I tried your location and cannot reproduce the issue. I am getting one call per 15 minutes, which is the correct call rate. Can you go to the homepage, click on ‘Current Status’, and check the Sunrise Time and Sunset Time to see if they are correct? If they aren’t, it’s likely that something, either your ISP or your router is blocking the query result, causing the controller to not be able to receive the result, and hence keep sending more queries.