Error Code d90
Ductwork approximately 90% blocked — Flow Sense detection
Moderate
Address soon - your appliance may not work properly
Also displayed as: d90
How to Fix
- 1
Do not use dryer until exhaust system is cleaned and/or repaired — using dryer in this condition is a fire hazard.
- 2
Immediately check and clean all ductwork.
- 3
Inspect vent hood for blockage, damage, or lint clogging.
- 4
Ensure area around vent hood is clear.
- 5
If exhaust run is excessively long, have it repaired or rerouted.
- 6
After cleaning, run the FlowSense installation test to confirm resolution.
- 7
If four bars still display after cleaning, replace or reroute ductwork.
This Error Applies To
LG DLEY1701VE Series Dryers
Related Error Codes
Humidity/moisture sensor failure
Ductwork approximately 95% blocked — Flow Sense detection — severe restriction
Power failure — same causes as PS code
Flow Sense shows 80% duct restriction after a drying cycle — ductwork needs attention
No power detected — power supply issue
Steam pump error — pump AD value below threshold during diagnostic test mode
Installation test mode successfully activated — Flow Sense installation test
Temperature sensor (thermistor) failure — short circuit or secondary thermistor fault