Amana · Dryer Serious

F4E3 — Restricted Airflow

F4E3 means the dryer detected restricted airflow through the exhaust — an airflow and fire-safety warning.

Keep using it?
Limited use only
DIY difficulty
Easy
Verified against
producthelp.amana.com ↗

How to fix it

  1. Clean the lint screen.
  2. Disconnect and clean the full exhaust duct out to the exterior vent.
  3. Replace crushed flexible duct with rigid/semi-rigid duct and confirm the outside flap opens.

Why it happens

Typical signs: Long drying times · F4E3 on the display

  • Clogged lint screen A lint-loaded screen chokes airflow — clean every load.
  • Clogged, crushed, or too-long vent Lint buildup or a crushed/over-long exhaust duct.

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 Vent Cleaning Kit Common replacement
    Amazon →

More Amana dryer codes

AF AF — Restricted Air Flow E1 E1 — Thermistor Open (legacy display) E2 E2 — Thermistor Shorted (legacy display) Ed Ed — End of cycle / drying complete indication issue F01 F01 — Main Control Board Failure F02 F02 — Keypad / User Interface Stuck

All Amana codes → All 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: producthelp.amana.com.