Contacting Technical Support - DAVIS vantage pro2 groweather User Manual

Anemometer Problems
"The wind cups are spinning but my console displays 0 mph."
The signal from the wind cups may not be making it back to the display. Check
your cables for visible nicks and cuts. Look for corrosion in the WIND connector
on the sensor interface and on splices in the cable. If using an extension cable,
remove it and test using only the anemometer cable. Contact Technical Support
and ask for a wind test cable if the problem has not been resolved.
Note: If the anemometer is not sending data, the wind display indicates 0 speed and "--" for
direction.
"The wind direction is stuck on north, or displays dashes."
It is likely that there is a short somewhere between the wind vane and the display.
Check the cables for visible nicks and cuts. Look for corrosion in the "WIND"
jack on the sensor interface and on splices in the cable (if any). If possible,
remove any extensions and try it with the anemometer cable only. If none of these
steps get the wind direction working, contact Technical Support and ask for a
wind test cable.
"The wind cups don't spin or don't spin as fast as they should."
The anemometer may be located where wind is blocked by something, or there
may be friction interfering with the cups' rotation. Remove the wind cups (loosen
the set screw) and clear out any insects or debris. Turn the shaft the cups rotate on.
If it feels gritty or stiff, contact Davis Technical Support.
Note: Do not lubricate the shaft or bearings in any way. When replacing the cups, make sure
they are not rubbing against any part of the anemometer head.

Contacting Technical Support

For questions about the ISS or Vantage Pro2 system, please contact Davis Technical
Support. We'll be glad to help.
Note: Please do not return items to the factory for repair before calling to get a Return
Materials Authorization number.
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