If the product does not work as it should, check all cables and connectors.
Check the maintenance needs.
If the failure persists, contact Vaisala technical support.
|Measurement failure or irrelevant data values.||The settings are incorrect.||Contact Vaisala technical support.|
|There is a hardware failure.|
|No response to any commands.||Wiring is wrong.||Check the wiring.|
|Operational power is not connected.||Check the operating voltage.|
|Baud rate or other serial property of the device is different from the host.||Connect the serial cable and check the serial port settings of the device with a terminal program.|
|No response to Modbus query.||RS-485 wiring is wrong.||
Do the following: