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[MOVED] Hitachi j300 frequency drive

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caloyranullo

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Hello there,

I am trying to fix the problem of error message E-14 on J300 Frequency inverter, it says ground fault
on the output side, but even I disconnect the wires at the UVW on the inverter side it still shows the same message and once I reset it a new message appear as E-33.

I was thingking the problem is with the IGBT Module which has a part number 6MBP75JA120, 75A, 1200V, IT IS A SIX PACK IGBT's with built in drivers. How can I check it if it is working properly? It has a connection printed on it like P,N U,V,W. How can I test it like testing a brick type IGBT's thru a 12v battery & a lamp?

Thanks in advance to anybody that can help me with the above.

best regards to all,

CRR
 

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