I have a whirlpool washing

F11 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. if you want to I can give you several links for parts and drawings

Your owner's manual may have a trouble shooting section which may include a list of fault codes. If not, the list of fault codes will be contained within a tech sheet hidden in the washer somewhere, either behind the backguard or on the inside of the front panel.