Rufus S Old Fort , NC August 20, 2016 Appliance: Whirlpool Washer WFW8300SW00 F 28 the communication between the central control unit and the motor control unit cannot be sent correctly Washer starting acting erratic, went from not spinning to not starting at all. I check water valve, door switch, and motor control unit (mcd) before I figured out it was the central control unit (ccu). Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Nut Drivers