Error Code C90
Your dryer vent is over 90% blocked — needs immediate cleaning
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: C90 (C9)
What This Means
Severe lint buildup in exhaust duct; Exhaust duct fully or nearly fully blocked; Exterior exhaust hood damper stuck closed
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. Expert personnel must take measures such as professional duct cleaning
- 2
2. Check your vent condition thoroughly
- 3
3. Inspect and clean entire duct run from dryer to exterior
- 4
4. Re-run the Vent Blockage Test after cleaning
Other Error Codes for DVG45T3400P
The dryer thinks the door is open while running
The dryer's internal parts aren't communicating properly
Your dryer isn't heating properly or is overheating
Your dryer's temperature sensor isn't reading correctly
The dryer motor isn't spinning properly
Your dryer vent is about 80% blocked
A button on the control panel is stuck or shorted
Your dryer vent is clogged and needs cleaning