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Error code reference

Maytag Washer Error Code F03

Accelerometer failure

Maytag codesMaytag washer codes

Accelerometer failure: the X, Y, and Z limits are outside of the normal range, possibly due to CCU dislodged from mounting or accelerometer failure on CCU.

First step from the service manual

Check that CCU is properly mounted; check accelerometer on CCU.

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

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What F03 means on a Maytag washer

The F03 error code on a Maytag washer indicates an accelerometer failure, specifically that the X, Y, and Z axis readings from the accelerometer are outside of their normal operating range. The accelerometer is a sensor integrated into the Central Control Unit (CCU) that monitors the washer's movement, vibration, and drum balance during operation. This data is used by the control system to detect out-of-balance loads, excessive vibration, and irregular spin behavior, allowing the machine to make real-time adjustments during the wash and spin cycles.

The most common trigger for F03 is the CCU becoming dislodged from its mounting position. When the CCU shifts or vibrates loose, the accelerometer readings no longer reflect accurate machine movement, causing the controller to detect axis values that fall outside acceptable thresholds. This can happen gradually due to vibration over time or after a particularly heavy or unbalanced load that causes abnormal machine movement. The fix in this scenario does not require replacing any parts, only reseating and securing the CCU to its proper mounting location.

If physically reseating the CCU does not clear the fault, the accelerometer component on the CCU itself may have failed. Because the accelerometer is integrated directly onto the CCU board, a failed accelerometer means the entire CCU must be replaced. Before condemning the board, technicians should confirm the CCU mounting is correct and inspect the mounting bracket and fasteners for damage. A reset of the control should be attempted after reseating to determine if the fault was positional rather than a true component failure.

Source: manufacturer service documentation.

Common causes of F03

  1. 01

    CCU dislodged from mounting

    Wiring / connection

    Vibration from heavy loads or unbalanced cycles can cause the CCU to shift out of its mounting bracket, causing the accelerometer to report incorrect axis readings. Inspect the CCU mounting location and reseat and secure the board firmly.

  2. 02

    Damaged or loose CCU mounting bracket

    Part replacement

    If the mounting bracket itself is bent, cracked, or missing fasteners, the CCU cannot be held securely enough for the accelerometer to function correctly. Inspect the bracket and replace it if damaged.

  3. 03

    Failed accelerometer on the CCU

    Part replacement

    The accelerometer sensor is built into the CCU circuit board. If the sensor has failed electronically, the entire CCU must be replaced since the accelerometer is not a separately serviceable component.

  4. 04

    CCU connector or wiring issue

    Wiring / connection

    Loose or damaged wiring connections to the CCU can contribute to erratic sensor behavior. Check all harness connectors at the CCU for secure seating and signs of corrosion or damage.

See the test procedure for each cause

Frequently asked questions about F03

What does F03 mean on a Maytag washer?
F03 on a Maytag washer indicates an accelerometer failure, meaning the motion sensor on the Central Control Unit is reporting X, Y, and Z axis readings outside of the normal range. The accelerometer monitors washer movement and drum balance during operation. This fault is triggered either by the CCU becoming loose from its mounting or by a hardware failure of the accelerometer on the CCU board itself.
Can I fix the F03 error myself without replacing parts?
In many cases, yes. The first step is to check that the CCU is properly seated and secured in its mounting bracket inside the washer. If the board has shifted or come loose, reseating it and confirming all fasteners are tight may resolve the fault without any parts. If the CCU is properly mounted and the error persists, a failed accelerometer on the board will require a CCU replacement.
Is it safe to use my Maytag washer while the F03 code is active?
It is not recommended to continue using the washer with an active F03 error. The accelerometer is used to monitor drum balance and detect unsafe vibration levels during spin. Without accurate sensor readings, the washer cannot properly manage out-of-balance loads, which could result in excessive machine movement or mechanical stress over time.
How much does it cost to repair a Maytag washer F03 error?
If the fix is simply reseating the CCU, there is no parts cost and only a service call fee if a technician is involved, typically in the range of $75 to $150. If the CCU board itself needs to be replaced due to a failed accelerometer, parts and labor together generally range from $200 to $450 depending on the specific model and local labor rates.
Will resetting the washer clear the F03 error code?
A reset may temporarily clear the F03 code, but it will return if the underlying issue has not been resolved. If the CCU was dislodged and has been properly reseated before the reset, the code should not return. If the accelerometer has failed on the CCU board, the fault will reappear regardless of how many times the unit is reset.

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