Samsung · Dryer
C80
Severe exhaust restriction detected
This code group appears after a vent test detects that the exhaust path is restricted by about 80 percent or more.
Stop using the dryer and request professional inspection because overheating may occur.
Possible meaning
This code group appears after a vent test detects that the exhaust path is restricted by about 80 percent or more.
This information is not a professional diagnosis or repair instruction. The same code can mean different things by model, so follow the product manual and official manufacturer guidance first.
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Official manufacturer sourceVerify with official guidance ↗Official source checked: 2026-08-21