De Dietrich Door Switch or Light Circuit Fault

The interior light does not turn on when the door is opened, but the ice maker otherwise works.

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Possible Causes

Failed door switch, burned-out LED or bulb, loose light connector, faulty light driver on the PCB.

How to Fix / Troubleshooting

Safety first: Unplug the unit before working on the light or switch.

Steps:

  • Test door switch: Press the door switch manually and listen for a click. Test continuity with a multimeter; replace if faulty.
  • Check light module: Remove the light assembly cover and inspect the LED or bulb. Replace if visibly damaged.
  • Inspect wiring: Ensure the light connector is firmly seated and wires are intact.
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Repair Difficulty

Very Easy 1/5

Required Part

Door Switch
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