F64 error code, upper oven fan or airflow fault on double-oven models.

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.

Possible Causes

Failed upper fan motor, Blocked airflow, Loose wiring to upper fan, Control board fan driver failure

Safety: Disconnect power.

Inspect upper fan: Access the upper oven fan from the rear or inside the cavity. Check that the blades spin freely.
Clear vents: Ensure rear and top vents are not blocked by cabinets or insulation.
Test motor: Check resistance and continuity of the upper fan motor. Replace if open or seized.
Check control output: If motor is good, verify voltage to the fan during operation (qualified persons only). If no voltage, replace the control board.

Hard 4/5

Upper Oven Convection / Cooling Fan Motor

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