No need to remove the mosfet until the drain and source are not short ..you can try checking value by removing gate resistors one by one. But nyc work

Excellent bhi what an amazing trick to understand

ARC400, when we start welding it comes oc lamp but before weling it looks ok.After coming oc lamp if we off and on, then it's looks ok but starting welding same problem occure.What's the problem??

Very good I know all... Saludos from chile..

Yes sir i have same machine oc problem but when feedback connection pin removed the oc gone,Mosfet,diodes and transformers all are good what causes that problem to occur.

I would like to know which transitor is there when you turn on the polymer, I have seen that it starts with reading 141.2. now if it is below that how does it grow and if it is above that how does it grow great.

I finish replaced all 4- IGBT. After I powering my machine, power is good without a light of error indicator, but when I touch the torch to the ground the IGBT are blown again. Any recommendations to check parts is

Thank's sir🙏

because I have a machine, the problem is that it lights up but does not burn. and there in front there are two lights, one showing electricity and the other showing that it is a baptism machine. and both are lit and the machine does not burn

excellent work!!!! keep going. You changed all the fets? or only the faulty ones?

Pls, show the mult

K4107 MOSFET ha keya up ke pas

ARC250 OC problem 20 diodes how to check

🙏🙏🙏🙏🙏🙏🙏🙏🙏

What the hell is wrong with you creators that don't talk? Scared?? Silent videos are bullshit.