Jenn-Air Range Error Code F1-N

The F1-N code means the range has detected an incorrect internal voltage at the slave microprocessor on the electronic control board. This is an internal board-level fault, not a sensor or external wiring problem. The control board is responsible for generating and supplying this voltage, so a failure in the board's internal power circuitry is the root cause. Replacing the control board is the prescribed corrective action.

An F1-N fault indicates a control board failure, which means the range may not operate correctly or predictably. It is advisable to avoid using the range until the control board is replaced. Operating the range with a compromised control board could result in incorrect oven temperatures, unresponsive controls, or other unsafe conditions.

Repair costs for an F1-N error depend primarily on the cost of the replacement control board and any labor charges if a technician is hired. Control boards for Jenn-Air ranges typically range from $150 to $400 or more depending on the model. Professional labor to diagnose and replace the board can add $100 to $200 to the total. Getting a parts quote specific to your model number before proceeding is recommended.

The F1-N error requires replacement of the electronic control board, which is a repair that a knowledgeable DIYer comfortable with appliance electronics can perform. The board is typically accessible from the rear of the range or behind the control panel, depending on the model. Since the fault is internal to the board's circuitry, there are no adjustments or external components to test first. Always disconnect power to the range before beginning any repair.

Power-cycling the range by unplugging it or tripping the circuit breaker may temporarily clear the F1-N code from the display. However, because the fault is caused by a failure within the control board's internal power supply circuitry, the error will return once the board is powered back up and the fault condition reoccurs. A reset is not a fix for this error code.