Problem Fanuc 449 invertor IPM alarm - CNCzone.com-The Largest Machinist Community on the net!

cagis · #1 12-14-2011, 02:36 AM

Hi

i have fanuc wire EDM,
control unit is fanuc 18i-w

i get an error message the machine starts.

u , V axis inverter alarm 449

was once a while, and then re-opened the issue is resolved.
but now is not being solved.

alexfanuc · #2 12-14-2011, 04:42 PM

This happens before you push the control ON button right? Then the problem is the servounit itself.

bmngator · #3 12-15-2011, 02:53 PM

Had the same problem last week. If you get the alarm after turning on
main power and you have not pushed control on.
It is the servo amp. You will have to replace it.

cagis · #4 12-16-2011, 04:01 PM

Originally Posted by bmngator

Had the same problem last week. If you get the alarm after turning on
main power and you have not pushed control on.
It is the servo amp. You will have to replace it.

I have replace IPM , but error did not improve,
and now XY inverter has same error. .

how do you solve this problem?
Replace IPM or Replace Inverter

Thanks

alexfanuc · #5 12-16-2011, 04:50 PM

You must replace or repair the servounit A06B-6096-HXXX
Good luck!

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