19
CRC1-Fault (V2 CPU)
ABB · PB610 Panel Builder 600 Programming Software
What does 19 mean?
A CRC1-Fault has occurred in an AC500 V2 non-safety CPU PM5xx system. This indicates a data integrity error during PROFIsafe communication, suggesting corruption of safety-critical data telegrams.
Common Causes
- A CRC1 error has been detected during internal V2 CPU processing.
- Data integrity issue within the CPU's memory or registers.
- Hardware fault within the V2 CPU.
- Corrupted program data.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the safety PLC configuration.
Verified technical data. Last updated: March 2026
Related Faults
Source: ABB PB610 Panel Builder 600 Programming Software