E4-9526

I/O Module Does Not Support Hot Swap

ABB · System

What does E4-9526 mean?

An I/O module that does not support hot swap functionality has been detected on a hot swap terminal unit. This configuration mismatch can lead to improper operation, module damage if removed/inserted while powered, or general system errors. Modules not designed for hot swap require specific handling.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Ensure that only hot swap compatible modules are used on hot swap terminal units to prevent operational issues.

Source: ABB System
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