Microwave error codes
Microwave fault codes documented for Whirlpool-family brands. Where one code has more than one meaning, each is listed with the appliance type it applies to.
| Code | Meaning | Appliance | Brand pages |
|---|---|---|---|
| F1E0 | User interface failure F1E0 on this built-in model means the control detected a failure of the user interface (display and keypad) electronics. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F1E1 | Main control relay failure F1E1 on this model means the main control (ACU) detected a failure of one of its own relays. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F1E4 | Microwave power relay error F1E4 means the control detected a problem with the relay on the main control that switches power to the microwave's high-voltage circuit, for example a relay whose… | Built-in microwave, Over-the-range microwave | Whirlpool, KitchenAid |
| F1E4 | Main control (ACU) failure F1E4 means the microwave's main control (ACU) reported an internal failure on this platform. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana, Admiral |
| F1E5 | Microwave inverter error F1E5 on this built-in model means the control detected a fault in the inverter, the electronic power supply that drives the magnetron. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F1E6 | Microwave generation error F1E6 on this built-in model means the control commanded microwave power but did not detect that microwave energy was being produced. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F2E0 | Keypad disconnected F2E0 on this built-in model means the control cannot detect the keypad at all, as if it were unplugged. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F2E1 | Stuck or shorted key F2E1 means the control sees a key on the touch panel or keypad as pressed continuously, which it treats as a stuck or shorted key. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana, Admiral |
| F3E3 | Meat probe failure F3E3 means the control is reading an invalid temperature from the meat probe circuit. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F3E8 | IR sensor communication failure F3E8 means the control lost valid data from the infrared (IR) food-temperature sensor. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F4E1 | Cavity temperature sensor failure F4E1 means the control is getting an impossible reading from the oven-cavity temperature sensor used by convection, bake or similar modes. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana, Admiral |
| F4E2 | Magnetron temperature sensor error F4E2 on this built-in model means the control is getting an invalid reading from the sensor that monitors magnetron temperature. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F4E3 | Hood temperature sensor failure F4E3 on these newer models means the control found a fault in the hood (exhaust air) temperature sensor. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F4E4 | Humidity sensor error F4E4 means the control is getting an invalid reading from the humidity (steam) sensor that sensor-cooking programs rely on. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana, Admiral |
| F4E8 | Inverter over-temperature F4E8 on this built-in model means the control sensed that the inverter power supply was running too hot. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F4E9 | Inverter and magnetron over-temperature F4E9 on this built-in model means the control sensed that both the inverter power supply and the magnetron were running too hot. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F4E9 | Popcorn sound sensor error F4E9 means the control found a fault in the popcorn (smart pop) sensor, which listens for kernels popping to end the popcorn program. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana, Admiral |
| F4E9 | Microwave relay synchronization error F4E9 on these newer models means the main control found the microwave power relay out of step with what it commanded, often traced to cabling or the door interlock… | Built-in microwave, Over-the-range microwave | Whirlpool |
| F4EA | Toast temperature sensor failure F4EA means the control is getting an invalid reading from the temperature sensor used by the toast or crisp heating functions. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F5E2 | Open door error F5E2 means the door interlock signals the control received do not agree with a normal door-open or door-closed state. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F5E6 | Door error F5E6 means the control detected a door-switch problem; the documentation directs the technician to check the door interlock status. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F6E1 | Control-to-display communication fault F6E1 means the main control (ACU) and the display/keypad board (HMI) stopped communicating with each other. | Built-in microwave, Over-the-range microwave | Whirlpool |
| F6E8 | Lost communication with the microwave control F6E8 on this built-in model means the user interface lost communication with the microwave's appliance manager (main control). | Built-in microwave, Over-the-range microwave | KitchenAid |
| F6EA | User interface over-temperature F6EA on this built-in model means the control sensed that the user interface electronics were getting too hot. | Built-in microwave, Over-the-range microwave | KitchenAid |
| F8E5 | Exhaust air temperature sensor failure F8E5 means the control found a fault in the temperature sensor that monitors the exhaust air leaving the microwave. | Built-in microwave, Over-the-range microwave | Whirlpool, Maytag, KitchenAid, JennAir, Amana |