PROFIBUS/PROFINET: Fault on bus, slave/device

What does 380501 mean?

This alarm indicates that a fault has occurred on an assigned PROFIBUS/PROFINET slave or device, and its fault memory contents have been reported. The alarm provides the bus number, slave/device number, DO ID (%1), the fault code (%2), fault value (%3), and fault time (%4) of the device. This signifies a device-level fault on the bus, which requires consulting the device's documentation to prevent communication failures and system downtime.

Complete Troubleshooting Guide

1. 1

   Refer to the specific slave/device documentation to interpret the reported fault code (%2) and fault value (%3) from the alarm message.

2. 2

   Address the root cause based on the device manufacturer's troubleshooting guide for the identified device fault.