REFERENCE Pro-Quip mma-500a no power inverter welding machine

zsaftech

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Issue : Plug in no power , fan not turning on

Physical check no burn parts or physically damage parts.
Check ac line good however no voltage in main filter capcitor.
Check rectifier diode and found out was faulty. Replace two rectifier diode check aswell igbt 60n60 and there was a leak so replace igbt aswell.

Repair results in working condition already repair done..

Sana Maka tulong salamat sa like in advance
 

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