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| Below is help and answers to questions regarding WeatherLink Datalogger for Davis Vantage Pro2. If you have any other questions please email us by clicking on the link provided. |  |
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 | The following three steps will help you restore communication: 1. Place the small loopback connector into the WeatherLink PC adapter. The loopback connector is about 2½“ long and has a modular telephone plug on one end and a red rubber boot on the other. Plug the PC adapter into the 9-pin or 25-pin serial port on the PC. The serial port is a male connector on back of the PC. In the WeatherLink software, select “Setup,” then select “serial port.” In the serial port window make sure the baud rate selection matches what the datalogger baud rate is set to. Also, if you have GroWeatherlink software v1.1 make sure the correct link revision is selected (check the MFG. Code on the datalogger for revision). Select “loopback” and the software will run the loopback test. If it finds the loopback connector, the software will tell you what Com Port it is on. If it does find the loopback connector, unplug the loopback connector from the PC adapter, plug the datalogger cable in and proceed to the next step. If the test does not find the loopback, your serial port is either malfunctioning or in conflict with something. At this point you should see a PC specialist or someone to help diagnose your PC problems. 2. Remove and bypass any extra cable you are using between the datalogger and PC serial port. Now, select “test” or “connection test.” If the software tells you that the “connection is OK,” your problem is with the cable you just bypassed. If your connection is not OK, proceed to the next step. 3. Check that the weather station is passing its own self-diagnostics. These diagnostics are run on initial power up. Remove the backup battery if one is installed and unplug the AC adapter from the weather station display console. Wait for about 30 seconds, and then plug the AC power back in. You should hear three beeps. If you do not get these 3 beeps, the weather station or datalogger is faulty. Stop and email our Technical Support. If you do get three beeps, select “test” or “connection test.” If the software tells you that the “connection is OK,” your problem was resolved by repowering the station.  |
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| When attempting remote communications (via modem), there are two important things that you must do. You must use the Davis modem adapter. Its product number is DAV-6533 (for Vantage Pro systems) or DAV-7870 (for classic stations) and is not included with any WeatherLink. You must initialize the remote modem by powering up the weather station. If you are having problems you should proceed with the following steps: 1. Disconnect power from both the weather station and the modem. Do not forget to disconnect both the battery and AC power. 2. Re-power only the weather station and listen for three beeps. You must use the AC adapter on classic stations or the cabled Vantage Pro system. 3. Connect the weather station/WeatherLink to a PCs serial port using either the 9 or 25 pin serial port adapter. Verify that the Davis hardware is working by establishing a direct local connection. 4. Remove power from weather station again. 5. Attach the weather station/WeatherLink to the modem via the modem adapter. 6. Power up the modem first and the weather station last. The third beep issued from the weather station will initialize the modem with four commands (ATS0=4 E0 Q1 &W0). 7. In the serial port setup screen, change the Com Port setting to that of the PC modem, put an X in the modem box, and enter in the phone number of the modem at the weather station. 8. Also in the serial port setup screen, in the box labeled “After Connect Wait,” change the default 2 seconds to 8 to 10 seconds. 9. In your PC modem string, try adding an “ &F “ after the AT and/or try removing the “ &M “. 10. You also can try using the following modem strings: AT &F E Q V X4 S7=60 &N3 AT &F E Q V X4 S7=60 N0 S37=6 11. You should now be able to communicate with the weather station via the modem. |
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| This is caused by electrical noise introduced into the USB port on the PC. Solutions are: 1. Eliminate the source of the noise (paper shredder, fan, etc.). 2. Do not use an AC adapter on your Vantage Pro console. Most noise is picked up on the AC adapter cable. Eliminating the adapter can prevent the entry point for the noise. The console's three C batteries can last up to one year and you will receive a message on the console when they start to get low. 3. Attach a ferrite cylinder on the AC adapter cable to help filter out the noise. These can be purchased at many electronic supply stores. |
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