Chapter 9 ___________________________________________________________ Troubleshooting
VAISALA ______________________________________________________________________ 109
CHAPTER 9
TROUBLESHOOTING
This chapter describes common problems, their probable causes and
remedies, and provides contact information for technical support.
Problem Situations
Table 25 Some Problem Situations and Their Remedies
Problem Probable Cause Remedy
Connection to WMT700 is lost. Power supply is not
sufficient.
Check that the power supply
matches the requirements listed
in section Powering on page 58.
The installation site is
causing measurement
problems.
Check that the installation site
matches the requirements listed
in section Selecting Location on
page 3
5.
Wind measurement failure. WMT700 is
sending irregular data values.
Snow, ice, a bird, or
some other object is
blocking the
measurement path
between the ultrasonic
transducers.
Remove the blockage, and check
that the wind transducers are not
damaged.
If the blockage is ice or snow, it
melts after some time if you are
using a heated version of
WMT700. Duration of the
blockage depends on the severity
of the weather event.
If birds are causing the blockage,
consider installing a bird cage.
Reported wind direction is not correct. WMT700 is misaligned,
which causes an offset
error.
Realign WMT700 according to
section Alignment on page 48.
Wind direction indication acts erratically. Orientation of the sensor
does not match the
wndOrientation
parameter value.
Set the wndOrientation
parameter value according to the
actual orientation of the sensor.
See section Configuration
Parameters
on page 81.
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