F04Warning

Amana Dryer F04 Error Code

The temperature sensor (thermistor) is reading incorrectly, causing erratic drying.

Common causes

  • Faulty thermistor
  • Wiring issue to thermistor
  • Loose connection

How to fix it

  1. Unplug dryer, locate thermistor (usually near the blower housing), and test resistance with a multimeter.
  2. Ensure wiring harness is securely connected to the thermistor.
  3. Clean any lint or debris from the sensor area.
⚠ When to call a pro: If resistance values are out of spec (check manual) or code returns, replace the thermistor or call a pro.

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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.