As a French 3-door refrigerator, the LL31H6530S shares its core mechanism with the rest of LG’s refrigerator lineup at roughly 31 cu ft. On this platform, the IF fault code is one of the more common reasons it gets a service call. LG’s own US product page still carries this model with an active status flag, read 24 September 2026.
Service calls on this refrigerator most often trace to one of a short list: the IF, dH or CO 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
- French 3-door refrigerator
- Rated at 31 cu. ft.
Most Common Issues on This Model
01
IF fault code — ice-fan fault
02
dH fault code — defrost heater fault, sometimes shown split as F dH
03
CO fault code — communication error between control boards