Voltage Limit (DC-link voltage insufficient)

What does 64 mean?

The combination of the current load and motor speed demands a motor voltage higher than the actual DC-link voltage available in the frequency converter. This indicates that the drive cannot supply the necessary voltage for the commanded operation, potentially due to a low DC-link, excessive load, or too high a speed command for the input voltage.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Lower the commanded motor speed if it is pushing the drive beyond its voltage capabilities.

2. 4

   Verify DC-link voltage regulation components if the input voltage is stable but DC-link is low.