Y servo problem - CNCzone.com-The Largest Machinist Community on the net!

myronl · #1 07-03-2009, 02:53 PM

Haas EC 300 alarm code 104 Y axes servo has light on saying fuse open. I omed all of the fuses that I could find all checked OK any ideas as mill will not boot up?

Loose Nut · #2 07-08-2009, 10:10 AM

Chances are you have a short in your Y axis cable/motor.
With the power off disconnect the Y axis motor leads from the Y axis drive amplifier inside of the control. Check the leads leg to leg and each leg to ground. Report back your findings.

Loose Nut

myronl · #3 07-13-2009, 05:08 PM

Thanks for the reply. After I took the servo out of the machine I took the cover off and found it also had a fuse inside of it and it was bad. Machine works fine now. Myronl

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