Error Code Ct
Your dryer detected restricted airflow during a vent test
Info
Informational - no immediate action required
Also displayed as: Ct
What This Means
Dryer ambient temperature outside acceptable range; Dryer was recently in operation and is still hot; Cold environment (garage, unheated space)
What actually causes this:
The exhaust vent is partially blocked with lint, or the vent run is too long for proper airflow.
First Thing to Check
Check the exhaust vent hose behind the dryer for kinks or lint buildup.
Parts Involved
How to Fix
- 1
1. Leave the dryer at room temperature
- 2
2. Wait for the dryer to cool down or warm up to room temperature
- 3
3. Try the Smart Install test again later
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
Your dryer is getting the wrong voltage from the outlet
A secondary temperature sensor is giving bad readings
Your dryer is getting the wrong type of electrical power
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