Microwave displays E4 and will not start; this may be related to door or latch issues.

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

Misaligned door latch, Faulty door sensing switch, Broken latch bracket, Open circuit in wiring to door switch

Safety first: Unplug the microwave.

Inspect door alignment: Check that the door sits evenly and closes fully without lifting or pushing sideways.
Check latch hooks: Examine the plastic hooks on the door for cracks or wear. Replace the door latch assembly if damaged.
Access door switches: Remove the outer cabinet and control panel to reach the door switch assembly. Ensure switches are firmly mounted and actuated by the latch.
Replace faulty switch: If a door sensing switch is loose or defective, replace it and adjust the latch bracket as needed.

Hard 4/5

Door Latch and Switch Assembly

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