F31 — MTR (Motor) Stalled / Tach Fault
Main control detected the motor stalled or the speed tachometer signal is missing. Drum rotation not confirmed.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Verified against
- amana.com ↗
How to fix it
- Unplug the dryer.
- Spin the drum by hand to confirm free rotation.
- Inspect the blower wheel and idler for free movement.
- Test the motor windings per tech sheet.
- Inspect motor harness and tach connector.
- Replace motor or control as indicated by tests.
Why it happens
Typical signs: F31 displayed · Drum doesn't rotate · Motor hum only · Code appears within seconds of start
- Mechanical bind Drum, blower, or idler seized.
- Bad motor Open winding or worn brushes.
- Failed tach signal Hall sensor or feedback wire broken.
- Bad control board Motor drive circuit failed.
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.
More Amana dryer codes
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.