Verified manufacturer-source collection
LG Refrigerator Error Codes: Meanings & Safe Checks
Choose the code exactly as shown. Meanings and reset procedures can change across model families, display formats and markets.
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22 LG refrigerator 22 means Compressor relay problem. See the verified model scope, safe checks, and official source. Search/display variants: 22 caution 33 LG refrigerator 33 means Compressor relay problem. See the verified model scope, safe checks, and official source. Search/display variants: 33 caution 67 LG refrigerator 67 means A gap in the door or an object inside the fridge restricting the door from closing properly. Search/display variants: 67 caution 88 LG refrigerator 88 means 88 indicates the unit is functioning properly (shown when ICE PLUS and FREEZER are held for 2 seconds). Search/display variants: 88 routine Ad LG refrigerator Ad means The door motor does not move to the maximum or home position within 5 seconds. Search/display variants: Ad caution AS LG refrigerator AS means The reed switch is in the open state while the auto-door motor is operating. Search/display variants: AS caution C1 LG refrigerator C1 means Communication error between the LCD display and the dispenser. Search/display variants: C1 caution CF LG refrigerator CF means Condenser fan motor malfunction (rear, sealed-system fan that releases compressor heat); display shows C or E CF. Search/display variants: CF caution CO LG refrigerator CO means Communication error between the control board and the display. Search/display variants: CO caution dH LG refrigerator dH means Defrost system malfunction: the unit failed to reach the expected temperature change within a set time after defrost began… Search/display variants: dH, FdH, dHF caution dr LG refrigerator dr means The door motor does not move to the maximum or home position within 5 seconds. Search/display variants: dr caution dS LG refrigerator dS means Defrost sensor short or disconnection (F dS = freezer defrost sensor; r dS = refrigerator defrost sensor). Search/display variants: dS caution EID LG refrigerator EID means Freezer-compartment ice-maker sensor failure. See the verified model scope, safe checks, and official source. Search/display variants: EID caution EIU LG refrigerator EIU means Freezer-compartment ice-maker assembly failure. See the verified model scope, safe checks, and official source. Search/display variants: EIU caution FF LG refrigerator FF means Freezer fan motor issue (can also occur if ice blocks the fan). Search/display variants: FF caution FS LG refrigerator FS means Freezer sensor short or disconnection (LED models display -17/-18/-20/-23°C combinations). Search/display variants: FS caution gF LG refrigerator gF means Flow sensor error or low water pressure (if the ice maker overfills, the flow sensor may be malfunctioning). Search/display variants: gF caution HS LG refrigerator HS means Humidity sensor short or disconnection. See the verified model scope, safe checks, and official source. Search/display variants: HS caution IF LG refrigerator IF means Ice-maker fan problem (may occur when frost or ice builds up around the ice-maker fan). Search/display variants: IF, F1 caution IS LG refrigerator IS means Ice-maker fan motor problem or ice-maker sensor disconnection. Search/display variants: IS, 1S caution iT LG refrigerator iT means Ice-maker defect. See the verified model scope, safe checks, and official source. Search/display variants: iT caution Od LG refrigerator Od means Wi-Fi modem or communication error between the LCD display micom and the Wi-Fi modem. Search/display variants: Od caution rF LG refrigerator rF means Refrigerator fan motor abnormality (may be due to frost build-up). Search/display variants: rF caution rS LG refrigerator rS means Refrigerator sensor short or disconnection (LED models display -15/-17/-20/-23°C combinations). Search/display variants: rS caution rT LG refrigerator rT means External (room temperature) sensor short or open. See the verified model scope, safe checks, and official source. Search/display variants: rT caution Sb LG refrigerator Sb means Sabbath mode used on the Jewish Sabbath/holidays; alarm functions turn off and the dispenser is disabled; it turns off… Search/display variants: Sb, S6, 5b, 56 routine SS LG refrigerator SS means Pantry sensor short or open. See the verified model scope, safe checks, and official source. Search/display variants: SS caution