Air fryer will not power on at all; no lights or display when plugged in.

Safety: Unplug the air fryer before any inspection. Do not open the unit while it is connected to mains power.

Steps to troubleshoot no-power condition:

• Check outlet and breaker: Test the wall outlet with another appliance. Reset any tripped circuit breaker or GFCI.
• Inspect power cord: Look for visible damage, cuts, or burn marks. If damaged, replace the power cord assembly.
• Open base: Remove the bottom cover to access the AC input and main control board.
• Check internal fuse: Locate the small glass or ceramic fuse on the main PCB near the AC input. Test it with a multimeter for continuity. Replace with the same type and rating if blown.
• Inspect wiring: Ensure the AC input wires are firmly attached to the board and strain relief is intact.
• Board evaluation: If the fuse is good but there is still no power, the low-voltage power supply on the main control board may have failed. Replace the main control board.

Warning: If the new fuse blows immediately, there is likely a short on the board or in the wiring; do not keep replacing fuses without finding the root cause.