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Error code reference

Kenmore Washer Error Code E5F

Communication problem between control board and speed control board.

Kenmore codesKenmore washer codes

Communication problem between control board and speed control board.

First step from the service manual

Refer to test (13) - Check wiring between control board and speed control board.

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

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What E5F means on a Kenmore washer

The E5F error code on a Kenmore washer indicates a communication failure between the main control board and the speed control board (also referred to as the motor control board). These two boards work in tandem to regulate motor operation: the main control board sends commands regarding wash cycle, spin speed, and direction, while the speed control board interprets those signals and drives the motor accordingly. When the communication link between them is interrupted or corrupted, the washer cannot safely operate the motor and triggers E5F to halt the cycle.

The most common source of this fault lies in the wiring harness that connects the two boards. Loose connectors, corroded terminals, chafed wire insulation, or a broken wire within the harness can all disrupt the data signal passing between the boards. Because the washer vibrates significantly during spin cycles, wiring connections are subject to mechanical stress over time, making them a frequent failure point. The first diagnostic step is a thorough inspection of this wiring path, including unplugging and reseating all connectors at both the control board and speed control board ends.

If the wiring and connectors check out and show no visible damage or resistance anomalies, the fault may lie within one of the boards themselves. A failed communication circuit on either the main control board or the speed control board can produce the same E5F code. Determining which board is at fault typically requires following the full diagnostic test procedure (test 13) to isolate the defective component before ordering replacement parts.

Source: manufacturer service documentation.

Common causes of E5F

  1. 01

    Loose or disconnected wiring harness connector

    Wiring / connection

    The connector linking the main control board to the speed control board may have worked loose due to vibration. Unplug the washer, locate both boards, and firmly reseat all connectors at each end of the harness.

  2. 02

    Damaged or broken wire in the harness

    Part replacement

    A wire in the communication harness between the two boards may be chafed, pinched, or broken internally. Inspect the full length of the harness for visible damage and use a multimeter to check for continuity on each wire.

  3. 03

    Corroded or burnt connector terminals

    Part replacement

    Moisture or heat can corrode or oxidize the terminal pins at either board connector, increasing resistance and disrupting the signal. Look for green corrosion, discoloration, or pitting on the terminal contacts.

  4. 04

    Failed speed control board

    Part replacement

    If wiring and connectors are intact, the speed control board itself may have a failed communication circuit. This requires following the full test 13 diagnostic sequence to confirm before replacing the board.

  5. 05

    Failed main control board

    Part replacement

    Less commonly, the main control board's communication circuit can fail and generate the E5F code. This should be considered only after the wiring and speed control board have been ruled out through proper diagnostic testing.

See the test procedure for each cause

Frequently asked questions about E5F

What does E5F mean on a Kenmore washer?
E5F indicates a communication problem between the main control board and the speed control board. These two boards must exchange signals continuously to operate the motor correctly. When that communication link fails or is interrupted, the washer displays E5F and stops the cycle to prevent damage.
Can I fix E5F on my Kenmore washer myself?
Yes, in many cases the fix is straightforward. Start by unplugging the washer and inspecting the wiring harness that runs between the main control board and the speed control board. Reseating loose connectors or replacing a damaged wire section is within reach for a mechanically inclined DIYer. If boards need replacement, the job becomes more involved but is still doable with the right part and basic tools.
Will resetting the washer clear the E5F error code?
A reset may temporarily clear the code, but if the underlying wiring or board fault is still present, E5F will return as soon as the washer attempts to run the motor again. Resetting is not a fix, it only clears the stored fault. The communication path between the two boards needs to be physically inspected and repaired.
Is it safe to use my Kenmore washer while E5F is showing?
No, you should not attempt to run the washer while E5F is active. The error means the motor control system is not functioning reliably, and running the machine could cause additional damage to the motor, the boards, or both. Leave the washer unplugged until the fault is diagnosed and repaired.
How much does it cost to repair a Kenmore washer E5F error?
Repair costs depend on what component is at fault. If only a wiring repair or connector replacement is needed, parts costs are typically in the range of a few dollars to around $30. A replacement speed control board or main control board generally runs anywhere from $80 to $250 or more depending on the specific model, plus labor if you hire a technician. Getting a proper diagnosis first avoids replacing the wrong part.

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