Error code reference

Maytag Washer Error Code 4

Door lock failure

Door lock failure - door-locked switch circuit is open after a cycle has been successfully started, most commonly caused by a failed bi-metal device tested approximately 90 seconds from cycle start.

First step from the service manual

Check bi-metal device in door lock assembly.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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