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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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. 1

    Check the safety PLC configuration.

Browse all codes in this manual (58)
Verified technical data. Last updated: April 2026

Related Faults

1Safety Destination Address Not Valid (V2 CPU)10Parameter F_SIL Exceeds Specific Application SIL (V2 CPU)11Safety Watchdog Time Zero (V2 CPU)
Source: ABB PB610 Panel Builder 600 Programming Software
Open Manual (Page 434)Search more codes in this manual