Whirlpool Range Error Code F1 E4: Meaning and Fix
Also shown as: F1E4, F1-E4
Reading the range display
On a range or oven the fault appears on the clock or oven display, often with a beep. Press Cancel or Clear once to silence it, and write the code down first. Whirlpool-family codes are usually read as a letter and number pair, with an E sub-code after it.
Whirlpool is the parent platform for Maytag, KitchenAid and Amana, so many of its control boards and fault codes reappear across those brands. Its panels typically report two-part codes such as F5 E2 or flash sequences on the keypad. The codes apply to model numbers such as GU980SCGB2, GU980SCGQ2 and GEW9200LW0; check the label on your unit to confirm yours.
What causes F1 E4
- Magnetron is weak or has failed
- High-voltage diode or capacitor is shorted or open
- Relay or driver circuit on the control board is not closing
- High-voltage transformer or inverter board has failed
How to fix it
- Cycle the power: turn the range or oven breaker off for one minute, switch it back on, and run the function that showed the code.
- Before opening any panel, switch off the breaker or unplug the appliance; this circuit can carry line voltage.
- Unplug the microwave and wait at least five minutes; the high-voltage capacitor can hold a dangerous charge.
- Do not remove the cabinet to probe the high-voltage section unless you are trained; the capacitor can be lethal.
- Have a technician test the magnetron, diode, capacitor and transformer using safe discharge procedures.
- Replace the failed component, or weigh the repair cost against a new microwave on inexpensive units.
- Run a full short cycle or function again and confirm the code stays gone before putting the appliance back into normal use.
Parts you may need
| Part | Part no. | Buy |
|---|---|---|
| Control Assembly Lcx | W11567368 | Find part |
Part numbers are OEM references; confirm fit by your model number before ordering. Some links are affiliate links; we may earn a commission at no extra cost to you.
Questions
What does F1 E4 mean on a Whirlpool range or wall oven?
It is a fault code from the Whirlpool control. It indicates a problem with the microwave power section. A power reset is the first thing to try.
Can I keep using the range or wall oven while it shows F1 E4?
Stop using it until it has been checked. This fault involves heat, high voltage or sealed-system parts, and running it can damage the appliance or create a safety risk.
Do I need a technician to clear F1 E4?
Often yes. Part of this repair means testing live circuits or replacing a control board, so a technician is the safer choice unless you are comfortable with electrical diagnosis.
Other Whirlpool range codes
Sources
Part numbers are OEM references; confirm fit by your model number before ordering. Meanings compiled from manufacturer and parts-retailer documentation; see sources below. Unplug the appliance before opening it.
Applies to models including RS630PXK0, SF385PEEQ0, SF315PEKW0, RF111PXSQ0, SF368LEPS0, RS6300XKW0, SF368LEPS1, RF3020XKQ1.