Error Code C1
The vent blockage test found a problem with your exhaust
Info
Informational - no immediate action required
Also displayed as: C1
What This Means
Items left inside the drum during Smart Install test; Dry sensor (moisture sensor) malfunction; Moisture on the sensor bars
What actually causes this:
During the Smart Install vent test, the dryer found the exhaust vent is too restricted for safe operation.
First Thing to Check
Check the exhaust vent hose behind the dryer — make sure it's not kinked, crushed, or full of lint.
Parts Involved
How to Fix
- 1
1. Remove all items from the drum
- 2
2. Check the dry sensor bars for contamination or moisture
- 3
3. Clean the moisture sensor bars
- 4
4. Re-run the Smart Install test with an empty drum
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DV45A6400 Series Dryers (2024) (2024–present)
Related Error Codes
The dryer's internal parts aren't communicating properly
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A secondary temperature sensor is giving bad readings
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Your dryer's temperature sensor isn't reading correctly
A button on the control panel is stuck or shorted
Your dryer isn't heating properly or is overheating
The door switch isn't working properly