Amana · Dryer Moderate

F22 — Outlet Thermistor Fault

Exhaust thermistor (outlet temperature sensor) is reading out of range — either open circuit or shorted. The control cannot regulate drying temperature.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
amana.com ↗

How to fix it

  1. Unplug the dryer.
  2. Access the blower housing (usually behind the back panel) to find the thermistor.
  3. Clean lint off the thermistor body with a soft brush.
  4. Measure thermistor resistance with a multimeter — should be ~10kΩ at 70°F.
  5. Check continuity of the wires from the thermistor to the main control.
  6. Replace the thermistor if resistance is out of spec or open.

Why it happens

Typical signs: F22 on display · Dryer stops mid-cycle · Clothes over- or under-dried · Sensor cycles end prematurely

  • Failed outlet thermistor Resistance out of spec — typically should read ~10kΩ at room temp.
  • Lint-coated thermistor Heavy lint coating insulates the sensor from airflow.
  • Wiring open to thermistor Broken wire or unseated connector at the thermistor.
  • Failed main control Less common — ACU input circuit failure.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Dryer outlet thermistor Common replacement
    Amazon →

More Amana dryer codes

AF AF — Restricted Air Flow E1 E1 — Thermistor Open (legacy display) E2 E2 — Thermistor Shorted (legacy display) F01 F01 — Main Control Board Failure F02 F02 — Keypad / User Interface Stuck F23 F23 — Exhaust Thermistor Shorted

All Amana codes → All dryer codes →

Frequently asked questions

What does the F22 code mean on a Amana dryer?

Exhaust thermistor (outlet temperature sensor) is reading out of range — either open circuit or shorted. The control cannot regulate drying temperature.

What causes the F22 code on a Amana dryer?

Failed outlet thermistor: Resistance out of spec — typically should read ~10kΩ at room temp. Lint-coated thermistor: Heavy lint coating insulates the sensor from airflow. Wiring open to thermistor: Broken wire or unseated connector at the thermistor.

Is it safe to keep using a Amana dryer with a F22 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix F22 on a Amana dryer?

Unplug the dryer. Access the blower housing (usually behind the back panel) to find the thermistor. Clean lint off the thermistor body with a soft brush.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: amana.com.