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Error code reference

Kenmore Refrigerator Error Code Er rF

Abnormality of BLDC fan motor for refrigerator

Abnormality of BLDC fan motor for refrigerator - feedback signal not received within 65 seconds during operation; caused by poor BLDC motor connection, drive IC, or TR.

First step from the service manual

Check BLDC motor connection, drive IC, and TR.

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

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What Er rF means on a Kenmore refrigerator

Er rF indicates the refrigerator control board did not receive a feedback signal from the BLDC (brushless DC) fan motor within a 65-second window during operation. The control board continuously monitors the fan motor's feedback signal to confirm the motor is spinning at the correct speed. When that signal is absent for 65 seconds, the board logs this fault. The three most likely hardware causes are a failed or disconnected wiring harness to the BLDC motor, a faulty drive IC, or a failed transistor (TR) in the motor drive circuit.

For homeowners: this code means the refrigerator's internal fan motor is not communicating back to the main board. The fan circulates cold air throughout the refrigerator compartment. If the fan is not running or not being detected, the refrigerator may lose cooling efficiency or stop cooling altogether. This is not a minor warning to ignore.

The code does not self-resolve through power cycling in most cases because the underlying electrical fault persists. Diagnosis starts at the BLDC motor connector and works outward to the drive IC and TR components on the control board.

Source: manufacturer service documentation.

Common causes of Er rF

  1. 01

    Loose or damaged BLDC motor wiring connection

    Wiring / connection

    If the wiring harness connector to the BLDC fan motor is loose, corroded, or has a broken wire, the feedback signal cannot reach the control board. This interrupts the 65-second monitoring window and triggers Er rF.

  2. 02

    Failed BLDC fan motor

    Part replacement

    The brushless DC fan motor itself can fail mechanically or electrically, preventing it from spinning and sending no feedback signal back to the board. A seized or burned-out motor must be replaced to clear this fault.

  3. 03

    Faulty drive IC in the motor control circuit

    Part replacement

    The drive IC is the integrated circuit responsible for converting control board commands into the signals that power the BLDC motor. If the drive IC fails, the motor receives no proper drive signal and produces no feedback, triggering this error.

  4. 04

    Failed transistor (TR) in the motor drive circuit

    Part replacement

    The TR (transistor) works alongside the drive IC to switch power to the BLDC motor coils. A shorted or open transistor breaks the motor drive circuit, preventing motor operation and eliminating the feedback signal the board expects.

See the test procedure for each cause

Frequently asked questions about Er rF

What does Er rF mean on a Kenmore refrigerator?
Er rF means the control board did not receive a feedback signal from the BLDC fan motor within 65 seconds during operation. The BLDC motor is the brushless DC fan motor that circulates air through the refrigerator compartment. The fault points to a problem with the motor connection, the drive IC, or the transistor in the motor drive circuit.
How do I fix Er rF on a Kenmore refrigerator?
Start by unplugging the refrigerator and inspecting the wiring harness connector at the BLDC fan motor for loose pins, corrosion, or broken wires. Reconnect or repair the connector and power the unit back on to see if the code clears. If the connection is intact, the fault is likely inside the drive circuit, meaning the drive IC or transistor on the control board has failed and the board will need to be replaced or repaired by a technician.
Can I still use my Kenmore refrigerator with the Er rF code active?
Using the refrigerator with Er rF active is not advisable for extended periods. If the BLDC fan motor is not running, cold air will not circulate properly through the compartment, and food temperatures will rise to unsafe levels. You can briefly check for spoilage risk, but the unit should be repaired before relying on it for food storage.
How much does it cost to fix Er rF on a Kenmore refrigerator?
If the fix is simply reseating a loose wiring connector, there is no parts cost and only your time is involved. Replacing a failed BLDC fan motor typically costs between $40 and $120 for the part, plus one to two hours of labor if you hire a technician. If the control board's drive IC or transistor has failed and the entire board needs replacement, expect parts costs between $100 and $300 depending on the model, with additional labor on top.
Will unplugging my Kenmore refrigerator reset the Er rF code?
A power reset may temporarily clear the display, but Er rF will return within 65 seconds of the fan motor failing to send a feedback signal if the underlying hardware fault is still present. A reset alone does not fix the motor connection, drive IC, or transistor issue causing the code.

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