Customer Questions and Answers for Main Control Board (Ccu) by Whirlpool

This is the washer's main electronic control. As the central control unit, it manages power and communication to key components so cycles start, run, and finish correctly—restoring reliable operation when the original board fails.

• Controls overall cycle timing and option execution
• Distributes power/signals to the water inlet valves, drive motor, drain pump, door lock, and user interface
• Common failure symptoms: won't power on or start, won't advance/complete cycles, unresponsive or intermittent controls

• Disconnect power before service and follow all safety precautions
• Handle the board by the edges and use ESD protection
• Photograph/label wire harnesses; seat all connectors fully and secure routing
• After installation, run the appliance's diagnostic/test cycle to verify operation