3 year old Whirlpool Duet - F07 error showing up 98% of the time on high spin; 70% of time on medium & low spin. Checked conections between MCU & CCU. Should I buy a new MCU or a new washer?

F07 Motor Control Unit Error
Description: The Central Control Unit has detected a short in the motor control unit. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes.

Check or Repais:
- Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
- Check the MCU
- Check the Drive Motor
- Check the Wire Harness

Hope helps.

Isnt F70, really is F07... this means Motor Control Unit Error
Description: The Central Control Unit has detected a short in the motor control unit. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes.

Check or Repais:
- Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
- Check the MCU
- Check the Drive Motor
- Check the Wire Harness

Hope helps.

"F07" Motor Control Unit Error
The Central Control Unit has detected a short in the motor control unit. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes. Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU). Check the MCU and the drive motor.

F07 - Motor Control Unit (MCU) Error - Disconnect power and unplug unit. Check wire harness connections between drive motor and Motor Control Unit (MCU), and between MCU and the Central Control Unit (CCU). Reconnect power and plug unit in.
Check the MCU by looking for operations of the drive motor, and check drive motor for powered rotations. Replace failed component.

Note: If this failure occurs during high-speed spin, the door will be unlocked after three minutes.

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F06-Drive Motor Tachometer Error
The control is unable to properly detect motor speed and the machine will shut down. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes.

• Check wire harness connections between the Drive Motor/Tachometer and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
• Check the Drive Motor
• Check the MCU
• Check the Wire Harness

F07 - Motor Control Unit (MCU) Error - Disconnect power and unplug unit. Check wire harness connections between drive motor and Motor Control Unit (MCU), and between MCU and the Central Control Unit (CCU). Reconnect power and plug unit in.
Check the MCU by looking for operations of the drive motor, and check drive motor for powered rotations. Replace failed component.

Note: If this failure occurs during high-speed spin, the door will be unlocked after three minutes.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

The F07 indicates a Motor Control Unit (MCU) Error.

1. Disconnect mains power and unplug unit.
2. Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
3. Check the MCU
4. Check the Drive Motor
5. Check the Wire Harness
6. Reconnect power and plug unit in.
7. Check the MCU operation by looking for movement of the drive motor, and check drive motor for fully powered rotation.
8. Replace failed component. Note: If this failure occurs during high-speed spin, the door will be unlocked after three minutes.

Select PAUSE/CANCEL twice to cancel the cycle.
Select DRAIN/SPIN if there is excessive water in the washer.
Re select cycle and select HOLD TO START.

F07 - Motor Control Unit (MCU) Error - Disconnect power and unplug unit. Check wire harness connections between drive motor and Motor Control Unit (MCU), and between MCU and the Central Control Unit (CCU). Reconnect power and plug unit in.
Check the MCU by looking for operations of the drive motor, and check drive motor for powered rotations. Replace failed component.

Note: If this failure occurs during high-speed spin, the door will be unlocked after three minutes.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

F/06 Drive Motor Tachometer Error
The control is unable to properly detect motor speed and the machine will shut down. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes.

• Check wire harness connections between the Drive Motor/Tachometer and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
• Check the Drive Motor
• Check the MCU
• Check the Wire Harness

F07 - Motor Control Unit (MCU) Error - Disconnect power and unplug unit. Check wire harness connections between drive motor and Motor Control Unit (MCU), and between MCU and the Central Control Unit (CCU). Reconnect power and plug unit in.
Check the MCU by looking for operations of the drive motor, and check drive motor for powered rotations. Replace failed component.

Note: If this failure occurs during high-speed spin, the door will be unlocked after three minutes.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question