The following steps provide instructions on general troubleshooting.
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Depending on the problem, do one of the following.
- Data is coming through, but the measurement values are invalid: Check the device status from the netCDF files or through the CLI with the status command.
- Data is not coming through:
Continue with the next step.
If the device is part of a larger system, for example Vaisala AviMet, check the troubleshooting information of that system first.
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Try establishing a maintenance connection remotely.
If you can connect to the device, check the device status through the CLI with the elog and status commands. For message details, see Status information.
- If you cannot connect to the device, check the operation of the communication devices at the receiving end.
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Go to the site and try the following.
- Check that the device is getting power. Inside the interface unit, check the LEDs of the power supply.
- Reset the device.
- Check that the AC (mains) power switch is not switched off.
- Check that the fuses are not in the off state.
- Check the cables and connectors of the interface unit and measurement unit for continuity, bad contacts, or corrosion.
- Check that the surge protection units are working.
- Check the operation of the communication devices at the transmitting end.
- Check the network and netCDF settings through the CLI. See Configuring netCDF reporting.
- Connect the maintenance terminal to the maintenance port in the ceilometer and turn on both the ceilometer and the maintenance terminal.
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Using terminal software, type the following commands and log the responses to a text
file:
- system: displays information of the device setup.
- status: displays the functional status of the device.
- get: displays all parameter values or parameter list values.
- elog: displays event log.
- If the failure persists, contact Vaisala Technical Support.