Error Code C8/C80
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
Lint accumulation in the duct system; Partially crushed or kinked exhaust duct; Too many bends in the duct run
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. Clean the lint filter thoroughly
- 2
2. Disconnect and inspect the exhaust duct for lint buildup
- 3
3. Check for crushed or kinked sections of duct
- 4
4. Verify outside exhaust hood opens freely
- 5
5. Re-run vent blockage test after cleaning
This Error Applies To
Samsung DV25B6900E Series Dryers (2024) (2024–present)
Related Error Codes
Your dryer is getting the wrong type of electrical power
The dryer's internal parts aren't communicating properly
Your dryer is getting the wrong voltage from the outlet
Your dryer isn't heating properly or is overheating
Your dryer's temperature sensor isn't reading correctly
A secondary temperature sensor is giving bad readings
The door switch isn't working properly
Your dryer vent is over 90% blocked — needs immediate cleaning