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Error code reference

LG Refrigerator Error Code IF E

Abnormality of BLDC fan motor for ice making; caused when feedback signal is not received for over 65 seconds during BLDC fan motor operation

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What the IF E error code actually means

Your LG refrigerator is showing an IF E error because the ice maker's fan motor has stopped communicating with the control board for too long, which usually means the fan has stopped spinning. This fan keeps cold air moving through the ice maker compartment, so without it working properly, your refrigerator will stop making ice. A simple reset may temporarily clear the error, but the underlying cause, such as a blocked fan, a loose wire, or a failed component, will need to be addressed to prevent it from returning.

Diagnostic procedure

The full IF E procedure

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1
First diagnostic step
Reset the unit and input Test 1 Mode, check air flow, check fan motor for stickiness, then check fan motor voltage at CON3 pins 12-9.
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Most common causes of IF E

Ranked by how often they cause this code
  1. 1Ice buildup jamming the fan blade
  2. 2Loose or corroded wiring connection at the fan motor
  3. 3Failed BLDC fan motor
  4. 4Faulty drive IC on the control board
  5. 5Failed transistor (TR) in the motor drive circuit

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Questions people ask about IF E

What does IF E mean on a LG refrigerator?
IF E indicates an abnormality in the BLDC fan motor used for ice making. Specifically, the control board did not receive a feedback signal from that motor for more than 65 seconds during operation. This fault stops ice production and requires diagnosis of the fan motor, its wiring connections, and the motor drive circuit on the control board.
How do I fix the IF E error on my LG refrigerator?
Start by resetting the unit and entering Test 1 Mode to observe fan behavior. Check whether the ice maker fan blade spins freely or feels sticky, which could indicate ice obstruction or a seized motor. Next, inspect the wiring connections at the motor harness and measure voltage at CON3 pins 12 through 9. Depending on findings, the fix may be as simple as clearing an ice blockage, reseating a connector, or as involved as replacing the fan motor or the control board.
How much does it cost to repair the IF E error on an LG refrigerator?
Repair costs depend on the root cause. If the issue is simply a blocked or iced-over fan blade, there may be no parts cost at all. A replacement BLDC ice maker fan motor typically costs in the range of $30 to $80 for the part alone. If the control board's drive IC or transistor has failed and the board requires replacement, parts costs can range from $100 to $300 or more, with additional labor costs if a technician performs the repair.
Will resetting my LG refrigerator clear the IF E error?
A reset may temporarily clear the IF E error, and LG's diagnostic process actually recommends starting with a reset and entering Test 1 Mode as the first step. However, if the underlying cause, such as a jammed fan blade, a bad connection, or a failed motor or board component, is not corrected, the error will return within 65 seconds of the fan motor failing to produce a feedback signal again.
Is the IF E error on an LG refrigerator a safety concern?
The IF E error is not an immediate safety hazard, but it does indicate that the ice maker fan motor is not functioning correctly. Left unaddressed, the lack of airflow in the ice making compartment will halt ice production and could contribute to temperature inconsistencies in that section of the refrigerator. It is advisable to diagnose and resolve the error promptly to avoid further issues.

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