43

Internal PROFIsafe F-Device Error

ABB · AC500 Function Block Libraries

What does 43 mean?

An internal error has occurred within the PROFIsafe F-Device functionality of the safety PLC. This indicates a critical malfunction that could compromise the integrity and reliability of safety functions within the system. If left unaddressed, the safety PLC may not operate correctly or may fail to perform its safety-critical tasks.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Contact ABB technical support with details of the persistent error before replacement.

Source: ABB AC500 Function Block Libraries
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