Is seeing continuously blinking orange light on router is confuses you and wondering why it is appear or how to get fixed. then read this:

Orange light actually tells you to tweak the router setting as it may be inaccurate.
So, try to reboot the router.
Just turn off the router and remove all connected devices.
Wait for some time, then turn on them after carefully connecting them.
This will fixes the orange light on your router.

Check configuration router setting and change the routerlogin.net setup carefully. If the router setting is incorrect then also the ambre light may cause trouble.

If this will not help then update router firmware. or follow the guide to fix orange light on router.