Whirlpool Microwave F3T2 — What It Means & How to Fix It
F3T2 points to the convection thermistor or its wiring; reset power for a minute and call service if the code comes back.
What this code means
Whirlpool says F3T2 may mean a problem with the convection thermistor or the associated wiring. The display may show it as F3.t2.
Whirlpool over-the-range microwaves with convection.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Convection thermistor fault | Common | No — technician job |
| Wiring fault | Occasional | No — technician job |
| Misread | Occasional | Yes — breaker reset |
What you can try yourself
- Let the oven cool.
- Reset power for one minute.
- Monitor.
- Service on a repeat.
When to call a technician
- Repeat code.
- Convection will not heat.
- Overheating.
Typical professional repair cost: About $120–$250.
Frequently asked questions
What does F3T2 mean?
A possible problem with the convection thermistor or its wiring.
Does microwave mode still work?
Whirlpool does not say.
Why does it show F3.t2?
That is how Whirlpool's article writes the display form.
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 Microwave E03 E03 — or a plain F2 — means the keypad reported a problem to the control board; reset power for one minute and call for service if it comes back.
- Whirlpool Microwave SE SE means there is a problem with the keypad (user interface) or its wiring — clean and dry the panel, reset power for a minute, and call service if SE remains.
- Whirlpool Microwave E11 E11 and E12 point to the microwave's gas sensor — the sensor used for automatic cooking — or its wiring; reset power for a minute, and expect to need a technician if it returns.
- Whirlpool Microwave E13 E13 means the oven did not pre-heat correctly, with a possible problem in the appliance control board or its wiring; reset power for a minute and call service if it repeats.
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