3

No motor connected

Danfoss · VLT HVAC Drive FC 102

What does 3 mean?

No motor is detected connected to the output of the frequency converter. This prevents the drive from starting or operating correctly, as it expects a motor load. Attempting to run without a motor can cause issues with the drive's output stage.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Ensure motor parameters in the drive are correctly set for proper motor detection.

Source: Danfoss VLT HVAC Drive FC 102
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