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Thanks CNC2149, I ohmed the resistors at the discharge unit, and they checked good(15.9ohms)….ohmd the wires at the drive and I’m getting anywhere from 30-50…..so I think I’m going to trace these...

Thanks Al, where would I find this F4 or F7 fuses, there are 5 or 6 fuses on the drive, which all check good, and none of them are labeled F4 or F7.

And by solid state power device are you...

I’m working on a Fanuc Spindle Drive, Model # A06B-6059-H003, in an early 90’s Kiwa 510 Machining Center. You can command the spindle in either direction, but when you give it a stop command it...

You were all correct. The grid shift was off. Reset set it, and it homes just fine now.

I know I am not missing my encoder marker pulse. I can move the axis to the middle of the travel, start a reference return, trigger the switch by hand and it homes in the middle of the axis.

We had to replace the thrust bearings on an older Hitachi Seiki with a Fanuc 6M control, and now the machine over travels when I try to home the Z axis (the axis we replaced the bearings on) I know...

Found it!!!!! Bad relay.....on one of the secos boards......only took me 10 hours to find......haha

Yep, thats what Im trying to figure out now! Ive got the wiring diagram in front of me now and I'm trying to understand it......it is a very poor translation at best.

I think the only things...

+ 100 for The Mitsubishi AJX cutters in this stuff.

For sure, not the brake itself. I can pull voltage straight from the transformer to the brake and it releases.

Thanks Al..
The brake is defiantly not working. I have the bottom cover off of the motor, and it doesn’t budge when voltage is applied. No clicking….nothing…..

As for as the resistance though...

Im a little late and see that you already have a solution, but here is another option


:0100
M98P0101
M98P0102
M98P0103
M99

I’m working on an older Hitachi Seiki VA-40, 6m Control, W/ Gettys Fanuc 20 servo motors. Im trying to troubleshoot what I believe to be a brake that’s not releasing. With the connection to the...

All the manuals I have and can find online tell how to do it with DC servos by moving the resolver. But my AC servo machine doesn’t have resolvers. We need to move it because we switching the...

How do I adjust the Z axis tool change height on a 2216L with ac servo motors? My cold start marks line up.

I can’t swap drives, this has the single speed control unit that controls all three drives, and I do not have another drive like it in the shop.

I did however find a repair shop that will send...

No it’s not getting hot, it’s actually very cool. Two different motors and I get the same results.

I think I could pull the motor off and write a program to cycle the motor with out it alarming...

Yeah Al, That cracked me up when he said that.

Unfortuantly this motor hasent soved my problem, Im still getting an Abnormal Current Alarm. Very intermittent....the machine will run for and hour...

Thanks Al, I called fanuc and they actually gave the infomation to me, which was a huge suprise.

For anybodys future reference the "2" in #7200 Identifies it as being a HP motor or High...

Hi all, I have a Fanuc red cap 5S motor part # A06B-0314-B002#7200 that I believe has a short and I happen to have a spare motor on the shelf that I believe is compatable but the number is slightly...

Is it a miyano?

Oh I didnt even think about looking for an in position signial..I'll give that a try...thanks.

TO THE FANUC BOOKS!

matt

We have and older Hitachi Seki Mill with a Fanuc 6M control and over the last few weeks it seems to developed a lag if you switch from modes to modes...like if you were in tape and switched to...

It is not required, but is a good idea if accuracy is a concern. Depending on what format you are running your machine in it may do it by default.

Neal,
Thanks for the reply, how can I narrow down my problem?

Calling a new H value cancels the current one, but I think it will work eather way.
"G2X.35Y0.I.25J0.
G1X1.25
X1.3
Y.5
G0Z.1
G0G80G90M5M9
G53Z0
M1
(1/16" EM )

When we power up our Fadal VMC15, it dose a cold start ok but then when we try to move an axis in MDI we get the error message “failure setting servo gain”. We can move all three axis in hand wheel...

It ended up being the power supply, replaced the power supply with a spare one and everything seems to be ok, the machine is back there making chips right now, and has been all day.

Thanks all for...

the part number for the Fanuc OT parameter manual is B-62550En/01 .....it just happen to be sitting on my desk

matt

So with what you just said, If I unhooked all the 24V leads and the 5v leads....and still have this alam lamp illuminated, do you think the power supply unit has gone faulty....I have another power...