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mistake shorted IGBT channel 7

Started by andreNL, August 28, 2010, 07:23:03 AM

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andreNL

Now i dont have current on any output driver if switched on in vemstune
(igbt's fet's and lcd or misc channels), shorted without a load after soldring and powerup.
Vems version 3.2 with 1.1.78 firmware
cheers andre

andreNL

I had time to check the pcb today,
it appears the short is made through the cooling plate
mounted to the chassis.  ???
should be normal i suppose,

Sprocket

There is suposed to be an insulator sheet under all the IGTB/ FET devices for this reason. If you do not have this, it might just be a simple matter of installing some.

http://shop.vems.hu/catalog/ignition-driver-insulator-sheet-p-75.html