Whirlpool Oven F1 E3 — What It Means & How to Fix It
Also shown as F1E3, F1 E4, F1E4 on some models.
F1 E3 points to the microwave appliance manager and F1 E4 to the microwave appliance manager or power relay; reset power and call service for either.
What this code means
Whirlpool says F1 E3 may be a problem with the microwave appliance manager, and F1 E4 with the microwave appliance manager or microwave power relay — in both cases "or the associated wiring".
Combination wall ovens with a built-in microwave.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Microwave control board fault | Common | No — technician job |
| Power relay fault (F1 E4) | Common | No — technician job |
| Glitch | Occasional | Yes — breaker reset |
What you can try yourself
- Stop using the microwave.
- Reset the breaker for one minute.
- Monitor.
- Schedule service on a repeat.
When to call a technician
- Repeat code.
- Microwave will not heat.
- Microwave runs with the door open — breaker off.
Typical professional repair cost: About $250–$500.
Frequently asked questions
What does F1 E3 mean?
A possible problem with the microwave appliance manager or wiring.
And F1 E4?
The microwave appliance manager or microwave power relay.
Can I open the microwave?
No — high-voltage parts inside.
Sources checked
- Whirlpool Product Help: F1 E3 - Error Code - Wall Oven
- Whirlpool Product Help: F1 E4 - 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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