What does FC mean?
Dryer has detected restricted airflow through exhaust vent.
Common causes
- Lint buildup in duct
- Crushed duct
- Blocked exterior vent
- Too many elbows in duct run
Diagnostic & testing steps
- 1. Clean lint filter
- 2. Disconnect and inspect exhaust duct
- 3. Clean full duct run with brush
- 4. Check exterior vent for blockage
- 5. Ensure duct is under 25 feet
Tools required
- Vent cleaning brush
- Vacuum
OEM parts & part numbers
Exhaust Duct, Vent Hood
Safety warning
⚠️ Blocked vents cause dryer fires
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