LG Cavity Light Failure

LG air fryer interior light (if equipped) does not turn on during cooking.

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Possible Causes

Burned-out LED or bulb, Loose light connector, Failed light driver circuit on main PCB, Door switch not signaling light on

How to Fix / Troubleshooting

Safety first: Unplug the unit before accessing the light assembly.

Steps to restore interior light:

  • Confirm feature: Verify that your LG model includes an interior light and under what conditions it should turn on (door open, cooking, etc.).
  • Access light module: Remove the inner cover or lens over the light. Inspect for obvious damage or discoloration.
  • Check connections: Ensure the light module connector is firmly attached and wires are intact.
  • Replace light module: If the LED or bulb is non-functional, replace the entire light module with an LG-compatible part.

Note: If the light still does not work after module replacement, the main control board’s light driver may be faulty.

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Repair Difficulty

Easy 2/5

Required Part

Cavity Light Module
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