I have noticed that after i depress the trigger on my pp50, the post flow will start but I can feel the air coming out of the back of the euro connector I was just wondering if that was normal or if a connection is loose inside the connector. Also the arc seems to be spitting what looks like little ambers out of the nozzle not often it seems like only when I first start up. Maybe I ask too many questions im just new to the plasma game.