User Guide M211095en-h



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Problem
Probable Cause
Remedy
Connection to WMT700 is lost.
Power supply is not sufficient.
Check that the power supply matches the requirements listed in Powering (page 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 Placing WMT700 (page 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 sometime 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 Aligning WMT700 (page 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 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 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 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 Chapter 7 – Troubleshooting
167




Document code
Testsetup according to
More information
Optiontemperature range
Optionheating
Optionhardware interface
Optionunit used
Optionoutput configuration
Selectionoutput configuration
Optionadapter type
Optionaccessories
Order codedescription
Aout1 selected option
Output signal
Swnddiroffset,(angle)
Parameterdefinition
Power supplywire colors
Used heating option
Heating option
Wire type/cable length
Descriptionspare part item
Wmt700connector pin
Open commandto activate the command, press enter
Commanddescription
Wind_getfetches wind calibration information.more information
S command. power must be on for at least 5 seconds after the s
Startcommand.more information
Itemdescription
Bitdescription
G command to fetch the current wmt700 parameters. disable error messages with the command s messages,0
Errors. if all values are valid, wmt700 sends the following response:0,0,0,0you can also use the g
Data message number
Ws425 and sdi messages
Parametername
Parameterdefault
Start command.to stop measurement, use the stop
Wb,wfirmware
Wf output:wff6785672109876.5432.1k99xx5.21.2 ws425 f/g asos data messagewmt700 responds to the wa
Bytedescription
Parameterdefault value
Id character
Wx command with a character fixed-length data message.character
Start command. to stop measurement, use thestop
Problemprobable cause
Error/eventcode
Parameter name
Propertydescription/value
Analog outputs for wind direction
Itemorder code
Configuration mode / measurement
Settingparameter
Start command. you can stop the measurement with the stop
Example of the command and response:
Baud........................................................................ 105clearerr
S............................................................................... 103sleep
Gget message. get parameter.........................................................104h
Jjunction box...............................................................28l



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