ErrorCodeDoctor
LG · Refrigerator (Bottom Freezer)

LG Refrigerator (Bottom Freezer) HS error code

Difficulty: Hard · Cost: $80–$200 · Duration: Requires professional service

The HS error means your LG refrigerator has detected a fault with the humidity sensor — the component that monitors moisture levels inside the refrigerator to help regulate the environment for food storage. A short circuit or disconnection in this sensor means the refrigerator cannot accurately read or control humidity levels. There are no user steps to resolve this error and the unit requires a professional repair service to inspect and replace the faulty sensor.

Common causes

  • Humidity sensor has developed a short circuit
  • Humidity sensor wiring has become disconnected or damaged
  • Humidity sensor has malfunctioned or failed completely

How to fix it

  1. 1

    There are no user-serviceable steps for this error

  2. 2

    Unplug the refrigerator for 5 minutes and plug it back in to attempt a reset

  3. 3

    If HS returns after resetting contact a qualified technician to inspect and replace the humidity sensor

Related LG Refrigerator (Bottom Freezer) error codes

1

OF F

Demo mode is active — all cooling has been disabled

easy
2

FS

The freezer temperature sensor has a short circuit or disconnection

hard
3

rS

The refrigerator temperature sensor has a short circuit or disconnection

hard
4

dS

The defrost sensor has a short circuit or disconnection

hard

HS error — frequently asked questions

What does the HS error mean on a LG refrigerator (bottom freezer)?

The humidity sensor has a short circuit or disconnection

What causes the HS error?

The HS error is usually caused by: Humidity sensor has developed a short circuit; Humidity sensor wiring has become disconnected or damaged; Humidity sensor has malfunctioned or failed completely.

Can I fix the HS error myself?

This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.

How much does it cost to fix the HS error?

Fixing the HS error on a LG refrigerator (bottom freezer) typically costs $80–$200, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my refrigerator (bottom freezer) with the HS error?

We'd recommend addressing the HS error before continuing to use the refrigerator (bottom freezer), since hard-rated issues often involve a real fault rather than a minor glitch.