F20Warning
Whirlpool Dryer F20 Error Code
The dryer senses excessive exhaust restriction, likely from a blocked vent or lint buildup.
Common causes
- Lint screen clogged
- Vent duct crushed or too long
- Exterior vent cover blocked
How to fix it
- Clean lint screen before every load.
- Disconnect vent duct and check for blockages; clean thoroughly.
- Ensure vent is rigid metal and as short and straight as possible.
⚠ When to call a pro: If cleaning does not resolve, there may be a blower motor issue.
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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.