E2-48

Over/Undervoltage Detected

ABB · AC500-S Safety

What does E2-48 mean?

The Safety PLC has detected an abnormal power supply voltage condition (either too high or too low). This can lead to unstable operation or damage to the PLC components, compromising reliability.

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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