Whirlpool Oven F4 E6 — What It Means & How to Fix It
Also shown as F4E6 on some models.
F4 E6 points to the microwave wave guide temperature sensor or its wiring; reset power and call service.
What this code means
Whirlpool says there may be a problem with the microwave wave guide temperature sensor, or the associated wiring.
Combination wall ovens.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Wave guide sensor fault | Common | No — technician job |
| Wiring fault | Occasional | No — technician job |
| Running the microwave empty | Occasional | Yes — avoid |
What you can try yourself
- Stop the microwave and let it cool.
- Reset the breaker.
- Monitor.
- Service on a repeat.
When to call a technician
- Repeat code.
- Sparking inside.
- Burnt wave guide cover.
Typical professional repair cost: About $120–$300.
Frequently asked questions
What is the wave guide?
The channel that carries microwave energy into the cavity.
What does F4 E6 mean?
A possible wave guide temperature sensor or wiring problem.
Reset?
Breaker off one minute.
Sources checked
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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