alarm 160 on vf4 - CNCzone.com-The Largest Machinist Community on the net!

markct · #1 06-14-2007, 05:39 PM

i have low voltage alarm 160. checked incomming voltage: 241v. each leg.
dc buss volts are 16v. anybody have any ideas? thanks

HAILINHAAS · #2 06-14-2007, 06:58 PM

dc buss should be around 340V

markct · #3 06-14-2007, 08:40 PM

any idea why it would be 16v

HAILINHAAS · #4 06-15-2007, 09:47 AM

Possibly Bad vector drive .. green L.E.D. on it must be lit.
Regen or regen cables could be bad.
Bad amplifier. There are a few step[s that need to be done to pinpoint it.
Call your dealer.

markct · #5 06-15-2007, 07:31 PM

i was hoping to keep the dealer out of this but i guess not.
thanks for your help.

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