KitchenAid Oven Error Code F46

F46 indicates that the oven's control board has detected the main relay in a stuck condition, meaning the relay is not responding correctly to on or off commands. The main relay controls power delivery to the primary heating elements. This fault is a safety-related shutdown and the oven should not be used until the relay or control board is inspected and repaired.

No, the oven should not be operated with an active F46 fault. A relay stuck in the closed position can cause heating elements to receive power even when the oven is commanded off, creating a risk of overheating or fire. Turn the oven off and disconnect power until the fault is resolved.

Repair costs depend on whether the fault requires a new control board, a relay component repair, or only a wiring correction. Control board replacement on KitchenAid ovens typically falls in the range of $200 to $500 or more including parts and labor, while a wiring repair or connector fix would be considerably less. Getting a diagnostic quote from a technician before authorizing parts is recommended.

Diagnosing F46 requires isolating the relay circuit and testing the control board, which involves working with line-voltage components. Experienced DIYers comfortable with appliance electronics can inspect wiring connections and visually assess the control board for burned components. However, replacing the control board or relay typically requires correct part sourcing and safe handling of high-voltage circuits, so many homeowners prefer to have a qualified technician complete the repair.

A power reset by switching off the circuit breaker for one to two minutes may temporarily clear the displayed code, but if the main relay is physically damaged or the control board has a genuine fault, the error will return. A reset alone does not fix the underlying component failure, and the oven should still be inspected before resuming use.