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Error code reference

LG Refrigerator Error Code F2 F5

Freezer fan error displayed on panel (BLDC fan motor abnormality).

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Freezer fan error displayed on panel (BLDC fan motor abnormality).

First step from the service manual

Reset the unit and enter Test Mode 1, check fan motor voltage at CON8.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F2 F5 means on a LG refrigerator

The F2 F5 error code on an LG refrigerator indicates a BLDC (brushless DC) freezer evaporator fan motor abnormality. The refrigerator's control board continuously monitors the fan motor's operational feedback signal. When the motor fails to start, runs outside its expected speed range, or loses its feedback signal entirely, the board triggers this fault code and displays it on the panel. BLDC fan motors differ from conventional AC motors in that they rely on electronic commutation and a feedback loop between the motor and the control board to maintain precise speed regulation.

The first diagnostic step is to reset the unit and enter Test Mode 1, then check the fan motor voltage at CON8 on the control board. This allows a technician to determine whether the board is correctly sending power to the motor or whether the fault lies within the motor assembly itself. If voltage is present at CON8 but the motor does not run, the motor is likely defective. If voltage is absent, the wiring harness or control board may be the root cause.

Common contributing factors include ice buildup around the fan blade restricting rotation, a failed motor winding, a damaged wiring harness between the motor and the control board, or a faulty main control board. Physical obstructions are worth ruling out first since they can mimic a motor failure without requiring any parts replacement. A thorough diagnosis should always include a visual inspection of the fan blade and evaporator compartment before condemning electrical components.

Source: manufacturer service documentation.

Common causes of F2 F5

  1. 01

    Ice blockage on fan blade or evaporator

    Wiring / connection

    Frost or ice buildup can physically prevent the fan blade from spinning, causing the control board to detect a motor fault. Inspect the evaporator compartment for visible ice accumulation around the fan assembly.

  2. 02

    Defective BLDC freezer fan motor

    Part replacement

    The motor windings or internal electronics of the BLDC motor can fail, preventing it from starting or maintaining the correct speed. If voltage is confirmed at CON8 but the motor does not run, the motor assembly needs replacement.

  3. 03

    Damaged or loose wiring harness

    Wiring / connection

    The wiring harness connecting the fan motor to CON8 on the control board can suffer from broken wires, corroded terminals, or loose connectors. Checking continuity and connector seating at CON8 is an essential step before replacing the motor.

  4. 04

    Failed main control board

    Part replacement

    If no voltage is present at CON8 during Test Mode 1 and the wiring harness tests intact, the main control board may not be outputting the correct signal or power to drive the fan motor.

  5. 05

    Fan blade obstruction or physical damage

    Part replacement

    A cracked or warped fan blade, or a foreign object lodged near the fan, can cause the motor to stall and trigger the fault code. A visual inspection of the blade and surrounding area can quickly rule this out.

See the test procedure for each cause

Frequently asked questions about F2 F5

What does F2 F5 mean on a LG refrigerator?
F2 F5 indicates a freezer fan motor abnormality, specifically related to the BLDC evaporator fan motor. The control board has detected that the fan motor is not operating correctly, either failing to start or losing its feedback signal. This fan is responsible for circulating cold air through the freezer and refrigerator compartments, so the error can impact overall cooling performance.
Can I fix the F2 F5 error code myself?
Some causes of F2 F5 are DIY-friendly, such as defrosting ice buildup around the fan blade or reseating a loose wiring connector. However, diagnosing the motor voltage at CON8 requires entering the refrigerator's Test Mode 1 and using a multimeter, which is better suited to experienced technicians or confident DIYers. Replacing the control board or fan motor involves working with electrical components and should be approached carefully.
Is it safe to keep using my refrigerator while F2 F5 is displayed?
Continuing to use the refrigerator with an active F2 F5 error is not recommended for extended periods. Without a functioning freezer fan, cold air cannot circulate properly, which means food temperatures may rise into unsafe ranges. Perishable items should be monitored closely and the issue addressed as soon as possible.
How much does it cost to repair a F2 F5 error on an LG refrigerator?
Repair costs vary depending on what component has failed. A replacement BLDC freezer fan motor typically costs between $30 and $80 for the part alone, while a new main control board can range from $100 to $250 or more. Adding professional labor, total repair costs generally fall between $150 and $400 depending on the diagnosis and local rates.
Will resetting my LG refrigerator clear the F2 F5 error?
A reset may temporarily clear the F2 F5 code, but if the underlying issue with the fan motor or its circuitry has not been resolved, the error will return. Resetting the unit is a recommended first diagnostic step and can help determine whether the fault is intermittent or persistent. A permanent fix requires identifying and correcting the root cause.

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