Input Phase Fault

What does 10 mean?

A malfunction in the supply voltage or issues with input fuses/cables are detected. The supervision for this fault requires a minimum load of 10-20% to function correctly. This fault indicates a problem with the incoming power supply to the drive, which can cause motor and drive instability.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Verify the rectifying bridge and the gate control of the thyristors (for MR6 and higher models) for proper operation.