Error code · Refrigerator

LG Refrigerator Code HI: High Room Temperature Warning

HI is a warning on LG refrigerators with an LED or LCD temperature display. It tells you the surrounding room temperature has risen above 50 C, which is 122 F. It is not a breakdown code.…

Low risk · DIY check OK

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Code: HI
Appliance: Refrigerator
Brand: LG
Warranty: 30-day workmanship

What HI means

HI is a warning on LG refrigerators with an LED or LCD temperature display. It tells you the surrounding room temperature has risen above 50 C, which is 122 F. It is not a breakdown code. The owner sees HI, and the refrigerator may struggle to hold its set temperatures because the room is so hot. A heat source nearby or a blocked air path around the cabinet can add to it.

Common causes of HI

Hot room or nearby heat source
Poor airflow around the refrigerator
Sensor reading the room temperature

✓ One safe check you can try

1. Check that the room is not extremely hot. 2. Move any heat source, such as a space heater, away from the refrigerator. 3. Make sure there is open airflow around the sides and top. 4. Let the room cool and see whether HI leaves the display.

! Why to stop there

If HI shows in a normal room, we would test the sensor and the control.
We give a written price first for any repair.
The warning itself needs no repair.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Refrigerator codes

rFLG Refrigerator Code rF: Fresh-Food Fan Motor rSLG Refrigerator Code rS: Upper Sensor Open or Shorted rTLG Refrigerator Code rT: Room Temperature Sensor SbLG Refrigerator Code Sb: Sabbath Mode On Sd, CI, IU, d1, d2, d, H1, H2, US, LS, E1, E2, r, Id, gSLG Refrigerator Codes Sd, CI, IU and 12 Others: Self-Check Group SSLG Refrigerator Code SS: Pantry or Water Tank Sensor ttLG Refrigerator Code tt: Water Tank Not Detected iTLG Refrigerator Code iT: Ice Maker Motor

HIHI questions

Is HI a failure?

No. It is a warning that the ambient temperature is very high. When the room cools, the warning should go away on its own, and you do not need a repair for that.

Why would HI show in a normal room?

A temperature of 122 F is far above a normal house, so HI in an ordinary room is worth a look. A sensor or control may be reading wrong, and we can test it.

Will my food spoil?

The refrigerator may work harder in a hot room, so check temperatures with a thermometer. If the room stays hot, protect perishables and move the refrigerator somewhere cooler.

Book a visit

Still unsure about HI?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 597-5662