mypros+
Error code reference

Kenmore Refrigerator Error Code FF

Freezing BLDC fan motor defective

Kenmore codesKenmore refrigerator codes

Freezing BLDC fan motor defective — motor defective, fan blade obstructed, or short/open wire of fan motor.

First step from the service manual

Turn off product, remove Grille Fan Assembly, and check movement of Freezer Fan Motor manually.

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

MyPros+ Max

Get the full diagnostic procedure for FF.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What FF means on a Kenmore refrigerator

The FF error code on a Kenmore refrigerator indicates a fault in the freezer compartment's BLDC (brushless DC) fan motor circuit. This fan is responsible for circulating cold air throughout the freezer and, in many configurations, into the fresh food compartment as well. BLDC motors are used because of their efficiency and precise speed control, but the control board monitors motor feedback signals continuously. When the board detects that the motor is not operating within expected parameters, it sets the FF code and may shut down the fan to prevent further damage.

There are three primary failure points associated with this code. First, the motor itself may have failed internally, which can result from bearing wear, winding failure, or overheating due to restricted airflow. Second, the fan blade may be physically obstructed by ice buildup, a dislodged component, or debris that prevents the blade from spinning freely. Third, the wiring harness connecting the fan motor to the control board may have an open circuit or a short, which disrupts the signal and power the motor requires to run.

The first recommended diagnostic step is to power off the refrigerator, remove the Grille Fan Assembly, and manually rotate the freezer fan motor blade. If the blade does not spin freely by hand, obstruction or a seized motor bearing is likely. If the blade rotates freely, the fault may lie in the motor windings or the wiring harness, and further electrical testing is needed to isolate the root cause.

Source: manufacturer service documentation.

Common causes of FF

  1. 01

    Ice buildup obstructing the fan blade

    Wiring / connection

    Excessive frost or ice accumulation around the fan housing can physically block the blade from spinning. This is often identifiable by a grinding or intermittent noise before the error appears, and is confirmed by manually checking blade movement after removing the grille assembly.

  2. 02

    Defective BLDC fan motor

    Part replacement

    The motor itself may have failed due to worn bearings or damaged internal windings. If the blade spins freely by hand but the motor does not run when power is restored, the motor unit likely needs replacement.

  3. 03

    Open or shorted wiring harness

    Part replacement

    A break or short in the wire harness between the fan motor and the control board will prevent proper motor operation. Inspect the harness for visible damage, pinching, or corrosion at the connector terminals.

  4. 04

    Seized motor bearings

    Part replacement

    Even without visible ice, the motor's internal bearings can seize from age or lack of lubrication, causing the blade to resist manual rotation. This is confirmed when the fan blade is stiff or completely locked when tested by hand.

See the test procedure for each cause

Frequently asked questions about FF

What does FF mean on a Kenmore refrigerator?
The FF code on a Kenmore refrigerator indicates a problem with the freezer BLDC fan motor. The control board has detected that the fan motor is not operating correctly, which could be due to a defective motor, a blocked fan blade, or a wiring fault in the fan motor circuit. This fan is critical for circulating cold air, so the issue should be addressed promptly to prevent temperature problems.
How do I fix the FF error code on my Kenmore refrigerator?
Start by turning off the refrigerator and removing the Grille Fan Assembly to access the freezer fan. Manually spin the fan blade to check for obstructions such as ice buildup or debris. If the blade is blocked by ice, defrost the area and restart the unit. If the blade moves freely but the error returns, the motor or wiring harness will need to be tested and likely replaced.
Will resetting my Kenmore refrigerator clear the FF error code?
A reset may temporarily clear the FF code, but if the underlying cause has not been resolved, the code will return once the control board detects the fan fault again. Resetting is useful for ruling out a transient glitch, but a persistent FF code requires physical inspection and repair of the fan motor, blade, or wiring.
Is it safe to keep using my refrigerator while the FF code is active?
Continuing to run the refrigerator with an active FF code is not recommended. Without a functioning freezer fan, cold air cannot circulate properly, which means freezer and fresh food compartment temperatures will rise. This puts stored food at risk and can also cause other components such as the compressor to work harder than intended.
How much does it cost to repair a Kenmore refrigerator FF error code?
Repair costs vary depending on the root cause. If only a defrost procedure is needed to clear ice from the fan, the cost may be minimal. If the fan motor requires replacement, parts alone typically range from $30 to $100 or more, with professional labor adding $100 to $250 depending on your location and service provider. A wiring harness repair may fall within a similar range.

Related Kenmore refrigerator codes

All Kenmore refrigerator codes
View all 146 Kenmore refrigerator codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass