Cannot get into Access Point TP-LINK web interface

I would like to put OpenWRT to TP-Link AP. I try to connect to TL-WA701ND through WIFI and Ethernet but I get 169.254... kind of IP address. I have made hardware reset but still the same. If I connect to other router with internet it is passing internet by WIFI to PC and it is possible to load some WWW.

How to get proper IP and the Web Interface for AP?

assuming it works, IP should be

If you installed a snapshot there's no web interface, just SSH. webUI needs to be installed manually.

Well. There is still old firmware from TP-LINK at chip right now, but somehow I cannot access Access Point.

if you're still using the factory firmware, then you should ask at TP-Link.