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Mitec super 200p ac dc tig welder,, faulty ,,

STICK WELDER WORKS NO PROBLEM.. THE AC,FOR WELDING ALLOY ,POWERS UP ,BUT ONLY JUST ,AND THERES NO POWER ,LIKE PUSH PEDAL ALL THE WAY DOWN ,AND IS LIKE QUARTER OF THE POWER WHEN IT WAS GOING OK.. PLASMA SELECTION,HIT THE SWITCH FOR CUT,AIR FLOWS,AND ARKS,BUT NO POWER OUTPUT/PULSE,,BUT INSIDE THE MACHINE MAKES THE RAPID TICKING SOUNDS WHEN HITTING THE SWITCH AS IT USED TO BE WHEN IT WAS WORKING GOOD.. DOES ANYONE KNOW WHAT PART TO REPLACE?? LIKE IS IT ONE OF THE RELAY SWITCHES NOT CONTACTING OR MAYBE BURNT OUT??OR A DIODE OR SIMLAR ,I HAD REPLACE A FEW SUSPECT DIODES ALREADY WITH NO FIX..

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Posted on Jan 02, 2017

GiantTechGuy
  • 25 Answers

SOURCE: MITEC SUPER 200P AC/DC TIG WELDER,, FAULTY ,,

Common problem with the SUPER series of Chinese machines. If you can provide some photos of the internals I might be able to help you.

Posted on Nov 09, 2009

  • 176 Answers

SOURCE: lincoln precision tig 225.

Hello; Make sure AC Auto Balancing is Enabled; And when Welding Aluminum Aways use 100% Pure Green Coded Tugsten.Make Sure you dont have 75/25 or possibly if you know for sure your frequency balancing on your machine is working you could possibly have a bad bottle of gas try the bottle of gas on the machine that you say that runs good if it runs good put it back on the 225 if the problems still exist there is something wrong with your machine`s Ac high freqency Auto Balancing.Make sure all connections are good,check tig head for loose connections. Step Up to A 1/8 size tugsten it will carry more heat and gets less contanimated.Every time you stick your tugsten it will run contanimated untill you burn it off or clean it ,if you stick you tugsten go ahead and put a clean piece back in the tig head, Contanimated tugsten wil run dirty for 5 to 20 minutes Untill you BURN it Back Clean !?

Posted on Sep 03, 2011

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