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Error code reference

GE Refrigerator Error Code F105

Condenser fan cannot reach target RPM.

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Condenser fan cannot reach target RPM.

First step from the service manual

Check condenser fan motor; running at 100% for 2 minutes without reaching target.

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

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What F105 means on a GE refrigerator

The F105 error code on a GE refrigerator indicates that the condenser fan motor is running at 100% output but failing to reach its target RPM within a 2-minute window. The condenser fan is responsible for drawing air across the condenser coils, which dissipates heat from the refrigerant and allows the compressor to operate efficiently. When this fan cannot spin fast enough, heat builds up around the condenser, reducing cooling efficiency and potentially causing the compressor to overheat and shut down.

The control board monitors fan motor speed continuously. When it detects that the motor has been commanded to full power and still cannot meet the required RPM threshold after 2 minutes, it flags F105 and records the fault. This design ensures the system does not silently degrade in cooling performance without alerting the technician or user.

Common triggers include physical obstructions blocking the fan blade, a failing motor with worn bearings or a weakening winding, or debris buildup around the condenser area restricting airflow. Wiring issues between the control board and the fan motor, such as a loose connector or damaged harness, can also cause incorrect speed signals. In some cases, the motor itself has failed internally and will not respond to full voltage with adequate torque to reach the target speed.

Source: manufacturer service documentation.

Common causes of F105

  1. 01

    Blocked or obstructed fan blade

    Wiring / connection

    Dust buildup, debris, or an object lodged against the fan blade can physically prevent it from reaching target RPM. Inspect the condenser fan area for any obstructions and clean accumulated debris from the blade and surrounding housing.

  2. 02

    Worn or failing condenser fan motor

    Part replacement

    A motor with worn bearings or degraded windings may not generate enough torque to reach target speed even at full power. Signs include unusual noise from the motor or resistance when the blade is turned by hand.

  3. 03

    Wiring harness or connector fault

    Wiring / connection

    A loose, corroded, or damaged connector between the control board and the fan motor can cause the motor to receive insufficient voltage or send incorrect speed feedback. Inspect all connectors in the fan motor circuit for corrosion, pin damage, or loose fit.

  4. 04

    Control board output failure

    Part replacement

    If the control board is not supplying proper voltage or PWM signal to the fan motor, the motor will be unable to reach target RPM regardless of its condition. This is typically diagnosed after confirming the motor and wiring are both in good condition.

  5. 05

    Heavy condenser coil dust buildup

    Wiring / connection

    Severely clogged condenser coils increase the thermal load on the system and force the fan to work harder. While this alone may not trigger F105, it can push a marginal motor over the threshold into failure.

See the test procedure for each cause

Frequently asked questions about F105

What does F105 mean on a GE refrigerator?
F105 means the condenser fan motor has been running at 100% power for 2 minutes without reaching its target RPM. The control board detects this failure and logs the fault to alert you that the fan is not operating correctly. This fan is critical for removing heat from the condenser coils, and without it working properly, the refrigerator's cooling performance will decline.
Can I fix the F105 error myself?
Some causes of F105 are DIY-friendly, such as clearing debris from the fan blade or cleaning the condenser coils. However, replacing the fan motor or diagnosing a control board issue typically requires experience with appliance wiring and component testing. If basic cleaning does not resolve the fault, a qualified technician should perform further diagnosis.
Is it safe to keep using my refrigerator when F105 is showing?
Continuing to run the refrigerator with an active F105 error is not recommended. A condenser fan that cannot reach target RPM will allow heat to build up around the compressor, which can shorten the compressor's lifespan or cause it to shut down entirely. Food safety may also be at risk if cooling performance drops significantly.
Will resetting the refrigerator clear the F105 error code?
A reset may temporarily clear the F105 code, but if the underlying problem with the condenser fan is not fixed, the error will return quickly. The control board triggers F105 based on real-time fan speed monitoring, so the fault will reappear as soon as the motor again fails to reach its target RPM.
How much does it cost to repair an F105 error on a GE refrigerator?
Repair costs depend on the root cause. Cleaning the fan and condenser area yourself costs little to nothing. A replacement condenser fan motor typically ranges from $40 to $120 for the part, with labor adding $80 to $200 depending on your area. A control board replacement, if needed, can range from $150 to $400 or more for parts and labor combined.

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