Question about Diesel Miller 907218 Trailblazer 302 Welder Generator

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Where can I buy miller 907218 circuit board?

Miller welding circuit board

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Miller trailblazer 302 wants to melt a brand new stator within seconds of welding. Any ideas on why? Thanks.


it would appear that there is current or voltage control probably from a dead short in the circuit or a problem voltage control regulator
probably best if you discuss it with the service agents as to what is wrong and get a proper diagnosis

Mar 16, 2017 | Miller Welding Tools

1 Answer

Hobart 10000 welder circuit board where to fine one


Any welding supply store should be able to get you one. It comes from Miller.

Jan 13, 2017 | Hobart Welding Tools

2 Answers

My TB 302 cranks and runs at high idle does not idle down. I have power at all recepticals but no power at welding leads. I have checked all breakers and fuses, they are ok. what do I need to do next


there are a few things you can check on your machine,
make sure your machine is not in the remote control position, make your process switch is in the electrode hot position, the trailblazer has three slip rings, make sure the carbon brushes are not "stuck" in the holders, there are 2 circuit boards in your machine, make sure the plugs are properly inserted into the receptacles and making good contact, also make sure your ignition switch plug is clean and making good contact

Mar 17, 2016 | Miller Trailblazer 302 AC/DC Welder...

1 Answer

I plug in my miller 304 cc cv welder, 220 voltage, the numbers flash randomly, wont balance out, wont weld, any solution


What does the voltage window display? If it is reading open circuit voltage then check your leads. You could have a front control board failed if not. You should probably take it to a miller tech to have pre power checks performed.

Feb 15, 2015 | Miller Welding Tools

1 Answer

How do I remove the knob on the front panel


put a little white lithium grease on it and push in and out a few times .do not take control knobs off if it ain't broke

Sep 13, 2014 | Diesel Miller 907218 Trailblazer 302...

1 Answer

Have a Miller Dynasty 300 that won't tig weld, displays HELP 12 code. Suggestions??


Some welders have a resistor that is obvious and accessible but to give an error code it is likely something else inside. You'll have to look at the circuit board for a component that is burned. If you are lucky you will find a fuse.

Nov 21, 2013 | Miller SYNCROWAVE 250 DX TIG RUNNER WELDER...

1 Answer

Miller mig welder #175 stopped welding, fan comes on and wire does feed, just no weld.


This usually happens when the main Power semiconductors fail. You need to check out the two main places, the Power Supply, make sure ALL voltages are correct, and the main Output semiconductors, check these to make sure they are Not open circuit or short circuit.
http://www.millerwelds.com/service/ownersmanuals.php
Above is your support link.
You need to contact Miller and obtain a service manual, before attempting to service this unit.

Aug 14, 2010 | Miller Welding Tools

1 Answer

Plasma cutter no cutting


the tech is probably pretty close to the cost of board,but you may have moisture in air that still wont take out the p.c..you have a warrenty on the unit,go to your local welding store and request a new one if refussed tell them you want to talk to the miller salesman which they should have no problem to set up.if not call miller direct in appleton wisc.they are good people.

Apr 07, 2010 | Miller Spectrum 375 X Treme Plasma Cutter...

1 Answer

Miller bobcat 225g plus welding problem


If the idle is not working, then it is either you idle solenoid attached to the carberator or your idle board is bad. If you apply 12Vdc to the idle solenoid is should move, if not then the solenoid is shot, no good. If it works then you idle board is bad. Also, check to see if you are 60Hertz by measuring at the outlet with a frequency meter. I recommend a Fluke meter. You should have 120Vac and 60HZ at the outlet. If the frequency is low then your engine speed needs to be increased. The idle solenoid could be causing all these problems.

May 06, 2009 | Miller Welding Tools

2 Answers

Dirty weld


clean your metal with a good peace of the green scotch guard scrub pad prior to the weld.Also try turning up your gas and move a little faster when using filler wire,rember to much heat causes a darker dirter weld.hope this helps

Dec 28, 2008 | Welding Tools

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