LG Bottom-freezer refrigerator Error Codes: Full List & Meanings

Every LG bottom-freezer refrigerator error code in the LG bottom-freezer refrigerator error-code chart, as published by Sears PartsDirect, with its meaning. Codes vary by model, so confirm in your owner's manual. Support: LG USA Support (lg.com/us/support).

Codes by system

All LG bottom-freezer refrigerator error codes

Codes marked "Reset only" or "Service" have no separate page because the manufacturer publishes no owner fix beyond a reset or a service call.

Code	Meaning	System	Owner action
Er FS	Freezer sensor error.	Heating	Service
Er rS	Refrigerator sensor error.	Sensors	Service
F dS	Freezer defrost sensor.	Heating	Service
r dS	Refrigerator defrost sensor.	Heating	Service
Er HS	Humidity sensor.	Sensors	Service
Er IS	Ice maker sensor.	Sensors	Service
Er SS	Pantry sensor. The pantry is the deli drawer.	Sensors	Service
Er rt	Room temperature sensor.	Heating	Service
Er It	System error inside ice maker.	Dispenser	Service
Er gF	Flow meter error code.	Control / electronics	Service
F dH	Sensor did not get over 40 F in defrost.	Heating	Service
r dH	Sensor did not get over 40 F.	Sensors	Service
Er IF	The fan for the ice compartment failed.	Venting / airflow	Service
Er FF	Evaporator fan failed.	Venting / airflow	Service
Er CF	Condenser fan motor is defective.	Venting / airflow	Service
Er CO	Communication error.	Control / electronics	Service
E Od	Wi-Fi modem failure.	Control / electronics	Service
E rF	Refrigerator compartment evaporator fan failure.	Venting / airflow	Service
E ID	Freezer compartment ice maker sensor failure.	Heating	Service
E IU	Freezer compartment ice maker assembly failure.	Heating	Service

Symptoms

Sources

Sears PartsDirect: LG bottom-freezer refrigerator error-code chart (third-party copy of manufacturer service data)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with LG.