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+--- Thread: KNX RX TX not working (/showthread.php?tid=3462)
KNX RX TX not working - alex.barbulescu@gmail.com - 06.07.2021
Hello
I have reactor V2 and starting from couple days ago there is no interaction between Reactor and the other KNX equip in the building.
After some investigation I think there is a problem with the KNX bus from the Reactor. I verified the wires, I restarted couple times and also factory reset ant restore the configuration.
Nothing works
I attached a prtscr from knx statistics
What can I do? There is a hardware problem? can be fixed or I need to replace entire reactor?
Thank you
RE: KNX RX TX not working - Daniel - 07.07.2021
Did you check KNX PSU?
RE: KNX RX TX not working - Erwin van der Zwart - 07.07.2021
Is the KNX connection set to TP-UART?
RE: KNX RX TX not working - alex.barbulescu@gmail.com - 08.07.2021
(07.07.2021, 15:59)Erwin van der Zwart Wrote: Is the KNX connection set to TP-UART?It was EIBnet/IP Routing
But I tried all modes and nothing.
(07.07.2021, 07:22)Daniel. Wrote: Did you check KNX PSU?
PSU means Power source?
Logic machine is powered and also the other equipments in the system are working, independently
RE: KNX RX TX not working - Daniel - 08.07.2021
Ok but did you check voltage on KNX cable where it is connected to LM?
With routing mode TP will not work.
RE: KNX RX TX not working - alex.barbulescu@gmail.com - 08.07.2021
(07.07.2021, 15:59)Erwin van der Zwart Wrote: Is the KNX connection set to TP-UART?
MAN, you are great! After restarting in TP-UART is working now. But nobody modified anything. Before was in EIBnet/IP Routing and worked like this.
Can you please send some information regarding those modes, for future purposes?
Thank you for your help!!
RE: KNX RX TX not working - Daniel - 08.07.2021
TP will not work on EIBnet/IP Routing, if it worked then you must have another IP router on the network.
RE: KNX RX TX not working - admin - 08.07.2021
When TP is not connected there's a warning message. If you have clicked "yes" then it would have switched the KNX connection mode to IP instead of TP .