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Error code reference

Maytag Washer Error Code F/15

Motor Control Unit (MCU) error

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What the F/15 error code actually means

Your Maytag washer's motor controller, the board that runs the motor, has run into repeated problems and stopped the cycle to protect itself and the machine. This is often caused by a loose wire connection or a worn drive belt rather than a completely broken part. Starting with a power reset and a visual inspection of the belt and wiring connections is the recommended first step before replacing any components.

Diagnostic procedure

The full F/15 procedure

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1
First diagnostic step
Unplug washer or disconnect power, then check wire harness connections to MCU, motor, and CCU, and check drive belt.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F/15

Ranked by how often they cause this code
  1. 1Loose or faulty wire harness connections
  2. 2Worn or broken drive belt
  3. 3Failed or failing Motor Control Unit (MCU)
  4. 4Failing drive motor
  5. 5CCU communication fault

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Questions people ask about F/15

What does F/15 mean on a Maytag washer?
The F/15 code means the Motor Control Unit (MCU) has detected multiple resets or errors during a wash cycle. The MCU is the board responsible for directly controlling the drive motor. When it encounters repeated internal faults, it stops the cycle and displays this code to alert you that something in the motor control circuit needs attention.
Is it safe to keep using my washer when F/15 is displayed?
No, you should not continue running the washer while the F/15 code is active. The MCU has halted the machine because it detected a potentially damaging condition in the motor control system. Running the washer in this state could cause further damage to the MCU, the drive motor, or other components. Address the fault before resuming normal use.
Will resetting my Maytag washer clear the F/15 error code?
Unplugging the washer to cut power may temporarily clear the F/15 code, but if the underlying problem is not corrected, the error will return once the washer runs through another cycle. A power reset is a useful first step for diagnostics and is recommended before inspecting the wiring and drive belt, but it is not a fix on its own.
Can I fix the F/15 error myself, or do I need a technician?
Some causes of the F/15 error are DIY-friendly. Checking and reseating wire harness connections at the MCU, motor, and CCU requires only basic tools and no parts cost. Replacing a drive belt is also a manageable repair for most experienced DIYers. If the MCU or drive motor needs replacement, those repairs involve more technical skill, and a technician may be advisable if you are not comfortable working with appliance electronics.
How much does it cost to repair a Maytag washer F/15 error?
Repair costs vary depending on the root cause. A drive belt replacement typically runs in the range of $20 to $60 for parts, with additional labor if a technician is hired. An MCU replacement can range from $100 to $250 or more for the part alone. A drive motor is generally the most expensive component, often ranging from $150 to $350 or higher, not including labor.

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