Error code reference

LG Washer Error Code nF1

Water supply error in Wool course

Water supply error in Wool course: cold and warm water supply hoses wrongly engaged, water temperature through dry valve during dry cycle sensed higher than 50°C, or water temperature sensed higher than 50°C in Wool or Lingerie courses.

First step from the service manual

Check whether cold and warm water supply hoses are correctly connected.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for nF1.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass