ERROR CODE EXPLAINED
Samsung Dryer
Samsung Dryer C90 Error Code
What it means
The dryer's Vent Blockage Test detected a restricted or clogged exhaust vent.
Try this first
- Clean the lint filter.
- Inspect and clean the exhaust vent.
- Check the vent hose for crushing or kinks.
- Check that the exterior vent opens freely.
Can I keep using it?⚠ Exhaust vent restriction
Repair usually required?✅ Usually no
If the error keeps returning
C90 should clear after the vent restriction is corrected.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.