Cosori Ground Fault or Overcurrent on Startup

Unit trips the household circuit breaker or GFCI when starting a cook cycle.

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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, Overloaded circuit shared with other appliances

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a breaker that trips immediately; this indicates a fault.

  • Step 1 – Try another circuit: Plug the air fryer into a different dedicated outlet (not GFCI if possible) to rule out a weak breaker.
  • Step 2 – Inspect cord: Check the power cord for cuts or crushed sections. Replace the power cord if damaged.
  • Step 3 – Dry the unit: If the unit was recently washed or exposed to heavy steam, allow it to dry for 24–48 hours in a warm, dry place.
  • Step 4 – Internal inspection (advanced): With the unit unplugged, inspect the heating element and wiring for contact with the metal chassis. Repair or replace any damaged insulation or components.
  • Step 5 – Replace shorted parts: Replace a shorted heating element or main control PCB if evidence of arcing or burning is found.
  • Stop if unsure: If you are not comfortable working with mains wiring, contact a qualified technician.
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Repair Difficulty

Professional Required 5/5

Required Part

Heating Element Assembly
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