E2-40

Wrong Firmware Version

ABB · AC500-S Safety

What does E2-40 mean?

The Safety PLC is operating with an incorrect or incompatible firmware version. This can lead to unexpected behavior, functional limitations, or complete system failure, compromising safety.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    If this error persists, replace Safety PLC.

Source: ABB AC500-S Safety
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