Vaisala WINDCAP WMT700 Series User Manual

7. Troubleshooting
7.1 Problem Situations
Problem Probable Cause Remedy
Connection to WMT700 is
lost.
Power supply is not sucient. Check that the power supply
matches the requirements listed in
4.10 Powering (page 76).
Wind measurement failure.
WMT700 is sending irregular
data values.
The installation site is causing
measurement problems.
Check that the installation site
matches the requirements listed in
4.2 Placing WMT700 (page 51).
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
oset error.
Realign WMT700 according to 4.7
Aligning WMT700 (page 63).
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 D.
Configuration Parameter
Descriptions (page 187).
There is no response when
you try to switch to
configuration mode with the
OPEN command.
The WMT700 settings are unknown or
they have been accidentally changed.
Reset the serial communication
settings to default values. See 7.3
Restoring Serial Port Settings
(page 170).
WMT700 does not respond to
any commands.
The communication profile is not
correct.
Configure the communication
profile to match the host
communication profile.
The wiring might be incorrect. Check the wiring, see 4.9 Wiring
(page 72).
Connection works but data
messages are not available.
The command has been mistyped. Use the ERRORS command to fetch
the error messages from
WMT700.See 5.6.1 ERRORS — Get
Error Codes and Counts
(page 106).
Chapter 7 – Troubleshooting
167

Vaisala WINDCAP WMT700 Series Specifications

General

Brand	Vaisala
Model	WINDCAP WMT700 Series
Category	Accessories
Language	English