Emerson Cavity Lamp Failure

Microwave interior light does not come on, but the unit heats and runs normally.

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Possible Causes

Burned-out cavity bulb, loose lamp socket, failed lamp relay on control board.

How to Fix / Troubleshooting

Safety first: Unplug the microwave.

Bulb replacement:

  • Locate the lamp access cover (often behind the control panel or on the rear of the unit).
  • Remove the cover and carefully unscrew or pull out the old bulb.
  • Install a new bulb of the correct type and wattage specified by Emerson.

If a new bulb does not light, the socket or control board lamp circuit may be faulty and require technician service.

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Repair Difficulty

Easy 2/5

Required Part

Cavity Lamp
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