RFXtrx433E losing contact with sensors

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DeVille70
Posts: 5
Joined: Friday 04 December 2015 22:45
Target OS: Raspberry Pi
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RFXtrx433E losing contact with sensors

Post by DeVille70 » Sunday 29 April 2018 8:28

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
Posts: 694
Joined: Friday 12 July 2013 18:13
Target OS: -
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Location: Netherlands
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Re: RFXtrx433E losing contact with sensors

Post by b_weijenberg » Sunday 29 April 2018 11:46

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
RFXtrx433, RFXtrx433E, RFXtrx433XL

DeVille70
Posts: 5
Joined: Friday 04 December 2015 22:45
Target OS: Raspberry Pi
Domoticz version:
Contact:

Re: RFXtrx433E losing contact with sensors

Post by DeVille70 » Sunday 29 April 2018 22:56

Thanks, I will try those.

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