LSU charge failed

What does 7584 mean?

The supply unit (LSU) did not become ready (e.g., main contactor/breaker closing) within the expected timeframe. This indicates a problem with the LSU's pre-charging or readiness sequence. The drive cannot operate without a ready supply unit.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Ensure the supply unit is enabled, allowed to start, and can be controlled by the inverter unit (e.g., not in local control mode).