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Error code reference

LG Refrigerator Error Code CR-FAN ERROR

CR-fan motor error

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What the CR-FAN ERROR error code actually means

Your LG refrigerator is detecting a problem with one of its internal fans, specifically the fan that helps cool the compressor area. This fan is either not running, not reporting back to the control board properly, or has a wiring issue. Until this is resolved, your refrigerator may not cool efficiently or at all.

Diagnostic procedure

The full CR-FAN ERROR procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check whether the voltage between Main PCB CN 76 yellow ↔ water color is between 7V and 12V.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of CR-FAN ERROR

Ranked by how often they cause this code
  1. 1Loose or corroded connector at Main PCB CN 76
  2. 2Damaged or broken motor wire harness
  3. 3Failed CR fan motor (internal defect or hall sensor failure)
  4. 4Supply voltage out of range from Main PCB
  5. 5Obstructed or seized fan blade

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Questions people ask about CR-FAN ERROR

What does CR-FAN ERROR mean on a LG refrigerator?
The CR-FAN ERROR indicates a fault in the CR fan motor circuit, which is typically the fan responsible for cooling the compressor compartment. The error is triggered when the Main PCB detects a problem with the feedback signal line, a missing or damaged motor wire, or a defect within the fan motor itself. The refrigerator may reduce or stop cooling until the fault is corrected.
Will resetting my LG refrigerator clear the CR-FAN ERROR?
A power reset may temporarily clear the error code, but it will return if the underlying fault is not repaired. The error is generated by an active hardware condition, such as a wiring fault or motor failure, so resetting alone does not resolve it. Always diagnose and repair the root cause before relying on a reset.
How much does it cost to fix a CR-FAN ERROR on an LG refrigerator?
Repair costs vary depending on the failed component. If only a connector needs reseating or a wire needs repair, costs may be minimal, primarily covering a service call in the range of $75 to $150. If the fan motor requires replacement, parts and labor combined typically range from $150 to $350. A Main PCB replacement, if needed, can push costs higher, often in the $200 to $500 range depending on the model.
How do I start diagnosing a CR-FAN ERROR on my LG refrigerator?
Begin by measuring the voltage at Main PCB connector CN 76 between the yellow wire and the water-colored wire. The reading should be between 7V and 12V. If voltage is out of range, the PCB or upstream wiring is the likely culprit. If voltage is correct, inspect the feedback signal wire and the fan motor itself for damage or failure.
Is it safe to keep using my LG refrigerator while the CR-FAN ERROR is active?
Continuing to run the refrigerator with an active CR-FAN ERROR is not recommended. Without the CR fan operating correctly, the compressor can overheat, which may lead to compressor damage and more expensive repairs. It is best to address the error promptly to protect both the food inside and the refrigerator's components.

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