How do I fix error code nU on a LG dryers?

1. undefined: Enter diagnostic test mode to confirm nU error. 2. undefined: Verify correct NFC module part number is installed for this model. 3. undefined: Inspect NFC module connector and harness for damage. 4. undefined: Reseat or replace NFC module with correct part. 5. undefined: If nU persists: replace main PCB.

LG Dryers

Error Code nU

NFC module wrong or not recognized

Moderate

Address soon - your appliance may not work properly

Also displayed as: nU

How to Fix

1
Enter diagnostic test mode to confirm nU error.
2
Verify correct NFC module part number is installed for this model.
3
Inspect NFC module connector and harness for damage.
4
Reseat or replace NFC module with correct part.
5
If nU persists: replace main PCB.

This Error Applies To

LG DLEX4270V Series Dryers

Service manual exact match: DLGX4271W/01Service manual exact match: DLEX4270V/01Service manual exact match: DLEX4270W/01Service manual exact match: DLGX4271V/01

Related Error Codes

Power supply wiring error — electric dryer power cord connected incorrectly

d95

FlowSense — exhaust duct approximately 95% blocked

NFC module open or shorted

tE5

Water supply pump current is less than threshold (pump fault)

d80

FlowSense — exhaust duct approximately 80% blocked

d90

FlowSense — exhaust duct approximately 90% blocked

Humidity sensor failure

Door open error — door not closed during operation

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