Kuppersbusch Oven Lamp / Lamp Holder Failure

Oven light does not work, but oven heats normally.

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Possible Causes

Burnt-out oven bulb, corroded lamp holder contacts, faulty oven light switch or relay, broken lamp glass cover

How to Fix / Troubleshooting

Safety first: Switch off power before changing the bulb to avoid electric shock and burns.

  • Replace bulb: Unscrew or unclip the glass cover over the oven lamp. Replace the bulb with a high-temperature oven-rated bulb of the correct wattage and base type.
  • Inspect holder: Check the lamp holder for corrosion or heat damage. Clean contacts gently if corroded.
  • Test operation: Restore power and test the light. If it still does not work, the light switch or control relay may be faulty.
  • Further diagnosis: On electronic models, test for voltage at the lamp holder when the light is commanded on. If no voltage, the control board or light switch may need replacement.

Tip: Do not exceed the specified bulb wattage; higher wattage can overheat the lamp housing.

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Repair Difficulty

Easy 2/5

Required Part

Oven Lamp Bulb
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