LG
Electrical Short / Ground Fault
LG air fryer trips the household circuit breaker or GFCI when turned on.
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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
Shorted heating element to chassis, Damaged power cord, Moisture inside unit causing leakage, Shorted main control board component
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping breaker. Unplug the air fryer before inspection.
Steps to investigate tripping:
- Dry the unit: If the air fryer was recently cleaned or exposed to moisture, allow it to dry for 24 hours in a warm, dry area before retesting.
- Inspect cord and plug: Look for cuts, crushed sections, or burn marks. Replace the cord if damaged.
- Test heater to ground: With the unit unplugged and heater leads disconnected, measure resistance from each heater terminal to the metal chassis. A low resistance indicates a ground fault; replace the heater.
- Check for visible shorts: Inspect the main PCB and wiring for burnt spots or melted insulation. Replace damaged components or wiring.
Note: Persistent breaker trips after basic checks require professional diagnosis to ensure safety.
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Repair Difficulty
Professional Required
5/5
Required Part
Heating Element Assembly
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