Problem- (ALARM 414 SERVO ALARM) Y-AXIS DETECT ERROR?

[PICMAN]

HELLO ZONERS,
I HAVE A PROBLEM WITH MY LEADWELL. IT HAS A FANUC 18-M CONTROL AND ABOUT THREE TO FOUR TIMES A DAY I GET AN ALARM. IT IS A PAIN IN THE CROTCH, BECAUSE I HAVE TO SHUT THE MACHINE OFF AT THE CONTROL AND AT THE MAIN TO GET IT TO CLEAR. THE ALARM IS A (414 SERVO ALARM Y AXIS DETECT ERROR) AND I HAVE NO IDEA WHAT THE CAUSE COULD BE. IF ANYONE HAS ANY IDEAS TO HELP ME OUT, I WOULD GREATLY APPRECIATE IT.
THANKS,
BRIAN PICMAN
"NEVER LOOK A BOUNTY HUNTER IN THE EYES"

[ben_heinman]

Since the alarm is not constantly on then there is probably a bad connection. I would start by checking the connections on the Fanuc drives. Shut the machine off, open the electrical and make sure all the cables and boards are pushed into the drives properly.

[green5372]

You need to open the control cabnet without shuting power off and read the # code on drive that is alarming out and we can go from there. I could be as easy as a fan shutting down to a bad drive

[underthetire]

1st off, caps is considered yelling just a FYI. Now on to your problem.. that is a feedback error, or a disconnection condition between the motor and the drive. I would find the Y axis motor, if it's under one of the way covers, inspect the cover for leaking and damage. You could have coolant in the motor/encoder/connector on the motor. If the Y axis cable is under a coolant puddle, the coolant can soak right through the cable and saturate it, causing resistance between lines. Otherwise, follow the first reply.

[PICMAN]

I WILL TRY ALL OF THE ABOVE. I AM YELLING THROUGH FRUSTRATION. Thanks for the help. It is much appreciated..

[underthetire]

Trust me, that I can understand !

[cnc2149]

The 414 alarm is like a Check Engine light in a car. This fault can be due to any of the reasons the other posters mentioned plus many more. You can go to DGN 200 and 201 on the DGNOS page (off of the SYSTEM hard key) and record the bit pattern for the Y axis when the fault is present. This will give us an idea of which way to go. The definitions of these bits is contained in the 16/18-i CNC Maint manual, if you have it. If not, let us know what you see and we can provide guidance.

[underthetire]

Originally Posted by cnc2149 The 414 alarm is like a Check Engine light in a car. This fault can be due to any of the reasons the other posters mentioned plus many more. You can go to DGN 200 and 201 on the DGNOS page (off of the SYSTEM hard key) and record the bit pattern for the Y axis when the fault is present. This will give us an idea of which way to go. The definitions of these bits is contained in the 16/18-i CNC Maint manual, if you have it. If not, let us know what you see and we can provide guidance.

Good analogy !

[PICMAN]

By chance the alarm hasn't happened since this morning. I suppose the machine gods are smiling down upon me.