E2-9258

I/O Bus Communication Breakdown

ABB · System

What does E2-9258 mean?

Communication has been completely lost with an I/O bus module, indicating a breakdown in the communication link. This critical failure means the module is no longer accessible or functional within the system, leading to a complete loss of I/O control for that module.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check for any network configuration errors or addressing conflicts.

  2. 4

    If communication cannot be restored after thorough checks, replace the I/O module or relevant communication hardware.

Source: ABB System
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