Loss of Communications

If you lose communication with the Weather-Pro weather station the following items should be check:

Check the RS232 connection at the back of your computer to ensure it has not worked lose.
Remove and re-insert the RJ11 plug into the RJ11 to RS232 Adapter
Check the cable running from the computer to the weather station looking for any sign of damage
If the station is connected to a modem , or radio link check all relivent connections.

Run the Weather Pro Software
Select Options... from the Tools menu
Select the General Tab of the Options… dialog box.
In the Communication Method box ensure that Direct Connect is selected if the station is directly connected to the weather station.
Check that the Comm Port is set to the correct number
If you change any settings, click OK to save the new settings and close the Options… dialog box

Support the veins of the aspiration shield (radiation shield)
Remove the three screws from the upper rim of the aspiration shield (radiation shield)
Lower the aspiration shield (radiation shield) from the Data Logger Enclosure (by about 50mm) ensuring that the cable loom is not stressed
This will give access to the battery holder
Use a multimeter to check the Voltage across the battery
If the voltage is less than 2.7volts, this would explain the loss of communication and the battery should be replaced.
see battery replacement
If the voltage is above 3.3volts the battery is OK. It does not need replacement. This is not the cause of your loss of communications.
Visually check the Data Logger Enclosure sealing O-Ring located on the top of the aspiration shield (radiation shield)
If there is any sign of damage this O-Ring should be replaced
Raise the aspiration shield (radiation shield) back up into the Data Logger Enclosure ensuring that the cable loom is not stressed
Positive pressure will be required to seat the Data Logger Enclosure sealing O-Ring
Replace the three screws in the upper rim of the aspiration shield (radiation shield)