Amana Dryer Error Code F3 E2 — Inlet Thermistor Open/Short
What this means
The F3 E2 error on Amana dryers indicates the inlet thermistor circuit is reading open or shorted. This sensor measures the air temperature entering the drum and helps regulate heating. The dryer may overheat or not heat at all with this code. Common causes are a broken sensor, damaged wiring, or a loose connector.
Alternate codes: F3E2
Step-by-step fix
4 stepsLocate the inlet thermistor
Unplug the dryer and remove the back panel. The inlet thermistor is typically mounted on or near the heater box or the air inlet to the drum.
It looks similar to the exhaust thermistor but is located near the heat source.
Check the wiring and connections
Inspect the wiring from the thermistor to the control board for damage, pinching, or loose connectors.
Reseat connectors firmly even if they look okay — intermittent contact can cause this code.
Test the thermistor with a multimeter
Disconnect the thermistor and measure resistance. At room temperature it should read approximately 10,000–12,000 ohms. If open or near zero, the sensor has failed.
Replace if faulty
Remove the mounting screw and old sensor, install the new thermistor, reconnect wiring, and test the dryer.
Run a short timed dry cycle to verify the code does not return.
When to call a professional
If the thermistor and wiring test fine but the code persists, the control board may need professional service.
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
Learn more about our sourcesParts you may need
Links may earn us a commission at no extra cost to you. We only recommend parts relevant to this repair.