LG · Refrigerator
FF / E FF / Er FF error-code guide
LG identifies FF as a freezer fan motor abnormality; ice or frost around the fan can also prevent normal fan operation.
Read the guideCurrent LG refrigerator coverage
Published LG refrigerator guides
This hub contains 6 published guides for select LG refrigerator error codes. Coverage is intentionally limited and does not include all codes or models.
Refrigerator or freezer getting too warm? Use the refrigerator not cooling symptom guide.
Frozen food softening while the refrigerator may still be cool? Use the freezer not freezing symptom guide.
Source-backed guides
Choose the code shown on the appliance
Each card links to a guide that separates the detected condition from possible causes, preliminary checks, limitations, and service boundaries.
LG · Refrigerator
rF / E rF / Er rF error-code guide
LG identifies rF as a refrigerator-compartment fan motor abnormality.
Read the guideLG · Refrigerator
dH / F dH / r dH / Er dH error-code guide
LG identifies dH as a defrosting failure: the expected compartment temperature was not detected during defrost.
Read the guideLG · Refrigerator
IF / F1 error-code guide
LG identifies IF or F1 as a problem with the refrigerator ice-maker fan; frost or ice buildup around that fan can sometimes be involved.
Read the guideLG · Refrigerator
CO / E CO / Er CO error-code guide
LG identifies CO as a communication error between the main board and the display.
Read the guideLG · Refrigerator
67 error-code guide
LG identifies 67 as a problem with a gap in the door or an object inside the refrigerator restricting the door from closing properly.
Read the guideHow to use this collection
Sources, context, and safety remain part of every guide
Documented context
Each guide identifies the manufacturer support material reviewed and explains where that material has model or applicability limits.
Clear safety boundaries
Homeowner observations remain separate from disassembly, electrical work, internal testing, and other work that belongs with a qualified professional.
Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by LG.