I don't buy "board problem" either. Only a direct short would cause the wire to melt anywhere before the tip. Sounds like a "phone support" person trying to make a buck. Steve S Took everything apart and checked it. The only thing I can see which may have caused it is a poor gro...

I don't buy "board problem" either. Only a direct short would cause the wire to melt anywhere before the tip. Sounds like a "phone support" person trying to make a buck. Steve S Took everything apart and checked it. The only thing I can see which may have caused it is a poor gro...

Are the drive rollers turning? If they aren't, then.... Wait, does the gun have to wires coming of the lead that have spade hook-ups on them? Try switching them. I had the exact same problem with my Hobart 135, the wire would get red hot and started to eat into the plastic guide thingy. I would pul...

Maybe wrong here - but reading the OP it sounds like for reasons unknown the machine is working correctly - but power is not going up the torch & making electrical contact at the tip as it should - hence when an arc is struck the wire is earthed to the material & heats up back to where it i...

Sounds like you have a short. Inspect your entire whip (as well as the path of the ground lead around the feed rollers) for bare wire. Welcome to the forum. Steve S I called the local Nexair and their tech said it sounded like a board problem, and they would have to take it apart and analyze it.......

My Millermatic 135 just started melting the wire just in front of the feed roller the second I strike an arc. Wire is hot and balls up at the entrance to the sleeve.