I HAVE A HOBART 120 HANDLER WIRE WELDER. THE FAN RUNS AND I HEAR A CLICKING SOUND WHEN I PRESS THE FEED BUTTON ON THE GIUN, BUT THE MOTOR WON'T FEED THE WIRE.IS IT MOST LIKELY THE CONTACTOR IS DEFECTIVE OR THE MOTOR ITSELF ? IS THERE A TEST I CAN PERFORM ? THANKS, DOUG

First take our the spool of wire, then without any wire restriction, disconnect the gun from the machine and bridge the trigger connection, if the solenoid valve opens then the motor shoulod run. If it does, then check the trigger on your gun, take it off and bridge the cables, if it runs then your trigger switch is faulty.

the electronic circuit is broken

You need to look at the wiring diagram to see what parts could be causing the problem. I had a 120 that did the same thing and it was the bridge rectifier that was bad. I unhooked my motor and hooked it to my battery charger to see if it was good.Hope this helps. I will see if I can find a diagram to look at and check back later to see if you have fixed the problem.

Check wiring diagram to see if it has a bridge rectifier. My 120 had one and it was bad which would not let the feed motor run. It cost me about $6.00 to replace from Ebay.

Probably the bridge rectifier. I had a 120 and thats what happened to it...

If the machine has diodes check them. Also if it has a bridge rectifier check it. My 120 would not feed wire and the bridge rectifier was bad.

go to praxair ,air gas s j smith or any welding shop they can get it for you,

I have welded countless hours with Linde & Lincoln & even a few Hobarts & the only time that I ever had the same problem was when the ground connection either to the object I was welding, or the welding cable ground wasn't good & clean & tight. Same on stick welders also. I did develop the habit of grinding not only where I was preparing to weld, but where I was placing my ground clamp & that always provided a better "frying bacon" sound as I went along the business of pushing a bead. In a welder, the only other thing than that is involved is the step-up transformer and your wire. Hope this helps.

check bridge rectifier ,sounds like it went bad.

If it is new i would not play around with the welder Just take it back to where you bought it get them to replace it under warranty