18

Start Failed

Danfoss · VLT HVAC Drive FC 102

What does 18 mean?

The drive attempted to start the motor but failed to achieve successful operation. This could be due to mechanical issues, incorrect motor parameters, insufficient power, or an inability to overcome the initial load.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Ensure adequate power supply voltage and current capacity is available during the startup sequence.

  2. 4

    Check for faulty motor connections or internal motor issues such as winding problems.

Source: Danfoss VLT HVAC Drive FC 102
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