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Error code reference

Kenmore Refrigerator Error Code rF

Refrigerator fan motor RPM error.

Refrigerator fan motor RPM error.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
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What rF means on a Kenmore refrigerator

The rF error code on a Kenmore refrigerator indicates a refrigerator fan motor RPM error. This code is triggered when the control board detects that the evaporator fan motor in the fresh food or freezer compartment is not spinning at the expected speed, or has stopped rotating entirely. The evaporator fan is responsible for circulating cold air from the evaporator coils throughout the refrigerator compartments, and when its RPM falls outside the acceptable range, the appliance's cooling efficiency drops significantly.

The control board monitors fan motor speed through a feedback signal, often from a Hall effect sensor built into the motor. If the actual RPM deviates from the target RPM, the board logs the rF fault. Common triggers include a failed or failing fan motor, ice buildup around the fan blade that physically obstructs rotation, a damaged or bent fan blade, wiring harness issues between the motor and the control board, or a defective control board that is misreading the motor's feedback signal.

Because the evaporator fan is critical to maintaining proper temperatures in both compartments, an rF error should be addressed promptly. Running the refrigerator with a non-functional evaporator fan can lead to food spoilage and may cause the compressor to overwork. Diagnosis typically involves inspecting the fan for physical obstructions, checking for ice accumulation on the evaporator assembly, and testing the motor's electrical continuity and wiring connections before concluding that the motor or control board requires replacement.

Source: manufacturer service documentation.

Common causes of rF

  1. 01

    Ice buildup blocking the fan blade

    Wiring / connection

    Ice can accumulate around the evaporator fan blade, physically preventing it from spinning at the correct speed. Check for frost or ice buildup near the fan by removing the interior back panel, and run a manual defrost cycle if ice is present.

  2. 02

    Failed evaporator fan motor

    Part replacement

    The fan motor itself can burn out or seize over time, causing RPM to drop to zero or below the required threshold. The motor should be tested for continuity and proper voltage supply before replacement.

  3. 03

    Damaged or obstructed fan blade

    Part replacement

    A cracked, warped, or bent fan blade can cause erratic rotation and incorrect RPM readings. Visually inspect the blade for damage and confirm it spins freely without wobbling.

  4. 04

    Wiring harness fault

    Wiring / connection

    Loose, corroded, or broken wires between the fan motor and the control board can interrupt the RPM feedback signal, causing a false or genuine rF error. Inspect all connectors and wiring at the motor and board for damage or disconnection.

  5. 05

    Defective main control board

    Part replacement

    If the control board is faulty, it may misinterpret or fail to receive the fan motor's speed signal, triggering the rF code even when the motor is functioning correctly. This is typically diagnosed after all other causes have been ruled out.

See the test procedure for each cause

Frequently asked questions about rF

What does rF mean on a Kenmore refrigerator?
The rF code on a Kenmore refrigerator stands for a refrigerator fan motor RPM error. It means the control board has detected that the evaporator fan motor is not spinning at the correct speed. This fan is responsible for circulating cold air throughout the compartments, so when it fails, cooling performance drops. The error can be caused by ice blockage, a failed motor, wiring issues, or a faulty control board.
Can I fix the rF error on my Kenmore refrigerator myself?
Some causes of the rF error are DIY-friendly. If ice buildup is blocking the fan blade, manually defrosting the freezer section by unplugging the refrigerator for 24 to 48 hours may resolve the issue at no cost. Checking and reseating wiring connections at the fan motor is also within reach for a careful DIYer. However, replacing the fan motor or control board typically requires some technical skill and comfort working with appliance wiring.
Is it safe to keep using my Kenmore refrigerator while the rF code is showing?
It is not recommended to continue using the refrigerator normally with the rF error active. Without the evaporator fan running at the correct speed, the refrigerator cannot maintain safe food temperatures, which puts food at risk of spoilage. Prolonged operation under this condition can also stress the compressor. Address the error as soon as possible to avoid food loss or additional component damage.
How much does it cost to repair the rF error on a Kenmore refrigerator?
Repair costs vary depending on the root cause. If only a defrost cycle is needed to clear ice from the fan, there may be no cost at all. A replacement evaporator fan motor typically ranges from $20 to $80 for the part, with labor adding $75 to $150 if a technician is hired. A control board replacement is the most expensive scenario, with parts generally ranging from $100 to $300 or more depending on the model.
Will resetting my Kenmore refrigerator clear the rF error code?
A reset by unplugging the refrigerator for a few minutes may temporarily clear the rF code, but if the underlying cause is not resolved, the error will return. The only way to permanently clear the code is to fix the root cause, whether that is removing ice blockage, replacing the fan motor, repairing wiring, or addressing a faulty control board. A reset alone is not a repair.

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