Option Board Interconnection Fault

What does CPF23 mean?

An option board was not correctly connected to the control board, or an incompatible option board was attached. This fault indicates a problem with the physical interface or compatibility between the option and control boards, preventing data exchange.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Perform a factory initialization.

2. 4

   Cycle power to the Drive.

3. 5

   Replace the option board, or replace the control board if the option board connection is confirmed good.