Code overview
Content status: Verified
- Error code
- F3H
- Appliance
- Microwave
Reading F3H on a Maytag over-the-range microwave, plus when to call for service.
Model compatibility: Maytag reuses codes across series and model years, so F3H may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
What this code means
F3H
Maytag says F3H may point to a problem with the Humidity Thermistor or the associated wiring.
Over a Maytag range, a microwave showing F3H is reporting something about the Humidity Thermistor or the associated wiring.
The one-minute reset
Turn off the breaker(s) that supply the microwave, for one minute. Turn the breaker(s) on to bring the unit up. Wait one minute while monitoring for the code. Confirm that the microwave operates.
The F3H message
Maytag documents this for microwaves installed over the range.
Easily mixed-up codes
- F3T3 – hood temperature thermistor, a nearby code in the same family.
- Related: F3H1, which names the humidity sensor.
- Compare with F3T4, the magnetron temperature thermistor code.
Maytag microwave service near you
Maytag’s help text says a qualified technician may be needed when the code persists. Our Maytag microwave repair covers the Miami, New York, Houston, Los Angeles and San Diego metro areas: (844) 415-0954. See oven repair and have F3H ready.
Source: F3H – Error Code – Over-the-Range Microwave – Maytag Product Help
Safety warning
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Sources & references
Tell us what’s wrong — we’ll take it from there
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