Error Code C8
Your dryer vent is about 80% blocked
Moderate
Address soon - your appliance may not work properly
Also displayed as: C8 or C80
What This Means
Exhaust duct heavily obstructed with lint; Exhaust duct too long or with too many elbows; Outside exhaust hood damper partially stuck
What actually causes this:
Significant lint buildup inside the exhaust vent is restricting airflow and reducing drying performance.
First Thing to Check
Check the exhaust vent hose behind the dryer for visible lint buildup or kinks.
Parts Involved
How to Fix
- 1
1. Run the Vent Blockage Test via Smart Install (Time + Start/Pause for 7 seconds)
- 2
2. Inspect and clean the entire exhaust duct run
- 3
3. Check the outside exhaust hood damper for obstructions
- 4
4. Redo Step 1 of Smart Install to retest after cleaning
This Error Applies To
Samsung DV50B5100 Series Dryers (2024) (2024–present)
Related Error Codes
The door switch isn't working properly
Your dryer isn't heating properly or is overheating
The dryer thinks the door is open while running
The dryer's internal parts aren't communicating properly
Your dryer detected restricted airflow during a vent test
Your dryer's temperature sensor isn't reading correctly
Your dryer is getting the wrong voltage from the outlet
Your dryer vent is over 90% blocked — needs immediate cleaning