I think there must have been some data corruption in the packets that were on the Weather Envoy, likely owing to the power failure.
I used weectl to dump the data and clear memory on the Weather Envoy and everything came back to life and is working as expected. On Monday, August 26, 2024 at 5:47:34 PM UTC-5 Tom Keffer wrote: > I don't see it in the little log excerpt that you included, but double > check that you don't have two instances of weewxd running. If that's not > the case, set debug=1, restart weewx, let it run for a couple of reporting > cycles, then post the log. > > On Mon, Aug 26, 2024 at 3:45 PM Marty T <[email protected]> wrote: > >> I've had weewx running on my RaspberryPi for ages with no issues. >> Connected to a Davis Weather Envoy via USB. >> >> We had a power failure Saturday night and ever since then, weewx has not >> been able to communicate with the Davis unit. >> >> Standard CRC messages in the log: >> >> Aug 26 17:27:38 wxman weewxd[2609]: ERROR weewx.drivers.vantage: Unable >> to pass CRC16 check while sending data to Vantage console >> Aug 26 17:27:38 wxman weewxd[2609]: ERROR weewx.drivers.vantage: DMPAFT >> try #1; error: Unable to pass CRC16 check while sending data to Vantage >> console >> Aug 26 17:27:50 wxman weewxd[2609]: ERROR weewx.drivers.vantage: Unable >> to pass CRC16 check while sending data to Vantage console >> Aug 26 17:27:50 wxman weewxd[2609]: ERROR weewx.drivers.vantage: DMPAFT >> try #2; error: Unable to pass CRC16 check while sending data to Vantage >> console >> Aug 26 17:28:03 wxman weewxd[2609]: ERROR weewx.drivers.vantage: Unable >> to pass CRC16 check while sending data to Vantage console >> Aug 26 17:28:03 wxman weewxd[2609]: ERROR weewx.drivers.vantage: DMPAFT >> try #3; error: Unable to pass CRC16 check while sending data to Vantage >> console >> Aug 26 17:28:15 wxman weewxd[2609]: ERROR weewx.drivers.vantage: Unable >> to pass CRC16 check while sending data to Vantage console >> Aug 26 17:28:15 wxman weewxd[2609]: ERROR weewx.drivers.vantage: DMPAFT >> try #4; error: Unable to pass CRC16 check while sending data to Vantage >> console >> Aug 26 17:28:15 wxman weewxd[2609]: ERROR weewx.drivers.vantage: DMPAFT >> max tries (4) exceeded. >> >> I installed the (awful) WeatherLink software on my Windows PC and >> connected the Davis Weather Envoy and it immediately connected and >> downloaded about 500 data packets. So the issue doesn't seem to be with the >> Davis unit. >> >> I upgraded to the latest weewx, rebooted the RPi, still no joy. >> >> Any ideas why it would suddenly start failing after many months of >> flawless operation? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/93106b2f-3c5c-4fe5-963b-39756f7d1f1cn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/93106b2f-3c5c-4fe5-963b-39756f7d1f1cn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/163ad0e8-8112-444a-adac-7b9fd553f2ean%40googlegroups.com.
