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Error code reference

Maytag Washer Error Code F12

Motor sensor circuit failure on control board (machine functional).

Maytag codesMaytag washer codes

Motor sensor circuit failure on control board (machine functional).

First step from the service manual

Try to clear failure code by pushing Delicates & Knits key pad for one second; if it does not cancel, can be corrected by replacing control board.

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

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What F12 means on a Maytag washer

The F12 error code on a Maytag washer indicates a motor sensor circuit failure detected at the control board. This fault is specifically related to the circuit that monitors motor sensor signals, meaning the control board is not receiving or correctly interpreting feedback from the motor sensor system. Notably, the machine remains functional when this code appears, which distinguishes it from more severe faults that halt all operation.

The control board serves as the central processing unit for the washer, and the motor sensor circuit is responsible for relaying real-time data about motor behavior, including speed and position, back to the board. When this communication loop is disrupted or produces out-of-range readings, the board logs the F12 fault. The issue can stem from an internal failure within the control board itself, rather than necessarily a problem with the motor or external wiring.

Diagnosis begins with a simple reset attempt using the Delicates and Knits keypad. Pressing and holding that key for one second can clear the fault code if it was triggered by a temporary signal anomaly or a minor fluctuation in the circuit. If the code returns immediately or cannot be cleared with this step, the control board has likely developed an internal fault in the motor sensor circuit and will need to be replaced to resolve the condition permanently.

Source: manufacturer service documentation.

Common causes of F12

  1. 01

    Internal control board circuit failure

    Part replacement

    The motor sensor circuit on the control board itself can fail internally, producing the F12 code even when external components are intact. This is the most common cause when the reset procedure does not clear the fault.

  2. 02

    Temporary signal anomaly or power fluctuation

    Wiring / connection

    A brief voltage irregularity or signal glitch can trigger the F12 code without any underlying hardware damage. If the Delicates and Knits reset clears the fault and it does not return, this is likely the cause.

  3. 03

    Intermittent wiring connection to the control board

    Wiring / connection

    Loose or corroded connector pins at the control board harness can disrupt the motor sensor circuit signal. Inspecting and reseating connectors at the board may help identify this as the source.

  4. 04

    Motor sensor signal out of expected range

    Part replacement

    If the motor sensor is sending readings outside the parameters the control board expects, it can register as a circuit fault. This could point to a developing issue with the sensor feeding data to the board.

See the test procedure for each cause

Frequently asked questions about F12

What does F12 mean on a Maytag washer?
The F12 code on a Maytag washer indicates a motor sensor circuit failure detected at the control board. It means the board is not correctly processing motor sensor signals. The washer remains operational when this code is present, but the fault should be addressed to prevent further issues.
Can I fix the F12 error myself without replacing parts?
Yes, in some cases. Press and hold the Delicates and Knits keypad for one second to attempt a reset. If the code clears and does not return, no parts are needed. If the code persists after the reset attempt, the control board will need to be replaced, which is a more involved repair.
Is it safe to continue using my Maytag washer with an F12 error?
The F12 code is noted as machine functional, meaning the washer can still operate when this fault is present. However, running the machine with an unresolved control board circuit fault is not recommended long-term, as the underlying issue could worsen over time.
How much does it cost to fix a Maytag F12 error?
If the reset procedure clears the fault, the repair costs nothing. If the control board requires replacement, parts alone typically range from roughly $100 to $300 depending on the specific model, with professional labor adding additional cost if you hire a technician.
Will resetting the washer clear the F12 error code?
A reset using the Delicates and Knits keypad, held for one second, is the first recommended step and can clear the code if the fault was caused by a temporary signal issue. If the F12 code does not cancel after this procedure, the control board has an internal fault that requires replacement to resolve.

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