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Error code reference

LG Refrigerator Error Code rF

Failure of Fan Motor at Refrigerator Compartment

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What the rF error code actually means

The rF code means your refrigerator's internal fan motor has stopped sending a signal to the control board, so the fridge thinks the fan has stopped working. This fan is what keeps cold air moving through the fresh food section, so food may start warming up if the problem is not addressed. You should have a technician inspect the fan motor and related wiring as soon as possible to prevent food spoilage.

Diagnostic procedure

The full rF procedure

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1
First diagnostic step
Reset the unit and enter Test 1 Mode, then open refrigerator door and check air flow.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of rF

Ranked by how often they cause this code
  1. 1Failed refrigerator compartment fan motor
  2. 2Ice buildup blocking the fan blade
  3. 3Wiring harness or connector fault
  4. 4Defective main control board
  5. 5Obstruction near the fan blade

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Questions people ask about rF

What does rF mean on a LG refrigerator?
The rF code on an LG refrigerator indicates a failure of the refrigerator compartment fan motor. Specifically, the control board has not received a feedback signal from the fan motor for more than 65 seconds during normal operation. This means the board cannot confirm the fan is spinning, which could result in rising temperatures inside the fresh food section. The issue may be caused by a failed motor, a wiring fault, ice obstruction, or a defective control board.
Will resetting my LG refrigerator clear the rF error code?
A reset may temporarily clear the rF code, but if the underlying problem is not resolved, the error will return once the control board detects the missing feedback signal again after 65 seconds of fan operation. Resetting is a useful first diagnostic step to confirm whether the fault is persistent, but it is not a fix on its own. Always follow the reset with a functional check of the fan in Test 1 Mode.
How much does it cost to repair an rF error code on an LG refrigerator?
Repair costs vary depending on the root cause. A replacement refrigerator compartment fan motor typically ranges from $30 to $80 for the part, with labor adding $75 to $150 or more depending on your area. If the main control board is the faulty component, parts alone can range from $100 to $250 or higher. Getting a diagnostic call from a qualified technician is the best way to pinpoint the exact cause before committing to parts.
Can I fix the rF error code on my LG refrigerator myself?
Some causes of the rF code, such as a blocked fan blade or ice buildup, can be addressed without replacing parts. Start by resetting the unit and entering Test 1 Mode to check for airflow with the door open. If ice is the culprit, manually defrosting the refrigerator may resolve the issue. However, if the fan motor or control board needs replacement, those repairs are more involved and may require a qualified technician.
Is it safe to keep using my LG refrigerator when the rF code is displayed?
Continuing to run the refrigerator with an active rF error is not recommended, as the fan motor failure means cold air may not be circulating properly through the fresh food compartment. This can lead to temperatures rising above safe food storage levels and potential food spoilage. You should address the fault promptly or transfer perishable items to another cooler until the repair is completed.

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