My AP doesn't get green light

I have a Xi-2 AP connected to the Inetrnet, and it starts, the light goes green for a minute and then goes red again and stays red indefinitely. Even if I reboot it, same thing happens. I already factory reset it, but same thing happens.
I really need a hand here.
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Hi @jcdopenskillspt ,
Please look for my DM.
Regards,
Shriram