Discuss How to repair UPS 3KVA from Up Select in the DIY Electrical Advice area at ElectriciansForums.net

T

trunglqvtv

My UPS 3KVA, from Up select has problem: when I turn it on, CB break and no output, I check boost circuit is ok but no output, please help me or anyone has circuit diagram?
 
Hi fella,is the unit disconnected? You may get a bit more feedback,if you list the age,model and any other description of both the unit and its' history.
 
yes, I disconnected . C92 on PFC circuit has break but I don't know what happen because I have not circuit diagram
 

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