Question about Lincoln Electric LINK2400-+1 CV-305 MIG Welder with Options Input Power: 20

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The wire at the tip of the mig gun strikes an arc before you pull the trigger on the gun,the welder still functions it will just blind the operator with the arcs

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Sounds like the trigger is getting worn out.

Posted on Apr 24, 2009

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Make sure the welder is set up correctly and if your particular model is equipped with a reset button try to reset the welder...If that doesn't work make sure there are no frayed wires in the welding machine touching or grounding out

Posted on Aug 08, 2012

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1 Answer

Phase three on cv or cc have current going to mig wire, wire is live without hitten gun trigger. mega arc is hooked up to a Hobart suitcase


May need to take gun apart and see if trigger is sticking or replace lead.

we use Miller at work. The feeder has a switch that makes the trigger turn off and on with quick pull of trigger so you don't have to hold it entire time.

check wiring to make sure it's wired right so your not bypassing the trigger switch.

hope it helps.

Nov 02, 2015 | Hobart Welding Tools

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I have a kende mig 105 gasless welder,but the wire isn't getting fed through on the feed wheel,tried different welding wire and also turned the wheel,tried tightening the wheel,slackening it as well,i


Here's a few things you can check:
When gun trigger is pulled, do the drive wheels turn? If they aren't, pull the trigger again; do you hear anything within the machine (contactors closing, gas solinouds opening, any clicking, etc.) that would indicate the trigger circuit is functional?
If the drive wheels are turning, but wire isn't being pushed thru the mig gun, check for proper drive roll vs. wire size. If that is correct, check gun liner for obstructions. Flux cored wire tends to stop up a wire liner fairly quickly.

Dec 21, 2014 | Welding Tools

1 Answer

Mig welder started to arc out on its own. You dont touch the trigger and when you put the wire to the grounded table it blinds the **** out of you. Could use some tips on repair. Thanx. Shane.


Try replacing the feed tip as this is an insulator that keeps the wire from touching the tip as it feeds out. These tips need replacing often as they also provide a friction free surface for the feed wire.

Apr 10, 2011 | Welding Tools

2 Answers

Have a century 125 gl mig welder 110v and it arc's with out pulling the trigger


Need to ckeck the gun switch trigger the terminals? See if there are grounding out.

Jan 17, 2011 | Miller MATIC 140 MIG WELDING PKG w/cart...

1 Answer

I have a lincoln sp-175plus, when trying to weld it the arc just melts the wire and it balls up at the end. I also put a new contact tip in. As well sometimes the wire feed just stops. I then press...


Your drive tension is too light. There are rollers that the wire feeds through and they need to be tightened. They should push the wire through the gun but slip if you put the tip against a solid object and pull the trigger. If they do not slip, they will jam your gun. Give the tensioner another turn.

Jan 08, 2011 | Lincoln Electric LE 83180 Century...

1 Answer

Miller 350p welder gives a "help 3" code.



Code help-3 Indicates that the gun trigger was pulled and held during power up. Release gun trigger and clear fault condition. Also, this display can Indicate no open circuit voltage detected when gun trigger is pulled and no arc detected within 3 seconds, this means that the trigger was held without any metal contact. The machine will shut down in order to avoit the wire to continue to run freely.

To fix:

Turn on the machine without pressing the trigger on the gun. Then increase to the max the wire speed. Then turn off the machine. Press the trigger after the machine was turn off, then without releasing the trigger, turn on the machine and release the trigger after 2 seconds. That will take care of it.

Nov 17, 2010 | Miller Welding Tools

1 Answer

My little 110 mig welder is arcing without trigger pulled


i believe that the trigger only send out the wire and does not control the arc the tip should be live as long as the welder is on

Feb 28, 2010 | Lincoln Welding Tools

1 Answer

No arc, fan works,wire feeds.......ect.


wityh what little imfo you gave I would first go to the main contactor ,turn unit on pull gun trigger see if the contactor pulls in.that is where primary power comes from to create arc.

Dec 14, 2009 | ARC Welding Tools

1 Answer

No arc for craftsman professional wire feed welder


either your not grounded on the vehicle very good or you lost the ground either in your gun or on your clamp

Apr 04, 2009 | Welding Tools

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