1030

LU Undervoltage in the DC bus

Lenze · 9300 Servo Controller

What does 1030 mean?

The DC bus voltage has fallen below the specified threshold, which is determined by parameter C0173. This condition indicates insufficient input power, potentially due to issues with the mains supply or the connection cables.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Verify the setting of parameter C0173 to ensure it is correctly configured for the mains voltage range.

Source: Lenze 9300 Servo Controller
Open Manual (Page 456)