CONTROL-BUS ERR.

What does 1414 mean?

A fault of a loaded module was detected, or in a multiple CPU system, a CPU module incompatible with the multiple CPU system is mounted. This indicates an issue with an installed module or an incorrect CPU type, affecting system operation.

• Fault of a loaded module was detected.
• In a multiple CPU system, a CPU module incompatible with the multiple CPU system is mounted.

Click steps to track your progress.

1. 1

   Remove the CPU module incompatible with the multiple CPU system from the main base unit, or replace the CPU module with a CPU module compatible with the multiple CPU system.

2. 2

   Reset the CPU module and RUN it again. If the same error is displayed again, the intelligent function module, CPU module or base unit is faulty.