LG DLEX3900BDryer
Error Code d90
Ductwork approximately 90% blocked
Moderate
Address soon - your appliance may not work properly
Also displayed as: d90
What This Means
Severe restriction in the external dryer venting; Crushed transition duct
How to Fix
- 1
Do not use dryer until exhaust system has been cleaned.
- 2
Check the outside dryer vent while dryer is operating.
Other Error Codes for DLEX3900B
tE4
Steam generator thermistor open or shorted
E5
Water supply pump failure - pump valve AD value below 10 in test mode
EE
EE PROM operation abnormal
InS
Installation test mode active (duct/exhaust check)
d75
Ductwork approximately 75% blocked - exhaust restriction detected
HS
Humidity sensor failure
PF
Power failure - house fuse blown or circuit breaker tripped
nP
No power / power supply incorrect