Question about Miller Welding Tools

1 Answer

Ground lead arcs when I connect, and auto idle kicks up

Whenever I connect the ground lead it arcs and the engine speeds up like I'm welding, but I can't weld. Its like both leads are hot.

Posted by on

  • kkbolejack Feb 07, 2009

    machine is mounted to a truck and welding is being done on the workbench on the back. ground lead is attached to the metal I'm welding. Problem just started after 600 hours of welding with this setup.

  • Anonymous Mar 21, 2014

    When you touch wire to metal it arcs everytime without pulling trigger, but no wire feeds


1 Answer

  • Level 1:

    An expert who has achieved level 1.


    An expert that hasĀ over 10 points.


    An expert whose answer gotĀ voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 11 Answers

what are you connecting the ground lead to?

Is the welding machine phisicaly in contact to what you are welding ?

Can you electrically insulate the welding machine from everything, say stand it on a sheet of timber?


Posted on Feb 07, 2009

  • Robert Lee Feb 08, 2009


    try welding off the truck, so run some welding cables so that everything is isolated from the truck.

    does the welder opperate normally now?

    if it does then someware there is a short between the "hot" terminal of your welder and the chassis of the truck,

    so when you connect the ground cable to the bench( which is the chassis of the truck) the welder "thinks" its welding.

    does the welder have an aux supply for power tools?

    if there is anything pluged into this is it faulty take it out

    do you have a test meter (Volts, Amps, Ohms)?

    this would help in tracing the fault.

    are the welding cables in good condition, no bare copper showing along their length?

    try al this then come back to me




1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

I have a Clarke wire feed welder than the wire is running but I'm having no Arc

first place to check is a properly grounded and connected ground wire to complete the weld circuit
next is to check the relay that energizes the weld circuit when the trigger is pulled
check for fuse blown
take it in for a proper diagnosis and fix

Jan 29, 2017 | ARC Welding Tools


How to set ark welders with more than fifty foot of welding cable

This tip is referring to welding machines using fifty foot add on sections of welding leads.
Number one: Set the machine with just the stinger whip(six to eight foot long) and a fifty foot ground lead.The ground lead can be shorter.
Number two: Get a piece of scrap plate the same thickness as you will be welding.
Number three: Set the plate in the position you will be welding in and clamp the on ground to to plate.
Number four: Turn on machine and set amperage dial to the size of rod.(if your using 1/8 rod set for 125 which is the decimal equivalent of 1/8) using decimal equivalents will get you in the ball park but depending on the coating , thick or thin you will have to adjust from there.
This will work for rods like stainless that have high resistance to current.
Number five: Once you have the setting that you like add five amps for every fifty foot of lead your using.This works for copper leads that are half inch thick and that all connections are tight. One more thing,if the rod is eating a crater ahead of the arc your running to hot.

on Jun 10, 2011 | Welding Tools

1 Answer

How to do conecct arc welding machine bx1-250

The black lead is connected to the metal you are attempting to weld, it has the silver ground clamp connected to it

The remaining red lead with the electrode holder connected to it holds the electrode
These welders are also capable of using 125 & 230 vac, 1-phase current from your mains there is usually a switchable indicator on the machine allowing you to select the input voltage

Nov 01, 2014 | Welding Tools

1 Answer

Kende weld no arc

make sure your work-piece has a proper ground. and maybe check your gas connection. no leaks. maybe turn gas down.

Mar 27, 2013 | Welding Tools

2 Answers

My Hobart 140 will not get hot enough to make a weld. It will feed out the wire, make a spark, and the flux core wire will melt on top of the thin rouaght iron square tube fence but it will not melt into...

Sounds like you have the wrong polarity in your machine. If you are using flux core wire, make sure to connect your ground clamp to the positive side and your gun to the negative side. Dial the right voltage and wire speed according to wire size and metal thickness.Let me know if this help.

Nov 18, 2011 | Hobart Handler 140 Mig Welder

1 Answer

The arc sputters when welding. Tried changing the electrode tip and checked the ground.

I've had slot of experience with these migs. Usually when the arc sputters, it could mean 2 things, either the roller feed tension is too light, or the liner in the pistol lead is worn. It's the flex tube the wire travels through. If it's worn the wire will hang up or snag, causing the arc to sputter. If you tighten the roller tension, and the wire back-lashes, that's a sign to change the lead. First try adjusting the speed of the wire accordingly to the heat.

Jul 30, 2011 | Miller MATIC 140 MIG WELDING PKG w/cart...

1 Answer

Weld arc not stable. Wire feeds, good ground,

Arc blow could be the cause! Put your ground on the work piece and weld away from it. If you weld toward a ground clamp the magnetic forces will blow your arc around sometime. When taking a cert this simple mistake can make or break ya on your cap or reinforcement beads.

May 09, 2010 | Hobart Handler 140 Mig Welder

1 Answer

I have a airco super hornet welding generator/power plantthat will not strike arc it is engine driven

Adequate ground?
Power output at receptacles?. Connections are yusually the problem Engine speed 1800 rpms (high idle) good luck

Jul 26, 2009 | Welding Tools

1 Answer

The ground clamp has voltage

WARNING ! You have an earth leak on the unit, before you do any more work with this set, have it checked by a qualified electrician, it can be HIGHLY dangerous to continue. the leakage can be on the mains side and can cause you serious injuries. dont atempt to repair or examine yourself.

Dec 26, 2008 | Miller Welding Tools

Not finding what you are looking for?
Welding Tools Logo

Related Topics:

578 people viewed this question

Ask a Question

Usually answered in minutes!

Top Miller Welding Tools Experts

John Trevino

Level 3 Expert

1383 Answers


Level 3 Expert

2069 Answers

Jose Velazquez
Jose Velazquez

Level 2 Expert

227 Answers

Are you a Miller Welding Tool Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides