Hey, Ipad2air.
I see that you're having a problem when you connect your iPad Air 2 with your home Wi-Fi network. I'm happy to help.
Recommended settings for Wi-Fi routers and access points -- This article provides the information and steps that you need to make sure that your router settings are set to provide the best performance.
Resolve Wi-Fi and Bluetooth issues caused by wireless interference -- Sometimes slower speeds can be caused by Wi-Fi interference. Review the information and apply the steps provided in this article.
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network -- Even though your iPad is connecting, these steps can help.
Let me know how that goes, and take care!