29

Power board over temp

Danfoss · VLT Micro Drive FC 51

What does 29 mean?

The heat-sink cut-out temperature of the drive's power board has been reached, indicating excessive internal temperature. This can be caused by high ambient temperature, blocked ventilation, sustained overload, or a malfunctioning cooling fan, risking damage to power components.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Ensure there is sufficient airflow around the drive and within its enclosure, maintaining adequate clearance distances.

  2. 4

    Reduce the load on the drive if it is operating at or near its thermal limits, or consider upsizing the drive for the application.

Source: Danfoss VLT Micro Drive FC 51
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