Ok Brian, it's very possible that a transformer
or other component has failed on the CCU, this is backed up by the error code you are getting on the machine.
Serial communication error Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly. Potential Causes
• Check Wire Harness connections to the MCU, the motor, and Central Control Unit (CCU)
• Check the Drive system for any worn or failed components
• Check MCU
• Check CCU
• Check Motor
• Check Wire Harness
Replace failed component.
The CCU is located right under the top of the machine, sounds like it will need to be replaced.
If you need the part number can you give me the full model number from the sticker around the door please.
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