Cause
Check for objects around the door and door seal.
Make sure the Door Gasket is properly installed.
Solution
Troubleshoot the Door Lock Assembly.
DETAILS BELOW:
Location of The Door Switch
Operation of the Switch
On this model the Main PCB is very difficult to access, so the best way to troubleshoot the Door Switch, is with the door assembly opened, so the connector can be reached.
Remove the protective cover, if needed.
The pin numbers located in the service manual, (page 52) are on the rear of the Door Switch, but here they are marked (with corresponding wire color), so you don’t have to remove the switch to test.
To check the resistance of the Switch:
With the unit powered on you will see 120Vac across the YL to RD wires.
When Start is pressed there will be an impulse voltage momentarily across RD and BL.
When the door is closed and locked there will be 120Vac across BL and OR, sending a signal back to the Main PCB. If the Main PCB does not see this voltage, it will give an error.
