Quick diagnosis
What this code is telling you
Most likely trigger
refrigerator fan blocked by frost
Recommended replacement
Refrigerator Evaporator Fan Motor
Diagnostic path
3 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
Er rF indicates an abnormality in the refrigerator-compartment fan system because refrigerator fan blocked by frost. failed fan motor and fan wiring or control fault can produce the same code, so verify the fault before replacing components.
Possible causes
Check the most likely causes first
- 1
refrigerator fan blocked by frost
Start here when it matches your symptoms.
- 2
failed fan motor
- 3
fan wiring or control fault
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Check that the refrigerator door seals fully.
- 2
Check 2
Look for excessive frost that could obstruct airflow without chipping ice from internal parts.
- 3
Check 3
If the fan cannot resume operation, request service.
Replacement part reference
Refrigerator Evaporator Fan Motor
Exact OEM part number
Model number required
Fitment note
The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
Verify the appliance model before ordering.
Manufacturers can use different parts under the same error code across model families and production revisions.
Where do I find my model number? →FixCodeDB may earn a commission from qualifying purchases made through affiliate links.
Common questions
Quick answers for this fault
What should I check first for Er rF?
Start with refrigerator fan blocked by frost. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Does Er rF always mean Refrigerator Evaporator Fan Motor is bad?
No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
When should I stop troubleshooting Er rF myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Manufacturer reference
Verify against the official support source
FixCodeDB summarizes the fault in plain language. For model-specific instructions, confirm the guidance with the manufacturer and your appliance manual.
LG Refrigerator Error Code List — LG Support →Was this useful?
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Keep diagnosing
Related LG guides
LG code 22 is associated on affected refrigerators with a compressor-start or relay-related fault.
LG lists code 33 among refrigerator diagnostic codes; on affected models it indicates a water/ice-system fault requiring model-specific diagnosis.
LG code 67 indicates a door gap or door-related condition on affected refrigerators.
LG lists 88 as a refrigerator diagnostic code that requires model-specific interpretation.
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