E2-1

Wrong User Data / Internal Error (SM560-S)

ABB · AC500-S Safety

What does E2-1 mean?

The user data on the Safety PLC is incorrect, corrupted, or an internal error related to user data handling has occurred. This prevents the PLC from correctly processing or storing application-specific information, affecting system functionality.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Contact ABB technical support.

  2. 4

    Replace Safety PLC.

Source: ABB AC500-S Safety
View Official PDF