I have a Cincinatti Milacron retrofitted with a Fanuc 21 control. It recently started throwing up the 411 alarm on X whenever it was taking a cut. Checked the motor it megs out fine and ballscrew turns pretty easy. While trying to get it to run the other day i could smell something burning. Powered down and opened cabinet and seen smoke coming from one of the boards. It is Siemens 6sc6100-0ga00 board. Two diodes (v379 and v380) are crisp. I bought another board haven't installed yet for fear of burning it as well. What could cause this? Bad Cables?
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05-10-2013, 06:58 PM #1
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Cincinatti Milacron Retrofit Problems
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05-10-2013, 07:19 PM #2
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Check the motor from the drive end of the motor leads, that should tell you.
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05-15-2013, 07:47 PM #3
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Motors and cables to motor look good.
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