when the Genny is idle and with no demand, what voltage are you measuring across two adjacent Brushes. It should be like a volt or so. you may be building up enough voltage to pull through the Brake. also check that your Suicide Circuit Contacts are good and the circuit actually works as intended. Are you Rolling Back when you leave the top floor. This is also something to look at. Are you coming in to the floor to hot, is the Damping circuit working. Have you seen it actually go into the Overhead, or does it do it intermittently?
