8706
Internal PROFIsafe Error
ABB · AC500 Function Block Libraries
What does 8706 mean?
A critical internal error has been detected within the PROFIsafe communication stack or functionality of the Safety PLC. This error directly compromises the PLC's ability to participate in safe communication and to process safety-critical data from other PROFIsafe devices. The entire safety system's integrity is at risk.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Contact ABB technical support for detailed diagnostics and assistance.
Source: ABB AC500 Function Block Libraries
View Official PDF