If you get Communication Failure Issue. Please cross check Following steps
Make Sure you have entered correct site url, double check your wordpress admin settings and WPHub Suite site setting WordPress Admin Site Settings
WPHub Suite Site Settings
Make sure your site is accessible and live, click the url link at dashboard and check
If you have tried multiple times, our ip might got blocked, in such case contact your server provider to whitelist our ip 67.225.137.*
If you have checked all above three steps, but if your plugin still fails , then contact our support, we will look into your issue.