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  #41 (permalink)  
Old 03-04-2009, 07:45 AM
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Join Date: Apr 2007
Location: Newman Ca
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Took the motor apart looking for a crushed wire or something. Couldnt find anything that looked bad. Put it back together and hooked it up again. Cant get past the....

"Not Ready Alarm" Servo Alarm 02 (VRDY OFF) Does anyone know what VRDY OFF is?

Im going to walk away from this and take a offer from one of my ex employers to use his cnc mill to get my parts made for my customer. That will give me a few days to think about this and hopefully get some suggestions on which way to go to fix this..
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  #42 (permalink)  
Old 03-07-2009, 03:13 PM
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Exclamation Dc motor

Just to tell you that this kind of servomotor usually has a pulse coder that you must mark if you take it apart from the motor.
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  #43 (permalink)  
Old 03-07-2009, 05:43 PM
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mykit1,

The VRDY alarm is telling you that the CNC sent a signal to the amplifier, but the amplifier didn't respond telling it that it was on.

Check for blown fuses on the amp, and check to see if the reset button on the drive is tripped.

Like I said before, I'm not all that familiar with this particular series of controls, so I'm not sure about the hardware layout in the cabinet. There *may* be fuses at each individual amp for incoming voltage. Check there if so, and then there may be fuses on the circuit board itself.

Cody Stamper



(Note: The opinions expressed in this post are my own and are not necessarily those of machinetoolhelp.com and its management)
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  #44 (permalink)  
Old 03-10-2009, 08:39 AM
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Thanks alexfanuc and codyst. Here is what I have found out..I got a hold of one of the head Kitamura repair guys in the area. Here are the steps he took me thru to find the problem. First thing he had me do was power up and find the row of alarm lights on the lower right corner of the Z board. On top of the back of the door is 3 boards/chassis units. The one on the right is the Z unit. On the lower right corneris about 7-8 lights with acronyms next to them. My acronym was OVC, that is a mechanical overload involving the brake.

Next he had me turn the power off and disconnect the 4 power wires to the Z board. The wires were blue,red,white and black. They are on the bottom of the board and arent necessarily in that order. Next he had me find the very small row of jumpers with acronyms next to them. The jumpers are very small pins that you "jump" with a very small white coupler. The couplers are on one pin and need to be moved to both pins. I jumped the TGLS pins. When I powered up the machine appeared normal, no alarms. At this point the motor should have had a released brake and I should have been able to spin it. I couldnt.

Turned the machine off and returned it to normal. (Un jump TGLS, and connected power wires). Took the motor off the machine and took it apart so i could access the wires that go to the electromagnetic brake. The Tech guy told me to connect them to a 110 outlet. Im sort of chicken so i connected to a car battery first. no response. Next I found a old power cord and wired it to the brake. Plugged it in and nothing happened. It should have activated the brake (released it). Im calling the Tech guy in a few minutes.. Im hoping he has a brake unit somewhere in a old box.

Ill let you know how it turns out.
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  #45 (permalink)  
Old 03-11-2009, 03:19 PM
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The new magnetic brake from Fanuc has a dealer cost of $1500.00, not including shipping. The Fanuc Tech guy told me that any Fanuc M10 motor with a brake and a straight shaft will work. I found a used 1 on ebay for $600.00, and $375.00 to ship it over nite. It should be here tomorrow afternoon. I should be able to swap my pulse counter and be good to go.
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  #46 (permalink)  
Old 03-13-2009, 03:31 PM
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Location: Newman Ca
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The motor I bought was a 10M Fanuc Servo motor. It had a straight shaft and a brake, it came off of a Mazak machine. With my pulse counter and shaft adapter it works perfectly on my machine. Its nice to know I have a spare parts motor laying around now.
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