FAQ'sBeer Dispense FAQ'sBeer Equipment FAQ's Why does cellarbuoy keep dropping? By Anonymous 5 6,137 views Share Facebook Twitter Pinterest WhatsApp Check the condition of your keg seals. If at all damaged change them, that is if you have been instructed on how to. May be a faulty keg try a different one. Could also be the wrong gas pressure, put a call to tech services to get it checked out.