Option Card Fault

What does CPF20 mean?

An input fault on the option board or an A/D converter fault on the option card. This indicates a problem with the option board's ability to process analog inputs or a fault with its internal converter, affecting external sensor readings.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Cycle power to the Drive.

2. 4

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