LG DLEX3900VDryer
Error Code d75
Ductwork approximately 75% blocked - exhaust restriction detected
Moderate
Address soon - your appliance may not work properly
Also displayed as: d75
What This Means
Lint buildup in duct; Crushed transition duct; Excessive duct length
How to Fix
- 1
Clean the exhaust system.
- 2
Check vent hood for damage or lint clogging.
- 3
Verify duct length conforms to specifications.
Other Error Codes for DLEX3900V
nC
NFC module open or shorted
nU
NFC module wrong/malfunctioning
tE2
Thermistor of blower housing - outlet thermistor open or shorted
PS
Power supply wire connection wrong or loose (Black-White-Red wires). Electric dryer only.
tE1
Thermistor of blower housing - outlet thermistor open or shorted
d90
Ductwork approximately 90% blocked
dE
Door switch abnormal
PF
Power failure - house fuse blown or circuit breaker tripped