First check the door latch switch.
1. Open and close door, and then press Start/Resume key.
2. Unplug dishwasher or disconnect power.
3. Measure resistance of door switch contacts while checking mechanical operation of latch assembly.
Check the resistance of the door switch with a
multimeter. Should be less than one ohm. High ohms=bad switch.
(click to enlarge)
Here's the door latch switch assembly for your model you can order if yours is bad:
Door Latch WPW10653840
There is a video in the door latch switch part link that shows you how to remove it and replace it.
If the door latch switch is good,
Do this below:
- Unplug dishwasher or disconnect power.
- Disassemble door and disconnect keypad connection from control board or LCD display module.
- Verify all other connections to control board are made.
- Reassemble door, but do not close door.
- Plug in dishwasher or reconnect power.
- Wait at least 7 seconds for control board to power up completely.
- Close dishwasher door and monitor control board response:
A. If control board is OK, it will respond by turning on the drain motor for 2 minutes. Replace control panel keypad.
B. If control board is not OK, it will not turn on drain motor. Wait for at least 10 seconds. If there is still no drain response, then replace control board or LCD display module (whichever one the keypad was connected to).
Here's the control panel keypad assembly for your model, if needed:
W10903576 Panel-Cntl
Here's the control board for your model, if needed:
Cntrl-Elec W10909703
