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Mechpro 100amp mig welder

It won't arc without wire in it. If the motor runs then there may not be enough tension on the feeder wheel to push the wire thru. If you had a bad kink in the inner liner it will not feed. The trigger switch in the handle applies arc voltage to the copper nozzle. It may be bad or have a broken wire.

Dec 15, 2013 | Welding Tools

1 Answer

I have a bulldog diesle arc welder generator with unstable arc burns in to metal but wont keep stable flo but 110 and 240 work perfect please help

If you are welding dc you may need a rectifier assembly, at least diodes, if it is ac it may be your voltage selector switch

Aug 21, 2011 | Welding Tools

1 Answer

Thermal Dynamics Drag Gun Pac 10, Push Trigger, Labored Sound, Cuts Off and wont cut or flash arc. Cleaned Air Filter allways, All New Consummables, Allways kept clean, Has a rattle when trigger pressed...


Your plasma has a start arc pilot inside the machine, this one must be faulty, check your owner's manual and request the part to your nearest welding store. It is easy to replace.

Jun 21, 2011 | Welding Tools

1 Answer

Arc mouse wont turn on, it was working fine until it started to get unresponsive and the red light started flashing so i replaced the batteries but now it wont turn on. I even tried connecting the reciever...

In extensive use the USB-device overheats. Removing it when not in use helps, but it is allready permanently damaged and only real solution is to switch the mouse to new one.

Guarantee is 3 years. Wich is a good thing because these tend to fail in 6 months to 2 years.

May 27, 2010 | Microsoft ARC Mouse

2 Answers

My tig welder wont arc unless I touch the metal with it

my guess would be the type of welding machine you have.usually there is extra switch which says start control also continious cycle , sometimes smaller machines dont have these switches to allow a wider variety of tweeking the welder ,also its ok if you have to touch the base metal cause thats what starts the contact with the work peice ,keep a arc after touching about 1/4 inch away from work peice ,also a good steady hand rest will make a good welder in any situation this should allow the arc to remaim stable with a comntinious weld arc puddle. happy welding

May 22, 2010 | Miller SYNCROWAVE 250 DX TIG RUNNER WELDER...

1 Answer

Solar welder 2175 wire keeps feeding wont stop doesnot arc until trigger is pulled

Look on the front pannel. thier should be a "latching Switch" indicated by "4 X 2" little arrowes. The 4 is " pull the triger -- the release the arc continues, the "2" is pull the trigger and the arc startes release the trigger the arc stops simplesssssssss

Dec 14, 2009 | Welding Tools

1 Answer

How to install arc fault circuit interrupter

connect the neutral from the circuit to the afci breaker, and run the neutral that came on the afci breaker to the neutral bar in the panel. Make sure that the neutral that you connect from the circuit to the afci breaker is the one that belongs to the circuit that you're protecting or the afci wont work.

Sep 19, 2009 | Siemens Seimens Arc Fault Breaker

1 Answer

301 wont high idle when striking arc

There is a small electronic control board inside the welder that senses current flow and pulls up throttle. It could be the board has a problem, or the throttle solenoid itself. You'll have to do a bit of checking.Check for loose connections or blackened components on the control board.

If you need further help, I’m available over the phone at

Jul 03, 2009 | Welding Tools

1 Answer

Wont arc

If you have water in the system, bad tip or ground it wont spark properly

Sep 19, 2008 | Century Portable Plasma Cutter 25 Amp

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