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I have a 1993 Citizen L20 that is having a new problem...Spindle will no go over 2810 RPM...All works well at lower spindle rpm but any call over 2810 just yields 2810 rpm..program 4000 you get 2810....

We were running a job on 1992 Citizen L20 and all of the sudden the main spindle will not spin

The alarm says T03 Block Stop 0301
Diag: M01 ERR 110

When I power down machine completely and...

I am trying to upload a program to a 1992 citizen L20.
I made a cable as per instructions found on cnczone. 25 pin to 9 pin
It works fine for downloading to the computer. But it doesn't seem to...

Y03 amp not equipped has been solved...a fuse was blown on the amp drive...easy fix!

I am having fun getting this machine running. Still have not solved the Y03 amp not equipped S2 error yet.
Have you had a chance to find a drover nut or a cap nut yet?
Do you have any TF25 Guide...

looks like m61 and m62 have something to do with the LNS magazine barloader..anyone know what they mean??
G50s2675Q500 ....... what is Q500?
G79z1.25I.2k.05A.03F.0035 ...Is this peck drill 1.25...

I downloaded some programs off my 1992 Citizen L20 3M6 and some of the commands used are not in my manual.
Can any on explain G79z1.25I.2k.05A.03F.0035
I saw one comment in the manual...

I just made the cable to input/output data to the 1992 Citizen L20 3M6.
Can anyone guide me on how to save all the important parameters that are in this machine...incase of battery failure...
so...

Thank You very much....I will be waiting...

The number seems to have been wiped right off on my Mitsubishi controller in my 1992 Citizen L20. Does anyone know what it is?
Also is it ok to change the blue NiCd batteries to NiMh or should I...

I need the Cap Nut that holds the TF25 collet in. And I need the drover to hold the guide bushing in. seems like they were not supplied with this fine old machine..Any help getting this machine...

I have just powered up a new to us 1992 Citizen L20 VI Type L3-570T. Attached is the alarm screen. I am a newbie to cnc swiss machining.

Alarms:
Y03 Amp. Unequipped S2
M02 Need R.P. RTN ...

Yes that was the problem....one of the limit switches had moved a little...loosen 2 screws ..move limit sensor a little closer and tighten the 2 screws...fixed....Thank you all!!!

Faults Display
Emergency Stop
Enter reset to continue
PLC revision K3-R1 06/06/07

Sorry it took me so long to respond but the machine was unavailable for a while...back on it now

Faults Display
Emergency Stop
Enter reset to continue
PLC revision K3-R1 06/06/07

Sorry it took me so long to respond but the machine was unavailable for a while...back on it now

Just bought a K3 knee mill with dynapath control.
Got the power all hooked up on Wildcat 220 by a professional electrician.
Turn it on an it powers up fine. push reset twice and push reference and...

I have a Tsugami mercury NCM45/160 with a Fanuc 5T and I do not know where to enter the tool radius when using the G41 or G42 tool nose radius correction.

Also there is a electrical switch near...