Error code · Beko
F4 · Restricted Airflow / Filter Maintenance
The dryer reports restricted airflow. In most cases the first step is cleaning the filter and airflow path.
DryerDIY First — Safe to Try YourselfFixLens verified
Safe first steps
- Switch the dryer off and let it cool before cleaning the filters.
- Clean the lint filter and check the lower airflow path for dust build-up.
- If accessible on your model, clean the condenser area as part of routine maintenance.
- If the fault returns quickly after cleaning, arrange service for airflow or temperature sensing.
When to stop
- Stop if the appliance is overheating or shutting down during the cycle.
- Stop if you notice a burning smell or damaged wiring.
Likely cause
Airflow is restricted by lint, dust, or a clogged condenser area.
Verification
Reviewed by: qualified technician
Verified against Beko B3T47239 technical documentation
FixLens publishes its own structured technical logic verified against Beko B3T47239 documentation · last verified April 15, 2026.
Official manufacturer support