Frequently Asked Questions (FAQ)

Frequently Asked Questions (FAQ)


Table of content


1. What to do when the G-1090 Status LED is blinking in RED?


When the Status LED is blinking in RED, it provides information on errors:

  • 2 RED Flash/second: The G-1090 air traffic receiver could not establish a connection to the internet. Action requested: Check internet connectivity and restart the receiver. If the problem persists, contact INVOLI.
  • 3 RED Flash/second: The G-1090 air traffic receiver could not perform a GPS fix. Action requested: Restart the device. Check if the top of the device has poor visibility toward the sky. In that case, the receivers should be mounted in another location. Note: The first GPS fix in a new location could take longer. If after 5 restarts the problem persists, contact INVOLI.
  • 4 RED Flash/second: Peripheral problem. Action requested: Restart the device. If the problem persists, contact INVOLI.

Restart the receiver by unplugging the Ethernet cable, wait for 10 seconds, and plug the cable back into the Ethernet socket.


2. What to do when the G-1090 Status LED is blinking in BLUE

If the Status LED is blinking in BLUE for more than 2 minutes, it means that the G-1090 air traffic receiver is experiencing issues in finding its GPS location.

  • The first GPS fix in a new location can take longer than expected. If after 5 minutes the G-1090 keeps blinking in BLUE, try to restart the receiver by unplugging the Ethernet cable and plugging again after 10 seconds.
  • If this does not solve the problem, there is a possibility that the G-1090 air traffic receiver is not getting a good GNSS constellation. This typically happens when there is a building or any other structure that obstructs the GNSS signal. In that case, consider installing the G-1090 in another location.

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