Whirlpool Oven F4 E1 — What It Means & How to Fix It
Also shown as F4E1, F4 E2, F4E2 on some models.
F4 E1 and F4 E2 point to a thermistor or microwave sensor, the (microwave) appliance manager, or the wiring; reset power and call service.
What this code means
Whirlpool says F4 E1 may be a problem with the thermistor, the appliance manager, or wiring, and F4 E2 with the microwave sensor/thermistor, the microwave appliance manager, or wiring.
Combination wall ovens.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Thermistor/sensor fault | Common | No — technician job |
| Appliance manager fault | Occasional | No — technician job |
| Wiring fault | Occasional | No — technician job |
What you can try yourself
- Let it cool.
- Breaker off one minute.
- Monitor.
- Service on a repeat.
When to call a technician
- Repeat code.
- Microwave cuts out.
- Overheating.
Typical professional repair cost: About $120–$400.
Frequently asked questions
What does F4 E1 mean?
A possible thermistor, appliance manager or wiring problem.
F4 E2?
The microwave sensor/thermistor or microwave appliance manager.
Reset?
Breaker off one minute.
Sources checked
- Whirlpool Product Help: F4 E1 - Error Code - Wall Oven
- Whirlpool Product Help: F4 E2 - Error Code - Wall Oven
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Whirlpool codes
- Whirlpool Oven F0 E0 F0 E0 on a Whirlpool wall oven appears when the electronic oven control cannot recognise what type of problem has occurred; reset the breaker for one minute and call service if it returns.
- Whirlpool Oven F1 E0 F1 E0 on a wall oven indicates a possible problem with the user interface (touchpad), the control, or the wiring — clean the panel, reset the breaker, and call service if it persists.
- Whirlpool Oven F1 E1 F1 E1 points to the oven appliance manager control — one of the oven's control boards — or its wiring; reset power and call service if it returns.
- Whirlpool Oven F1 E2 F1 E2 points to the microwave user interface on a combination wall oven, or its wiring; reset power and call service if it repeats.
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