F20Warning
Electrolux Dryer F20 Error Code
The dryer detected restricted airflow in the exhaust vent system.
Common causes
- Lint buildup in vent
- Bent or crushed vent hose
- Blocked external vent flap
How to fix it
- Disconnect vent hose and clean out lint.
- Check for kinks in the hose and straighten them.
- Ensure the outdoor vent flap opens freely.
⚠ When to call a pro: If cleaning does not resolve, a professional vent cleaning may be needed.
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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.