F3T2 means a possible convection thermistor or wiring problem.
Model compatibility: KitchenAid reuses codes across series and model years, so F3T2 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
Possible problem with the convection thermistor or its wiring.
What F3T2 means
With F3T2 on a KitchenAid microwave, the support article points to the convection thermistor or its associated wiring as a possible problem.
At a glance
| Code | F3T2 |
|---|---|
| What it means | Possible problem with the convection thermistor or its wiring. |
| What you can check | Cut power at the breaker for 60 seconds, restore it, and spend one minute checking the display. Confirm the microwave runs normally. |
| When to call a technician | If F3T2 returns, schedule a service visit. Give the exact code and describe what was happening when it appeared. |
Compare the other thermistor codes
| Code | Named part |
|---|---|
| F3T1 | User interface thermistor |
| F3T2 | Convection thermistor |
| F3T3 | Hood temperature thermistor |
| F3T4 | Magnetron temperature thermistor |
| F3C / F4E1 | Cooking-cavity thermistor |
The T and the digit after it are part of the code. A half-remembered version can send a technician toward the wrong part, so copy it exactly from the display.
What KitchenAid says to do
- Break power to the microwave at its breaker(s) for 60 seconds.
- Restore the power.
- Spend one minute checking for F3T2 on the display.
- Confirm the unit runs normally.
Beyond the reset
No inspection, cleaning or part test appears, and no cause is named. Declaring the thermistor “failed” would overstate the source, which says “may.”
If F3T2 returns
KitchenAid’s next step is service. Report the exact code and what was happening when it appeared. One more caution: the manufacturer keeps distinct code lists per appliance type, and this entry comes from the over-the-range microwave article, so make sure a lookup matches your own model.
KitchenAid microwave service by metro area
Customers in the Miami, New York, Houston, Los Angeles and San Diego metro areas can call (844) 919-2035. Have F3T2 and the model number ready.
Source: KitchenAid Product Help, Over-the-Range Microwave Error Code
Important 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
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