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Type: Posts; User: fanucman

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  1. Replies
    14
    Views
    11,231

    probably a bad servo drive.. check x axis servo...

    probably a bad servo drive.. check x axis servo motor and cables for short.. you need to see 100 mega ohms to ground on all 3 legs.. if you do then drive is bad. .if you see a short you need to check...
  2. Replies
    7
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    2,172

    its supposed to hit the decel switch.. slow get...

    its supposed to hit the decel switch.. slow get off switch and add grid shift and stop..

    possible causes are somebody moved the decel too close to the hard ot..

    the 1 rev signal from encoder...
  3. Replies
    10
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    1,790

    swapp command and feedback cables and see if the...

    swapp command and feedback cables and see if the problem goes to another axis.. that will prove if its the mainboard or not and if its a feedback problem
  4. Replies
    10
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    2,071

    ok so meg the motor.. it needs to be higher than...

    ok so meg the motor.. it needs to be higher than 100 megaohs phase to ground, do all phases

    check the motor with a regular ohm meter between phases and make sure you get like .3 ohms or something...
  5. what card are you using..

    what card are you using..
  6. Replies
    10
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    2,071

    uh sensors have nothing to do with this.. alarm...

    uh sensors have nothing to do with this.. alarm 12 is overcurrent in dc bus..

    remove motor power cables from spindle drive.. give mo3 s200 command.

    if alarm remains you have a bad drive...
  7. i would call fanuc on this one dc spindles are a...

    i would call fanuc on this one dc spindles are a ***** to work on..
  8. Replies
    8
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    2,726

    thats because you have a parameter set wrong for...

    thats because you have a parameter set wrong for homing direction
  9. Replies
    10
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    1,790

    is motor black yellow or red cap.. does ...

    is motor black yellow or red cap..

    does machine have electronic scales for position detection? what is in parameter 1815
    could be a bad encoder, scale or feedback cable
  10. Replies
    2
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    1,170

    nmi is non maskable interrupt.. sounds like a...

    nmi is non maskable interrupt..

    sounds like a hardware problem.. do you have another machine with the same control?
  11. just make parameter 20=4

    just make parameter 20=4
  12. does it just sit there? if so it might be spindle...

    does it just sit there? if so it might be spindle speed arrival signal, or the position coder is bad..

    try turning on the dry run switch.. if it works it will prove my theory
  13. Replies
    6
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    4,357

    ok do this. to eliminate the motor you need to...

    ok do this.

    to eliminate the motor you need to swap motor power cables with another drive and feedback AT THE SAME TIME

    to eliminate the drive you need to swap command at the drive and motor...
  14. Replies
    5
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    817

    you have to cal makino for that.. its their alarm

    you have to cal makino for that.. its their alarm
  15. Replies
    6
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    4,357

    what control? swap the command and feedback...

    what control? swap the command and feedback cables see if problem goes to other axis
  16. bmu took a crap or the mainboard.. measure all...

    bmu took a crap or the mainboard.. measure all voltages on main board 5 15 -15 24..
  17. Replies
    5
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    817

    any fanuc alarms?

    any fanuc alarms?
  18. Replies
    9
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    2,602

    do you have another one (machine)? did you...

    do you have another one (machine)?

    did you check for a list in the back of the machine?

    did you call leadwell yet?
  19. Replies
    13
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    1,581

    check the dry run switch, and spindle arrival...

    check the dry run switch, and spindle arrival signal.. it probably isnt on..
  20. Replies
    7
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    1,134

    make sure you have a good connection from the top...

    make sure you have a good connection from the top board of the amplifier to the rest of it..

    second if you have another axis that has the same drive just swap the boards. but obviously retain any...
  21. Replies
    4
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    1,415

    never mind that.. heres what you do.. first...

    never mind that..

    heres what you do..

    first you said you have a scope.. you need to measure PA to 0 volts and Pb.. while running the spindle at like 100 rpms..

    the wave form will be a sine...
  22. Replies
    17
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    3,649

    by checking the transistors and feedback from the...

    by checking the transistors and feedback from the motor
  23. Replies
    16
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    6,446

    ur probably gonna need the ethernet function ...

    ur probably gonna need the ethernet function

    and focas for doing this... call machine maker
  24. what does parameter 1815 look like..

    what does parameter 1815 look like..
  25. turn dry run on and see if it works that way..

    turn dry run on and see if it works that way..
  26. Replies
    7
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    1,094

    zeros dont have counters page.. its in the...

    zeros dont have counters page.. its in the diagnostics

    call johnford they will tell you
  27. Replies
    1
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    948

    might be a bad memory board.. recheck all the...

    might be a bad memory board.. recheck all the parameters for rs232..
  28. Replies
    5
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    1,548

    no you cant put anything in there.. but i...

    no you cant put anything in there..

    but i should have an embedded port which is slower..
  29. ok so.. make parameter 1850 (grid shift) a 0...

    ok so..

    make parameter 1850 (grid shift) a 0 for y axis and do reference return.
    check the scale feedback with scope
    check the battery for y axis scale
    check the feedback cable for breaks
  30. Replies
    1
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    770

    they are the same..

    they are the same..
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