x065

CE4 BUS-OFF state of the system bus (CAN)

Lenze · 9300 Servo Controller

What does x065 mean?

The system bus (CAN) has entered a BUS-OFF state due to an excessive number of faulty telegrams. This indicates a severe and persistent communication problem on the CAN network, which is configured via parameter C0595.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check for sources of electromagnetic interference (EMI) near the CAN bus cabling.

  2. 4

    Review parameter C0595 related to CAN bus monitoring and error handling.

Source: Lenze 9300 Servo Controller
Open Manual (Page 347)