Hi Greg,

Thank you for the suggestions.  I just install again weewx with general configs and selecting WMR300 driver .  As suggested did not connected the USB cable to not download the measurements from the station .  The issue is that :

 wmr300: history limit is 20% at index 6572
Aug 12 13:35:08 meteopi weewx[686]: engine: Import of driver failed: Unable to find station on USB: cannot find device with VendorID=0x0fde ProductID=0xca08 (<class 'weewx.drivers.wmr300.WMR300Error'>) Aug 12 13:35:08 meteopi weewx[686]: engine: Unable to load driver: Unable to find station on USB: cannot find device with VendorID=0x0fde ProductID=0xca08
Aug 12 13:35:08 meteopi weewx[686]:     ****  Exiting...

and Weewx does not generate a clean database nor the html files in order to put the old database

Any ideeas ?




On 11-Aug-19 22:10, Greg Troxel wrote:
"Paul Lacatus (Gmail)" <[email protected]> writes:

After recovering the procedure is to reinstall Weewx and after to copy
the saved database over the new one ?
Right now, your data logger, if your station has one, probably has data
for the downtime.  So what I'd do is:

   disconnect the cable to the logger

   reinstall weewx

   recover the config (and customized skins as someone else suggested)

   copy in the database (and save a copy of the old database multiple
   other places!)

   start up weewx and make sure you can generate plots etc.  The point is
   not that you can't fix that later but it proves that the old data from
   the db is accessible

   shut down weewx, reconnect the wx station cable, and start up

If your station doesn't log, then the disconnect/test/reconnect step is
not in order, and as long as the database is ok you can fix
skin/generation/upload at your leisure.

Note that I have not done what I am telling you to do; it's based on
understanding not experience.


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