Ariston
Door Switch or Lamp Control Fault
Oven interior light stays on all the time, even when door is closed and oven is off
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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.
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Possible Causes
Stuck or broken door switch, Misaligned door not pressing switch, Shorted lamp control triac on PCB
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing switches or PCB.
- Locate door switch: On many Ariston ovens, the door switch is near the front frame, actuated by the door.
- Test switch: Press the switch manually and listen for a click. Test continuity with a multimeter; it should change state when pressed. Replace if faulty.
- Check door alignment: Ensure the door fully engages the switch plunger. Adjust hinges or strike if necessary.
- PCB check: If the switch is good but the light remains on, the lamp control component on the PCB may be shorted. Replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Oven Door Switch or Main Control Board
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