Hap Ac Lite problems with wifi

Hello please i have problems with my device hap ac lite mostly i have problems to find ssid of this router from any phone and in winbox i have wifi on 2.4Ghz only on slave without running tag and about 5Ghz this ssid not working at all i tried to use default settings but its same after some time but about 5Ghz wifi thats not works at all.i tried to add supout.rif file to check if i have some issues in configuration but this format is not allowed to add as attachment.
Thanks in advance for any answer