8488

Wrong Firmware Version

ABB · AC500 Function Block Libraries

What does 8488 mean?

The Safety PLC is currently operating with a firmware version that is incorrect, outdated, or incompatible with the loaded application or other system components. This mismatch can lead to instability, unexpected behavior, functional limitations, or failure of safety functions. Updating the firmware is essential for reliable and safe operation.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Perform a controlled restart of the Safety PLC after the firmware update.

  2. 4

    If the error persists even after a successful firmware update, replace the Safety PLC.

Source: ABB AC500 Function Block Libraries
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