Question:

What does Error Code AC2 mean?

Answer:

Error Code AC2 refers to a diagnostic check on the I/O Board's communication capabilities.

Terms:

Error Code (abbreviation for the specific error or issue encountered)

AC2 (the specific error code related to the I/O Board communication check)

Diagnosis (the process of identifying an error or problem)

I/O Board (abbreviation for Input/Output Board, responsible for handling communication between different components)

Communication (the exchange of information between devices or components)