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 ductwork; Nearly fully blocked vent or exhaust hood; Severely crushed or kinked vent hose
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. You must take measures (such as cleaning) through expert personnel
- 2
2. Clean the entire exhaust duct system thoroughly
- 3
3. Inspect for crushed or damaged ductwork and replace if necessary
- 4
4. Verify proper duct installation per requirements
- 5
5. Re-run the Vent Blockage Test
Other Error Codes for DVG41A3000W
Your dryer is getting the wrong type of electrical power
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
Your dryer vent is about 80% blocked
Your dryer's temperature sensor isn't reading correctly
The dryer motor isn't spinning properly
Your dryer detected restricted airflow during a vent test