Line phase failure

What does F6.1 mean?

A missing line phase, periodically low DC link voltage, or inadequate line voltage quality has been detected in the incoming AC supply. This can lead to imbalanced motor operation, reduced torque, and potential damage to the inverter's input rectifier section if not addressed.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect fuses and contactors in the supply line for proper functioning and replace any defective components.