Igor,

I have a Boss 5 still running the original control.  Assuming you're feeding it 
3 phase power, you press the E-stop override button (like you've done) and the 
light should go out.  Then make sure that you're in "setup" mode on the rotary 
switch at the top right of the panel.  Then you should be able to jog the axes. 
 I have the manuals, but only in paper format.  I'm happy to answer any 
questions you might have.  Obviously, it's unlikely that more than one axis has 
a blown transistor, so if at least one of them doesn't run, then there may be 
something else wrong.

It's also worth mentioning that if you're using a rotary phase converter, it's 
important that the generated phase not feed the stepper power supply.  The 
generated voltage is too high, overloading the stepper drive and blowing 
transistors.  I believe it's connected to L1 & L2 but you'll have to confirm.  
When I first installed the machine, I went through 2 or 3 transistors before 
figuring this out.

With respect to conversions, I understand that a breakout board can be used to 
adapt the machine to EMC2, but can't say what additional hardware might be 
required.  Someone else will have to speak to that.

I don't have three phase power, so I'm doing the total retrofit (excepting 
steppers), with Gecko 203V's, Antek 70VDC power supply & 240 to 120V stepdown 
transformer, a VFD, and a Pico Systems USC board.  I plan to control the 
original air motor for the varispeed drive, wire up the original lube pump, and 
the coolant/spray mister relay with EMC.  I have yet to begin the conversion, 
so I'm not sure what challenges I will encounter.

Matt
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