LG DLEX3700BDryer
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 DLEX3700B
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