Error Code C9
Your dryer vent is over 90% blocked — needs immediate cleaning
Moderate
Address soon - your appliance may not work properly
Also displayed as: C9 or C90
What This Means
Vent ductwork significantly clogged; Vent ductwork too long or excessively bent; Outside exhaust hood damper stuck
What actually causes this:
Severe lint buildup in the exhaust vent is almost completely blocking airflow. This is a fire hazard.
First Thing to Check
Stop using the dryer and check the exhaust vent immediately for heavy lint buildup.
Parts Involved
How to Fix
- 1
1. Check duct connections and shorten or straighten the duct if necessary
- 2
2. Ensure duct connections are not clogged
- 3
3. Ensure outside exhaust hood opens freely
- 4
4. Redo the Smart Install test after correcting vent issues
Other Error Codes for DVE45B6300
Your dryer detected restricted airflow during a vent test
The dryer thinks the door is open while running
Your dryer vent is over 90% blocked — needs immediate cleaning
Your dryer vent is about 80% blocked
The vent blockage test found a problem with your exhaust
Your dryer vent test passed — airflow is good
A button on the control panel is stuck or shorted
Your dryer vent is about 80% blocked