DC Bus Charge Circuit Fault

What does DC Charge Circuit Fault mean?

There is a fault within the drive's internal charge circuit, which is responsible for gradually charging the DC bus capacitors upon power-up. This failure prevents the drive from safely starting, as the charge circuit protects against high inrush currents that could damage components.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If the fault continues to occur, it indicates a hardware failure in the charge circuit, and the drive must be replaced.