detailed error description:
COMMON CAUSES
- Power supply to the bus participant interrupted
- switched off / defective switch
- pulled/broken network cable
- Network problems/network congestion
- IP address conflict
SoLUTIONS
- Check the power supply of the bus participant
- Check the power supply of all switches
- Check the ports used on the switches for functionality (are LEDs active?)
- Check network cabling
- Check for unknown participants are connected to the network