Ring intercom won't connect to WiFi

My intercom was disconnected from network. When I tried to reconnect, it went alway offline after 1-2 minutes, then reconnect again, then offline again and again, can somebody help me please?

Hi @user71201 . welcome to the Ring Community!
Please contact our Ring Intercom customer support by emailing or calling our team, and we will be more than happy to take a look at this with you. You can find our support number here: https://support.ring.com/hc/en-us/articles/10070641988500-Ring-Intercom-Support . We look forward to hearing from you.