Changes to the problem

The gateway or hub is offline. Please check the power and network connections. (309)

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  • September 13, 2017 18:02
    John
    Change in reply by John to So one thing to understand is that the blue light on the gateway represents the wireless status.  You want to have a solid blue light.  However if you are getting this error (Error 309) it is most likely because you are not getting a connection to the Chamberlain cloud and that would be indicated by a blinking green light.  I corrected my issue by putting a wide open rule on my Internet Firewall for the IP address of my gateway device.  Once I did that it made a connection and the problem was resolved.  For the specifics the IP address of your gateway will try to make a TCP connection on port 8883.  If this connection cannot be made, then you will get a green blinking light and the Chamerlain cloud will not see your device in the cloud.  Hope this helps..

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