I've got a Giant Tools LGK-60 Plasma Cutter here to repair.

Complaint: It does turn on, the display is on, consumables had been replaced, when the trigger is pressed the air valve opens and that is about all she does.

So I've opened that sucker up, checked the inverter o.k., checked the arc board o.k., came to look at the 400V 470uF main filter caps on the power supply and
You think there is sumtin wong here? All 6 of them look like that!...