Microwave shows E19 and interior light does not come on when door opens; unit may not 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

Failed door monitor switch, Misadjusted door latch assembly, Broken door hinge causing misalignment, Damaged door switch bracket

Safety: Unplug the microwave before inspection.

Check door alignment: Ensure the door sits evenly and closes flush with the cabinet. Look for sagging or loose hinges.
Test light behavior: If the interior light never comes on when opening the door, the monitor switch or its wiring may be faulty.
Do not bypass switches: Never tape or bypass door switches; this is extremely dangerous.
Service: A technician should replace the door monitor switch or adjust/replace the latch assembly using Princess-specific parts.

Hard 4/5

Door Monitor Switch

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