ErrorCodeDoctor
LG · Refrigerator (Side-by-Side)

LG Refrigerator (Side-by-Side) HI error code

Difficulty: Easy · Cost: $0 · Duration: Clears automatically when ambient temperature drops

HI is not an error code. It is a warning that the ambient temperature in the room where the refrigerator is installed has risen above 50 degrees Celsius. Operating in extreme heat puts significant strain on the compressor and cooling system. LG refrigerators are not designed to function correctly in environments this hot. The warning will clear once the ambient temperature drops back to a safe operating range.

Common causes

  • Refrigerator is installed in a very hot environment or in direct sunlight
  • Ambient room temperature has risen above 50 degrees Celsius
  • Poor ventilation around the unit causing heat to build up

How to fix it

  1. 1

    Move the refrigerator to a cooler location away from direct sunlight or heat sources

  2. 2

    Ensure there is adequate ventilation around the unit — at least a few centimetres of clearance on all sides and at the back

  3. 3

    The HI warning will clear automatically once the ambient temperature drops below the threshold

Related LG Refrigerator (Side-by-Side) 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

HI error — frequently asked questions

What does the HI error mean on a LG refrigerator (side-by-side)?

The room temperature around the refrigerator has risen above 50°C

What causes the HI error?

The HI error is usually caused by: Refrigerator is installed in a very hot environment or in direct sunlight; Ambient room temperature has risen above 50 degrees Celsius; Poor ventilation around the unit causing heat to build up.

Can I fix the HI error myself?

Yes — this is rated an easy fix that most people can do themselves, typically in Clears automatically when ambient temperature drops.

How much does it cost to fix the HI error?

Fixing the HI error on a LG refrigerator (side-by-side) typically costs $0, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my refrigerator (side-by-side) with the HI error?

In most cases yes, but it's best to address the HI error soon — see the fix steps below to resolve it.