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

1. undefined: Register the product on Wi-Fi using the LG ThinQ app (refer to pages 55-57): press and hold Wrinkle Care button 3 seconds to initiate pairing 2. undefined: After registering, disconnect and reconnect power cord 3. undefined: Re-enter test mode — 'IF:XX' should now display with a numeric version instead of nF 4. undefined: If nF persists consistently after registration attempts, replace display PCB (R code: A150)

LG Dryers2020–present

Error Code nF

Wi-Fi product not registered (normal behavior until registered) or Wi-Fi module error

Moderate

Address soon - your appliance may not work properly

Also displayed as: nF

How to Fix

1
Register the product on Wi-Fi using the LG ThinQ app (refer to pages 55-57): press and hold Wrinkle Care button 3 seconds to initiate pairing
2
After registering, disconnect and reconnect power cord
3
Re-enter test mode — 'IF:XX' should now display with a numeric version instead of nF
4
If nF persists consistently after registration attempts, replace display PCB (R code: A150)

This Error Applies To

LG DLHC1455 Series Dryers (2020) (2020–present)

Service manual exact match: DLHC1455VService manual exact match: DLHC1455W

Related Error Codes

LE1

Restricted motor — motor fails to start after restart attempts

Wi-Fi module communication error — Wi-Fi module single product fault

tE3

Compressor discharge pipe thermistor open or short circuit

tE1

Drum outlet thermistor open or short circuit

Compressor error — inverter compressor fault after restart attempts

Power cord incorrectly connected or power supply error (not 240V — may be 120V only)

Drum outlet thermistor open or short circuit

Door open detected during operation — machine restarts then stops

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