Kenmore Elite Washer F1 Error Code

Kenmore washer machine began displaying F1 Error Code. What is the reason for that error code? What part do I need to replace?:eek:

Under the top is a set of tech notes which you can use to interpret the error codes and do some diagnostics. Your error code indicates a main control unit failure.

thank you for your response

— Begin quote from sidfink43;460657

Under the top is a set of tech notes which you can use to interpret the error codes and do some diagnostics. Your error code indicates a main control unit failure.

— End quote

When stuck in the F1 mode is it full of water?