53

Fieldbus Communication Fault

Vacon · NX Liquid-Cooled Drive

What does 53 mean?

The data connection between the fieldbus Master and the fieldbus option board in the AC drive is broken. This prevents the drive from communicating with the fieldbus network, disrupting control and data exchange.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check the fieldbus network status from the master device or other nodes on the network.

Source: Vacon NX Liquid-Cooled Drive
Open Manual (Page 156)