DAVIS WeatherLink Guide de dépannage Page 18

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TROUBLESHOOTING GUIDE
Program Problems
16
? No wind direction reading (or dashes instead of a reading) appears in my data-
base.
Be aware that if there is no wind speed when the direction is being sampled,
wind direction is not recorded. During intervals with no wind speed, no direc-
tion will be recorded.
CAUTION:Since high wind speed is sampled more often, it is possible to have a high
wind speed but no wind speed.
? Vantage Pro Only: WeatherLink says “No new data to download” but I know
there’s data there. What can I do?
Vantage is smart enough to send only data it hasn’t already sent to the com-
puter. So, when you initiate a new download, the program will retrieve the
first record after the last record shown in the WeatherLinks Browse Window.
Older data is stored in the logger as a backup. To see how many of these
backup records are stored in the logger, create a new station and download the
data into this new database. Because there are no records stored in the station
you just created, WeatherLink will download everything it has stored.
Next, try clearing the archive memory using the clear dialog box. You will lose
any data not already downloaded in your archive memory, but all of your cal-
ibration numbers and alarm settings will remain intact. If this doesn’t work,
reboot your weather station (that is, remove, then restore all power to the sta-
tion).
CAUTION:Make sure to put the console in Setup Mode (by pressing the DONE and
DOWN arrow keys) before removing the batteries. The ensures the station
will not try to write any data when the power goes off.
? Monitor, Wizard and Perception Only: My archive memory is empty and I know
it should not be. What can I do?
First try using the “Set Archive Interval” command in the Setup menu to clear
the archive memory and see if this corrects the problem. You will lose any
undownloaded data in your archive memory, but all your calibration numbers
and alarm settings will remain intact. If this doesn’t work, restart your
weather station by removing the AC power adapter and the backup battery
and then reconnecting them. All data which has not been downloaded will be
lost. You will also have to reset all console settings such as the barometer, cali-
bration numbers, and alarm settings.
? Monitor, Wizard and Perception Only: After successfully downloading, the data
does not appear in my database. Where is it?
The most likely possibility in this case is that the time and date on your
weather station are incorrect. This usually happens if there is a power outage
and you don’t reset the time and date afterwards. In this case the data was
written into the wrong time and month. Correctly set the time and date on
your weather station and all future data should download correctly.
It is also possible, if you have multiple stations, that you downloaded data
into the wrong station’s database. Make sure the desired station is open before
downloading.
WL Windows GSG content D009.fm Page 16 Friday, September 12, 2003 12:29 PM
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