A30049

Power unit: Internal fan faulty

Siemens · DCM

What does A30049 mean?

The internal cooling fan within the power unit has failed. This is a critical alarm as the fan is essential for dissipating heat. Continued operation without a functional fan will rapidly lead to overtemperature faults and potentially irreversible damage to the power unit's electronics.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Replace the internal fan if it is confirmed to be faulty and not operating.

Source: Siemens DCM
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