs were behaving correctly! I believe that pushing the straight pin into the 14 pin connector removed any corrosion in the 10 year old device and permitted the keypad to communicate with the control again.
I reassembled the dishwasher door and it ran with no problems. I was ready to replace the keypad for $150, but didn't have to!
SOURCE: error soak and scour light comes on wont wash
press and hols start button until it resets then try again.
SOURCE: Cycle buttons work, option buttons dont, Cant deselect heated dry, Wont start
I had the same symptoms and the front panel was the fix
the part with the buttons on it
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