Geokon GeoNet 8800 Series Product Tutorial
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Geokon GeoNet 8800 Series Product Tutorial

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Summary of Contents for Geokon GeoNet 8800 Series

  • Page 1 Product Tutorial...
  • Page 2 Troubleshooting GeoNet Wireless Data Hosting Systems...

  • Page 3: Before Continuing

    Before Continuing Many hardware and software issues can be prevented or resolved with a better understanding of the product Please read the Installing GeoNet Wireless Data Hosting Systems Using Agent Software with GeoNet Wireless Data Hosting Systems tutorials and review the product manuals prior to attempting to troubleshoot a Network...

  • Page 4: Network Tips

    Network Tips...

  • Page 5: Device Mounting

    Device Mounting Always mount GeoNet  devices vertically, with the antenna pointing up The space around the  antenna should be free of obstructions A minimum mounting height  of two meters (six-feet) is recommended...
  • Page 6 Device Mounting (Continued) Obstructions between,  around, or near GeoNet devices can cause reflections of the radio signal Reflected radio signals can  cause GeoNet devices to malfunction For optimum performance,  create as much space as possible between the straight- line radio path and any obstructions (especially metallic objects)
  • Page 7 Device Mounting (Continued) Common mounting  mistakes include: Not enough clear space ► around the antenna Mounting devices ► horizontally Metallic objects nearby ► The photos to the right  show examples of improper device mounting...

  • Page 8: Setting Channels

    Setting Channels All GeoNet devices are set to operate on the same channel at  the factory Channels only need to be set if multiple networks will be operating within radio range of one another must not Networks within radio range of one another be set to ...
  • Page 9 Setting Channels (Continued) To set the channels on a  device: Activate Deployment mode Move the channel switches to one of the 12 valid settings Press the reset button GeoNet Devices can only communicate when set to the same channel, therefore, ALL DEVICES in a network must be set to the same...
  • Page 10 Deployment Mode Must be used when making changes to a network  (adding Nodes, changing batteries, resetting a device, etc.) Indicated by the LEDs on the Supervisor flashing every 10-15  seconds Automatically activated when Supervisor is powered  Active for 60 minutes by default ...
  • Page 11 Supervisors Control the Network Avoid powering down or  removing the Supervisor from a working Network If the Supervisor must be  powered down or removed, activate deployment mode prior to doing so When downloading data via  a direct PC connection, bring the PC to the Supervisor rather than removing the Supervisor from the Network...

  • Page 12: Battery Replacement

    Battery Replacement The Network must be put into deployment mode prior to  replacing the batteries in the Supervisor (Also best practice when replacing batteries in Nodes) Replace D cell batteries when voltage drops below 2.0 VDC  Replace 12-volt external batteries when voltage is below 11 ...

  • Page 13: Software Tips

    Software Tips Changes to “deploy period”  will take effect the next time Deployment mode is activated on the Supervisor Turn off automatic download  before changing the “scan rate”...

  • Page 14: Troubleshooting

    Troubleshooting...
  • Page 15 Node will not Join the Network: Flashing Red LED Node Make sure the Network is  in deployment mode (one or both of the LEDs on the Supervisor flashing every 10-15 seconds) all four Verify that channel  dipswitches inside the Node are set to the same position as the switches inside the Supervisor Supervisor...
  • Page 16 Resetting a Node If a Node still will not join the Network after the previous  suggestions have been tried, it may be out of synch with the Supervisor The Node will join the Network if given enough time,  however, the connection can be expedited by resetting the Node To reset a Node, press the reset button inside the enclosure,...
  • Page 17 No Signal at Installation Site Complete the following:  Make sure the Network is in deployment mode Power down the Node Position the Node so that it is in close proximity to the Supervisor (or a Node that has successfully joined the Network) Power up the Node and wait for it to join the Network Move the Node to its intended location If the Network connection is lost when the Node is in its...
  • Page 18 ► clear space around the antenna Removing obstructions from ► the radio path Activating more Nodes to ► provide alternate data paths Moving the Node to a better ► location High gain directional antenna ► may be required (Contact Geokon)
  • Page 19 (Refer to GeoNet manual for firmware update instructions) Five green flashes then one long red flash (repeating):  Update the Network firmware (Refer to GeoNet manual for firmware update instructions) Alternating green & red LEDs:  Device malfunction, please contact GEOKON...
  • Page 20 Agent Can’t Connect to Supervisor: Cellular Gateway Ensure that the external power source is connected and  functioning properly Verify the Supervisor is connected to the cellular network by  pressing the status button and observing a green, or green and red flash on the LED indicators Make sure the token has been copied into the Network address ...
  • Page 21 Agent Can’t Connect to Supervisor: Direct Cable Connection Check the cable connection between the computer and the  Supervisor Verify that the COM port entered as the “Network Address” in  the Network Settings is correct Make sure the D cell batteries in the Supervisor are installed ...
  • Page 22 No Data from a Node Make sure the Node is powered on, and that it has successfully  joined the Network Click “set network time” in the Network settings screen  Make sure the D cell batteries are installed correctly and are not ...
  • Page 23 No Data from a Node (Continued) Take a test reading by pressing the status button on the  Supervisor (Reading will be available for download within the next 6 minutes, depending on radio cycles and Supervisor type) If necessary, data can be retrieved directly from a Node: ...
  • Page 24 Vibrating Wire Sensor Reading is Missing, Incorrect, or Unstable Verify that the gauge leads are wired correctly inside the Node  (Refer to the GeoNet manual for wiring information) Multi-channel and addressable Nodes stop trying to read empty  channels after two attempts; additional attempts occur at the top of every hour (Reset the Node to initiate an immediate retry) Move any sources of electrical noise away from the transducer ...
  • Page 25 Thermistor Reads –273.15 °C Indicates an open circuit to thermistor leads  Verify the thermistor leads are wired correctly inside the Node  (Refer to the GeoNet manual for wiring information) Measure the resistance between the thermistor leads with an ...
  • Page 26  The GEOKON® logo and word mark are registered trademarks with the United States Patent and Trademark Office. GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. ©GEOKON. All Rights Reserved. | Rev-D-1/25/2021...

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