Appliance Fault Codes

What that error code means — and what you can safely check

LG fridge-freezer FS error code

FS means freezer sensor error. The freezer sensor is out of range; cooling control in the freezer is unverified..

Often fixable at home · Fault type: Electrical/hardware

Safe checks, in order of likelihood

  1. Power-cycle the appliance (unplug 5 minutes).
  2. Check the freezer door closes fully and the seal is clean and intact.
  3. If FS returns, book a sensor replacement.

Call a professional when…

Reset; then replace the freezer thermistor. If the code returns after these checks, book a qualified engineer.

Parts usually involved

Related symptom guides

Sources