LG DLEX3900VDryer
Error Code nU
NFC module wrong/malfunctioning
Moderate
Address soon - your appliance may not work properly
Also displayed as: nU
How to Fix
- 1
nU is displayed only in test mode.
- 2
Check NFC module wiring and connections.
- 3
Replace NFC module.
Other Error Codes for DLEX3900V
nC
NFC module open or shorted
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
nP
No power / power supply incorrect