ultrasonic generator. .. #2

Thread Starter

Dafe Technologie

Joined Oct 29, 2020
Hallo Guys,
we have two ultrasonic generator 20K,2000W
That we use for face mask machine for earloop welding
one of them is defect. ( No output )
But second one is okay
Can some one have experince
from where i can start fault finding
I have checked all Power Transistor and Diode
how i can go further fault finding
Generator are from China
waiting for you reply

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Hi, I also have one machine broken all the power transistors blown and i can not see the code number to find equivalent, can you please tell me what is your power transistors code number