Flying Start Speed Exceeded

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Immediate switch-off, specific to VFC n-CTRL operating mode, if the actual motor speed is detected to be greater than 5000 1/min when the inverter is enabled. The flying start function cannot engage at such high initial speeds.

• The motor speed during a flying start exceeded the allowed threshold.
• Attempting to synchronize with a rotating motor at too high a speed.
• Incorrect speed estimation or measurement during flying start.
• Parameter P1170 (Flying start speed) set too low or too high.

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1. 1

   Ensure the inverter is not enabled for flying start until the actual motor speed is observed to be less than or equal to 5000 1/min.