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I'm a little confused with file backups on Fanuc controls. Can you just backup the SRAM from the boot menu? Does the SRAM contain the programs, offsets, parameters, ladder, etc.? Do I need to backup...

Year is 1991. Servo amp is a GTK. DC system. Servo amp is not the problem. It was swapped to the Z axis and no problems were noted.

Machine is a 4020. Y axis is completely inop. Switching the axis to Y on the select switch immediately causes a Y servo amp error. I have swapped servo amp cards and axis cards. I have rung out all...

Arrrgghhhh. Still not working. I have changed parameter 3208 bit 1 to a 0 and adjusted the time in 3123 but the screen is still not turning off. Is there a jumper on the board somewhere? We have 4...

I have set the time for the screensaver on our Robodrills but it still does not go into the saver mode. Is there a parameter or keeprelay that needs to be set???? Thanks

Jeremy

I need to edit the ladder on a VTC-16 using a M32B control. Can someone explain how to do this. I can get in to see the ladder and monitor it but can not do much else. Also, how do I find the next...

Check your PLC output relay for the clamp/unclamp cct. Chances are both solenoids are in the ON state for the hydraulic turret clamp. This means one of your output relays is fused shut.

Machine is a VMC 4020
Glentek 4050 motors

I have replaced the brushes (both commutator and tach), refinished the commutator, replaced the motor bearings, replaced resolver, swapped both axis and...

I am in need of the OT parameter manual. Can anyone help??? Thanks.

Jeremy