Skip to content
Appointment timing depends on ZIP code, route capacity, and appliance type.
Whirlpool kitchen and laundry repair. Clear estimates before any work begins.
Call (310) 448-6692

Whirlpool

Whirlpool Microwave F3T3 Error Code

Book a Repair (310) 448-6692
Maya Ortiz Written by Maya Ortiz Appliance Repair Content Specialist Published October 20, 2026

Whirlpool

Code overview at a glance.

The facts for this Whirlpool error, a plain-language snapshot, and what to confirm against your model number.

Error code F3T3
Appliance Microwave
Quick answer

What F3T3 means on a Whirlpool over-the-range microwave and how to try a power reset.

Model note: Whirlpool reuses codes across series and model years, so F3T3 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Whirlpool

What this code may mean.

A plain-language reading of the code — always confirm against your model’s documentation.

There may be a problem with the Hood Temperature Thermistor or the associated wiring.

F3T3 shows up, according to the product help, when the Hood Temperature Thermistor or the associated wiring may be at fault. It is a code for over-the-range microwave models.

Owner steps

  1. Power the unit down at the breaker, or unplug it, and wait one (1) minute.
  2. Plug the unit back in or flip the breaker on.
  3. Look for F3T3 again over a one (1) minute period.
  4. Confirm microwave operation.

A code that keeps coming back may need a qualified technician.

Nearby codes

  • F3T4 relates to the magnetron temperature thermistor as well.
  • F3T2: involves the convection thermistor.
  • F6 – another code about the relay control board.

Microwave repair help in Los Angeles

Los Angeles owners can phone (310) 448-6692 about this microwave. Before calling, note F3T3, the model number and the power reset you tried. The microwave repair page lists what is covered.

Source: Whirlpool Product Help: F3T3 – Error Code – Over-the-Range Microwave

Whirlpool

Safety warning before you continue.

Stop immediately if you notice smoke, sparks, a burning smell, gas odor, or water near electrical parts.

Important

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.

Whirlpool

Seeing this code on your appliance?

Book an Whirlpool appliance service visit for a clear estimate and approval before any repair.

Experienced technicians, clear diagnostics, and workmanship coverage on completed repairs.

Book a Repair (310) 448-6692

Whirlpool

Ready to restore your Whirlpool appliance?

Book a repair online or call us — clear estimates, approval before any work, and a workmanship warranty on completed repairs.

Book a Repair (310) 448-6692

Whirlpool

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.

Prefer to call? (310) 448-6692
  1. Share the symptom Tell us the Whirlpool model and what’s going wrong.
  2. Confirm a window We’ll schedule a visit that fits your day.
  3. Approve before work You get a clear estimate — nothing starts without your OK.
Phone (310) 448-6692
Email info@whirlpoollosangeles.support
Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Los Angeles County and Orange County.
Response time Appointment timing depends on ZIP code, route capacity, and appliance type.
(310) 448-6692 Book a Repair