Code overview
Content status: Verified
- Error code
- F3T4
- Appliance
- Microwave
Reading F3T4 on a Maytag over-the-range microwave, plus when to call for service.
Model compatibility: Maytag reuses codes across series and model years, so F3T4 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
F3T4
Maytag says F3T4 may point to a problem with the Magnetron Temperature Thermistor or the associated wiring.
Reading F3T4
Maytag over-the-range microwaves can display F3T4. The help entry says the fault may involve the Magnetron Temperature Thermistor or the associated wiring.
The manufacturer lists it for over-the-range microwave models.
Codes that look alike
The convection thermistor has its own code, F3T2. F3C: Maytag attributes it to the cavity temperature thermistor. F3H covers the humidity thermistor case.
What to do first
- Disconnect power at the circuit breaker and let one minute pass.
- Back on at the breaker.
- Check for a repeat of the error during one minute.
- Make sure it operates as expected.
Microwave service in our metro areas
Service for Maytag microwaves covers the Miami, New York, Houston, Los Angeles and San Diego metro areas. Call (844) 415-0954 and mention F3T4. Related work is described under oven repair; keep the model number ready.
Source: F3T4 – 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
Share a few details and we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.