Safety first: Unplug the appliance and let it cool before opening.

Steps to restore fan operation:

Visual check: Start a short cycle and look through the top or rear vents (without touching). If the fan does not spin, stop and unplug the unit.
Inspect for obstructions: Remove the basket and check for food or foil stuck in the fan guard. Clear any debris.
Access fan motor: Remove the cover to reach the convection fan motor. Check that the fan is firmly attached to the shaft.
Spin test: Manually spin the fan. If it is stiff or seized, the motor is likely defective and must be replaced.
Check wiring: Ensure the motor connector is fully seated on the main PCB and that wires are intact.
Replace motor or PCB: Replace the convection fan motor if it is open or seized. If the motor tests good but never receives voltage, the main control PCB fan driver may be faulty.

Warning: Do not operate the air fryer with a non-functioning fan; this can cause overheating and damage.

Air fryer fan does not run; unit may heat but air circulation is poor and food cooks unevenly.

Possible Causes