Verified manufacturer-source collection
LG Refrigerator Error Codes
Choose the code exactly as shown. Meanings and reset procedures can change across model families, display formats and markets.
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22 Official LG material describes 22 as Compressor relay problem. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: 22 caution 33 Official LG material describes 33 as Compressor relay problem. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: 33 caution 67 Official LG material describes 67 as A gap in the door or an object inside the fridge restricting the door from closing properly. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: 67 caution 88 Official LG material describes 88 as 88 indicates the unit is functioning properly (shown when ICE PLUS and FREEZER are held for 2 seconds). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: 88 routine Ad Official LG material describes Ad as The door motor does not move to the maximum or home position within 5 seconds. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: Ad caution AS Official LG material describes AS as The reed switch is in the open state while the auto-door motor is operating. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: AS caution C1 Official LG material describes C1 as Communication error between the LCD display and the dispenser. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: C1 caution CF Official LG material describes CF as Condenser fan motor malfunction (rear, sealed-system fan that releases compressor heat); display shows C or E CF. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: CF caution CO Official LG material describes CO as Communication error between the control board and the display. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: CO caution dH Official LG material describes dH as Defrost system malfunction: the unit failed to reach the expected temperature change within a set time after defrost began (possible ice build-up, blown thermal fuse, heater failure, or main-board/PCB issue). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: dH, FdH, dHF caution dr Official LG material describes dr as The door motor does not move to the maximum or home position within 5 seconds. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: dr caution dS Official LG material describes dS as Defrost sensor short or disconnection (F dS = freezer defrost sensor; r dS = refrigerator defrost sensor). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: dS caution EID Official LG material describes EID as Freezer-compartment ice-maker sensor failure. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: EID caution EIU Official LG material describes EIU as Freezer-compartment ice-maker assembly failure. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: EIU caution FF Official LG material describes FF as Freezer fan motor issue (can also occur if ice blocks the fan). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: FF caution FS Official LG material describes FS as Freezer sensor short or disconnection (LED models display -17/-18/-20/-23°C combinations). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: FS caution gF Official LG material describes gF as Flow sensor error or low water pressure (if the ice maker overfills, the flow sensor may be malfunctioning). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: gF caution HS Official LG material describes HS as Humidity sensor short or disconnection. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: HS caution IF Official LG material describes IF as Ice-maker fan problem (may occur when frost or ice builds up around the ice-maker fan). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: IF, F1 caution IS Official LG material describes IS as Ice-maker fan motor problem or ice-maker sensor disconnection. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: IS, 1S caution iT Official LG material describes iT as Ice-maker defect. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: iT caution Od Official LG material describes Od as Wi-Fi modem or communication error between the LCD display micom and the Wi-Fi modem. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: Od caution rF Official LG material describes rF as Refrigerator fan motor abnormality (may be due to frost build-up). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: rF caution rS Official LG material describes rS as Refrigerator sensor short or disconnection (LED models display -15/-17/-20/-23°C combinations). This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: rS caution rT Official LG material describes rT as External (room temperature) sensor short or open. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: rT caution Sb Official LG material describes Sb as Sabbath mode used on the Jewish Sabbath/holidays; alarm functions turn off and the dispenser is disabled; it turns off automatically after 96 hours. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: Sb, S6, 5b, 56 routine SS Official LG material describes SS as Pantry sensor short or open. This guide records the cited product-family scope, safety-reviewed owner checks, and service limits.
Search/display variants: SS caution