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Complete reference guide with 52+ error codes for LG appliances. Find your error code below, understand the cause, and learn if it's a DIY fix or needs professional repair.
Parent company: LG Electronics



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| Code | Description | Severity |
|---|---|---|
| Er IF Also: Er 1F | Ice maker fan error Causes: Fan motor failure, Wiring issue | high |
| Er FF | Freezer evaporator fan error Causes: Fan motor failure, Ice buildup blocking fan | high |
| Er CF | Condenser fan error Causes: Dirty condenser, Fan motor failure | high |
| Er CO | Communication error Causes: Main board failure, Wiring issue | high |
| Er FS | Freezer sensor error Causes: Thermistor failure | high |
| Er RS | Fridge sensor error Causes: Thermistor failure | high |
| Er DS | Defrost sensor error Causes: Sensor failure, Wiring issue | medium |
| Er HS | Humidity sensor error Causes: Sensor failure | medium |
| Er IS | Ice maker sensor error Causes: Sensor malfunction | medium |
| Er dH | Defrost heater error Causes: Heater failure, Relay issue | high |
| Er IT | Ice maker error Causes: Ice maker motor failure, Mechanism jam | medium |
| Er gF | Flow sensor error Causes: Water flow sensor failure | medium |
| Er rT | Room temperature sensor error Causes: Ambient sensor failure | medium |