DMG DMC103V 840D issues
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  1. #1
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    Default DMG DMC103V 840D issues

    Im picking up a DMG DMC103V with 840D next week. Going to sellers shop to lock the spindle for moving tomorrow. Machine was purchased new and used for 180 hrs then not used since 2003 or so due to internal family company dispute, the usual loooong story. No one at the shop knows much of anything about the control, they eventually just bought a new cnc machine and this one sat.

    I checked it a month or so ago and it boots, spindle runs (at low speed), machine references and jogs but gets an "MDA buffer cannot be opened error 65536006" and I wasnt able to get past that to make the control do anymore more. From looking around online that error appears to be due to a dead or dying backup battery.

    So Im hoping i can get it to boot to the point where I can jog to install the spindle lock fixture. Question is if the backup battery is all the way dead, what are the options(resets, reboots etc) if any to limp the machine to minimal functionality to prep to ship? Should I install a fresh battery first?

  2. #2
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    "Looking around" makes me think you have no docs?

    I don't know that control, but it sounds like you'll need to replace the battery and probably reload parameters at the least.

    Machine was purchased new, the books and backups should all be there.

  3. #3
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    Yes thats all there. I had no access to the printed docs so looking around online.

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    There's 2 versions of the control, harddrive on the high end model on a pccard on the other. but here's the procedure
    the files should be stored on the hd or pccard, there may be multiple, if there are I would just select the ones with the latest dates.

    810D\840D


    NC & PLC Clear Procedure


    1. Set S3 on the 840D NCU to position #1
    2. Power on control.
    3. When the control is fully powered up Press the “Reset” pushbutton on the 840D NCU
    4. Wait for display on NCU to show #6
    5. Set S3 to 0 and push the “Reset” pushbutton.
    6. Wait for display on NCU to show #6
    7. Turn S4 to Position #2 - PS LED is ON.
    8. Turn S4 to Position #3 - PS LED is OFF.
    9. When PS LED comes on turn S4 to Position #2 then immediately back to position #3.
    10. PS LED should now be blinking.
    11. Set S4 to position #0. – PR LED should go to a solid green after a few seconds.
    ** If it is not procedure was not done correctly. Repeat PLC steps #1 through 4.**
    12. Set S4 to position #2
    13. Press “Reset” pushbutton on 840D.

    Note: The PLC and NC are now cleared.

    then


    810D\840D


    NC & PLC Reload Procedure


    NC Data Reload

    1. Press “Menu Select”
    2. Press the extension key ( > )
    3. Press “Start Up”
    4. Press password.
    5. Press Set Password
    6. Set the password “SUNRISE” (Upper Case) then press the Yellow Input Key then “OK”.
    7. Bottom of display will say “Password has been set for Manufact. !”
    8. Press “Menu Select”
    9. Press the extension key ( > )
    10. Press “Services”
    11. Press “Series Start Up”
    12. Press “Read Start Up Archive”
    13. Select (Highlight) NC Archive file
    14. Press “Start” on the control.
    15. Answer the question. Series start up archive? YES if asked.
    16. Note: NC goes into reset several times during this step. It may take several minutes. (5-10 min.)
    17. ****Wait for the bottom to display “ Job is Ready”****
    18. Press “Menu Select”
    19. Press “ > ” Key
    20. Press Start Up
    21. Press NC Reset.
    22. Press Yes.
    23. You will see alarm Communication to NC failed.
    24. You will see Communication to NC re-established.
    25. Continue with PLC Reload

    PLC Data Reload

    1. Set S4 on 840D NCU to position #1.
    2. Press “Menu Select”
    3. Press “Services”
    4. Press “Series Start Up”
    5. Press “Read Start Up Archive”
    6. Select (Highlight) PLC Archive file.
    7. Press “Start” on the control
    8. Answer the question. Series start up archive? YES if asked.
    9. Wait for the bottom to display “ Job is Ready”
    10. Press “Menu Select”
    11. Press “  “
    12. Press “Start Up”
    13. Set S4 on 840D NCU to position #0.
    14. Press password.
    15. Press Set Password.
    16. Set the password “SUNRISE” (Upper Case) then press the Yellow Input Key then “OK”.
    17. Bottom of display will say “Password has been set for Manufact. !”
    18. Press “ NC Reset”
    19. Press “yes”
    20. Power machine off then on.
    21. Machine should now be ready for operation.

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    Thanks that’s great step-by-step information. I was able to boot the machine a couple times and get servo enabled and jog I was able to move the axis and block the spindle. Then I tried to do a tool change to remove the toolholder in the spindle and the machine locked up. Now the yellow button continue forward? Is lit and I can’t engage the service. Doesn’t really matter as I can ship it in this position. Will post updates when it’s back at the shop and powered on

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    side note after you do get everything reloaded there may be "h? m99" commands you run in mda to turn on features. When I've had to reload in the plc (lathe) I have to go in and turn on the chucks, bar feeder ect. DMG would have to answer that. Maybe you have to do that to turn on the tool changer?

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    My mistake, Its actually an 810D. Looking at the front panel I thought it was an 840D. Owners didnt know. I saw that there were 2 floppy discs in the cabinet. one was the V24 file transfer disc and the other was the parameter/OS disc (I think).


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