Haier Oven Cavity Light Circuit Failure

Haier oven light does not turn on when door is opened or when light button is pressed

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Possible Causes

Burned-out oven light bulb, Faulty oven door switch, Failed light relay on control board, Loose bulb socket connection

How to Fix / Troubleshooting

Safety first: Turn off power or unplug the range before replacing the bulb. Allow the oven to cool.

  • Replace bulb: Remove the light cover inside the oven, unscrew the bulb, and replace with a high-temperature oven bulb of the correct wattage.
  • Test door switch: Press the door switch plunger by hand and listen for a click. If it feels loose or does not click, test for continuity and replace if faulty.
  • Check socket: Inspect the bulb socket for corrosion or loose contacts. Tighten or replace as needed.
  • Control board: If the bulb, switch, and socket are good, the light relay on the control board may have failed and the board may need replacement.

Use only bulbs rated for oven use; regular bulbs can shatter from heat.

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Repair Difficulty

Easy 2/5

Required Part

Oven Light Bulb
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