Perfect Draft Exclamation Mark KB ID 0001807 Problem On the bottom of the display you will see a minus sign and an exclamation mark, like so. Perfect Draft Exclamation Mark Solution Theres two reasons that you will see this, firstly your keg has been in the machine more than 30 days, or you have powered off your Perfect Draft Machine, and changed kegs. Remember always leave your machine ON when changing kegs!. To fix this, you can either use the Plus & Minus keys to change the figure back to 30, of if you’ve changed kegs, leave the machine powered on, and remove  / replace the keg. Related...