10. Troubleshooting
Table 34 Data Validation
Problem Possible causes Action(s)
Wind measurement failure. Both
the speed and direction units are
replaced by a # sign or the data
values are irrelevant.
Blockage (trash, leaves, branches,
bird, snow, ice) between the wind
transducers. Incorrect <cr><lf>
settings in the terminal program.
Remove the blockage, and check
that the wind transducers are not
damaged.
If the blockage is ice or snow, it will
melt after some time if heating is
enabled. Time for clearance
depends on the severity of the
weather event.
If birds are causing the blockage,
consider using the bird kit.
In ASCII and NMEA protocols both
<cr> and <lf> are required after
each command. Check that your
terminal program sends both when
pressing enter. Note: The direction
unit is # for the wind speeds less
than 0.05 m/s.
Pressure, humidity or temperature
measuremen
t failure. The unit is
replaced by a # sign or the data
values are irrelevant.
The PTU module may not be
properly connected. There may be
water in the PTU module.
Ensure the proper connection of
the PTU module. Remove and dry
the module.
Chapter 10 – Troubleshooting
151
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