Davis Vantage Problem

[Steve Shuff]

Hi All,

I am hopeful someone can shed some light on this error .

My setup consist of a RPi 3 (Raspbian) running WeeWX 3.9.2 to which is connected a Davis Envoy logger, The ISS is transmitting OK as can be verified on the indoor console.

The setup runs fine until the Envoy batteries died, these were replaced and the Pi rebooted and the system restarted.

Now my data is not being produced on the graphs etc , Upon looking at the syslog I see two errors,

Apr  2 10:12:10 raspberrypi weewx[1195]: vantage: LOOP try #1; error: Expected to read 99 chars; got 0 instead

Apr  2 10:11:56 raspberrypi weewx[1195]: vantage: DMPAFT try #2; error: Unable to pass CRC16 check while sending data to Vantage console

Has anyone experienced this problem and what was the cure ? It has done it before when the batteries previously failed but I dont know what I did to remedy the situation.

Thanks for any help.

[Thomas Keffer]

Things to try:

1. It's possible the the logger was disturbed when you replaced the batteries. Try reseating it in the Envoy.

2. Your symptoms don't quite fit the usual pattern of corrupt memory, but it's worth trying to clear the memory of the logger anyway. Follow the directions under Corrupt station memory to clear the memory.

-tk

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[Steve Shuff]

Hello Thomas, 

Many thanks for your input.

Having followed your advice I now have the system up and running again, I think it must have been corrupt memory.

All sorted and many thanks.

Kind regards.

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Steve Shuff.