Balay Stuck Door Sensing Switch or Lamp Relay

Microwave light stays on even when the door is closed and no program is running.

Safety Warning

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

Door sensing switch stuck in open-door position,Welded lamp relay contacts on control PCB,Shorted wiring in lamp circuit,Misaligned door latch not actuating switch

How to Fix / Troubleshooting

Safety: Unplug the microwave to prevent overheating of the lamp and internal components.

User-level checks:

Open and close the door several times to see if the light turns off.
Inspect the door for proper alignment and closure.

Technician-level:

Test the door sensing switch for correct operation and replace if stuck.
Check the lamp relay on the control PCB; if contacts are welded closed, replace the control board or relay as per Balay procedures.

Repair Difficulty

Hard 4/5

Required Part

Door Sensing Switch

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