What router do you have? AX1800 is a speed, not a model.
What firmware is on it?
What modem/gateway is it connected to?
Is it working?
Have you checked in the manual? They go over what each led light signifies.
There's a support site with access to manuals, firmware, install guides, etc. Go to https://www.netgear.com/support/ Type in your model number and from there it'll take you to the above. Its a great resource to start with.
