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Message: <blockquote data-quote="Tazza" data-source="post: 19511" data-attributes="member: 82">That sorta sounds like your brake solenoid is playing up, it could have a damaged hold coil that will let the brake engage you then need to re-start to clear the error  then it will pull the brake off but the hold coil may not have enough power to hold it off and it will let go and the brake will engage again.Does that make any sense?Simply put, you have 2 windings. One is the pull coil that uses high current to pull the brake plunger up. This coil can only run for short periods of time or else it will simply burn out. The other winding is the hold coil, this uses only a small amount of power and it is just used to hold the plunger in place so it can stay on more or less constantly (to an extent). If there isn't enough power in the hold coil the plunger is released and the brake engages.</blockquote>