
The LTCS20020S is an LG top-freezer refrigerator, rated at 20 cu ft. Current model — LG’s own US product page still carries this model with an active status flag, read 24 September 2026. On this platform, the FF fault code is one of the more common reasons it gets a service call.
Service calls on this refrigerator most often trace to one of a short list: the FF, IF or dH fault codes. We confirm which one applies against the model and serial number before ordering a part.
Key Features
- Frost-free cooling with a fan-driven air path between compartments
- Electronic temperature control with a digital or touch display
- Top-freezer refrigerator
- Sold in 4 finish options on this platform
- Rated at 20 cu. ft.
Most Common Issues on This Model
FF fault code — freezer fan motor
IF fault code — ice-fan fault
dH fault code — defrost heater fault, sometimes shown split as F dH

