RFXtrx433E losing contact with sensors

[DeVille70]

I have a RFXtrx433E connected to an RPi running Domoticz. After having run without any problems for a couple of years now, lately the RFXtrx433E has starting to lose connection with my temperature sensors (9 of them of two different brands). Restarting Domoticz does not help, but restarting the RFXtrx433E by disconnecting the cable for a few seconds fixes things immediately. But after some days or a couple of weeks all the temperature sensors drop connection again.

Any clues, please?

[b_weijenberg]

It seems the FTDI USB interface becomes in a lock state.
See also the FAQ in the RFXtrx User Guide.

Try this:
- a shorter USB cable
- don't run the cable along power lines
- use a quality power supply on the RPI
- connect the RFXtrx on a powered USB hub with a good quality power supply

[DeVille70]

Thanks, I will try those.