A07850

External alarm 1

Siemens · SINAMICS G120C Variable Speed Drive

What does A07850 mean?

An external condition has triggered "External alarm 1," typically via binector input p2112. This alarm indicates an external issue that requires attention but does not immediately stop the drive. Ignoring this alarm risks escalation of the external problem, potentially causing a subsequent fault, damage, or process disruption if the root cause remains unaddressed.

Source: Siemens SINAMICS G120C Variable Speed Drive
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