Vaisala Hydromet Data Collection Platform User Manual
Page 117
Chapter 4 ___________________________________________________________ Troubleshooting
VAISALA______________________________________________________________________ 115
-
Connect the new hardware.
-
Reload the new setup and verify that the system starts and
runs.
5.
Sensor(s) are not working properly.
a.
Are there one or multiple malfunctioning sensors? Multiple
simultaneous sensor malfunctions in the same QML logger
often indicate a damaged logger.
b.
Check the output of the warnings and errors commands for
indication of the probable cause.
-
Connect the terminal cable and start the AWS Client
software. Type commands warnings and errors. For
details, see section
Warnings and Errors on page 131
-
Pay also attention to the message related to the excitation
voltages. If the damaged sensor is powered by the logger,
it may cause an overload.
c.
If the malfunctioning sensor is measured by the logger:
-
Open the sensor calibration view in the AWS Client
software; see section
Determining Sensor Status on page
.
-
Check the sensor status and compare the value against the
sensor status list in
.
d.
If the malfunctioning sensor is a so-called intelligent sensor,
for example, Vaisala Ceilometer or Vaisala Present Weather
Detector, use its own diagnostic features.
-
Connect the terminal cable and start the AWS Client
software.
-
Service interface for the intelligent sensors can be
accessed through the QML logger as explained in section
.