Error code reference

LG Washer Error Code Er

Ambient temperature sensor failure

Ambient temperature sensor failure - displayed on the outside temperature display area of the LCD when the ambient temperature sensor fails.

First step from the service manual

Check ambient temperature sensor resistance and wiring at the hinge area of the freezing room.

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 Er.

  • 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