Air fryer trips the household circuit breaker or RCD when turned on or during heating.

Safety first: Do not repeatedly reset the breaker. Unplug the air fryer and keep it unplugged until the fault is found.

Steps to diagnose tripping breaker:

• Check cord and plug: Inspect the power cord and plug for damage, burn marks, or loose prongs. Replace if any defects are found.
• Dry the unit: If the air fryer was recently cleaned with excessive water, allow it to dry for 24 hours in a warm, dry place before further testing.
• Insulation test (basic): With the unit unplugged, use a multimeter to check for continuity between each heater terminal and the metal chassis. Any continuity indicates a shorted heater that must be replaced.
• Inspect internal wiring: Open the housing and look for wires pinched between panels or rubbed through against metal edges. Repair or replace damaged sections.
• Control board inspection: Examine the main control PCB for burned components or carbon tracking that could cause shorts. Replace the board if damaged.

Warning: If you are not experienced with electrical testing, contact a qualified technician. Working on mains circuits can be lethal.