A00710

CB communication error

Siemens · SINAMICS G120 Variable Speed Drive

What does A00710 mean?

Communication has been lost with the Communication Board (CB) within the drive. This indicates a potential hardware fault with the CB or its connection, preventing proper data exchange and potentially disrupting external communication protocols, leading to a loss of control or monitoring capabilities.

Complete Troubleshooting Guide

  1. 1

    Inspect the Communication Board (CB) hardware for proper seating and secure connection within the drive.

  2. 2

    Check for any physical damage to the CB or its interface components.

  3. 3

    If the issue persists, the CB may need to be replaced after thorough inspection.