# LG refrigerators error codes | Costolio URL: https://costolio.com/home/appliances/lg/lg-refrigerators/ Updated: 2026-11-02 # LG refrigerators error codes 8 refrigerator error codes for LG refrigerators, what each one means and what to try, paraphrased from LG's own source. Codes vary by model, so confirm in your own manual. ## All codes - [FS / rS / dS / rT](https://costolio.com#fs-rs-ds-rt) Freezer sensor, refrigerator sensor, freezer defrost sensor or external sensor malfunction; this requires a professional inspection. - [dH](https://costolio.com#dh) Malfunction in the defrost system, likely caused by ice buildup, a blown thermal fuse, heater failure or a main board (PCB) issue. - [FF](https://costolio.com#ff) Freezer fan error, often from ice on the fan. - [CF / CO](https://costolio.com#cf-co) CF: the condenser fan feedback signal is less than 65 seconds during the fan's operation. CO: a communication error between the control board and the display. - [CH E / CL E](https://costolio.com#ch-e-cl-e) Possible refrigerant leak (high side or low side). - [67](https://costolio.com#67) A gap in the door, or an object inside, is restricting the door from closing properly. - [88](https://costolio.com#88) Normal: the unit is functioning properly (shown when Ice Plus and Freezer are held for 2 seconds). - [OF F](https://costolio.com#of-f) Demo/display mode is on. ## FS / rS / dS / rT What it means: Freezer sensor, refrigerator sensor, freezer defrost sensor or external sensor malfunction; this requires a professional inspection. This one often needs a licensed technician. ### What to try - Request service for an accurate diagnosis. ## dH What it means: Malfunction in the defrost system, likely caused by ice buildup, a blown thermal fuse, heater failure or a main board (PCB) issue. This one often needs a licensed technician. ### What to try - Request service for an accurate diagnosis. ## FF What it means: Freezer fan error, often from ice on the fan. This one often needs a licensed technician. ### What to try - Unplug the unit and leave the doors open for at least 8 hours to clear the ice buildup. - If you are concerned about food spoilage, schedule a service for an accurate diagnosis. ## CF / CO What it means: CF: the condenser fan feedback signal is less than 65 seconds during the fan's operation. CO: a communication error between the control board and the display. This one often needs a licensed technician. ### What to try - There are no troubleshooting steps; request a repair service. ## CH E / CL E What it means: Possible refrigerant leak (high side or low side). This one often needs a licensed technician. ### What to try - There are no troubleshooting steps; request a repair service so a technician can check the refrigerant leak. ## 67 What it means: A gap in the door, or an object inside, is restricting the door from closing properly. You can usually fix this yourself. ### What to try - There are no troubleshooting steps; request a repair. ## 88 What it means: Normal: the unit is functioning properly (shown when Ice Plus and Freezer are held for 2 seconds). You can usually fix this yourself. ### What to try - No action needed. ## OF F What it means: Demo/display mode is on. You can usually fix this yourself. ### What to try - Press and hold Refrigerator and Ice Plus together for 5 seconds to exit. ### Source - [LG Refrigerator Error Code List (LG US Help Library)](https://www.lg.com/us/support/help-library/lg-refrigerator-error-code-list--20155159406537) (checked 2026-11-02) Brand names and model names are trademarks of their owners. Costolio is not affiliated with or endorsed by any manufacturer. ## Related - [Samsung refrigerators error codes](https://costolio.com/home/appliances/samsung/samsung-refrigerators/) - [LG ranges error codes](https://costolio.com/home/appliances/lg/lg-ranges/) - [LG microwaves error codes](https://costolio.com/home/appliances/lg/lg-microwaves/) - [GE refrigerators error codes](https://costolio.com/home/appliances/ge/ge-refrigerators/) - [Whirlpool bottom-freezer refrigerators error codes](https://costolio.com/home/appliances/whirlpool/whirlpool-bottom-freezer-refrigerators/) - [Frigidaire refrigerators error codes](https://costolio.com/home/appliances/frigidaire/frigidaire-refrigerators/) - [All appliance error codes](https://costolio.com/home/appliances/)