Café Door Switch / Relay Stuck Closed

Microwave interior light, fan, and turntable run when the door is closed, even without pressing START.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Stuck relay on main control board, Shorted door switch, Miswired door switch harness, Control board failure

Safety warning: This is a serious safety issue because the microwave may energize unexpectedly. Unplug the unit immediately.

Steps:

Disconnect power: Unplug the Café microwave or turn off the breaker and do not use it.
Do not attempt to run: Do not test further by plugging in and out repeatedly.
Service required: A technician must test the door switches and main control board relays, and replace the faulty switch assembly or control board.

Professional Required 5/5

Main Control Board

Check Price on Amazon

We may earn a commission from links on this page.