My m4 with fanuc 6t controller - Page 3
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  1. #41
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    Quote Originally Posted by Philabuster View Post
    Machine needs to be set to AUTO, not tape to run a program from memory.

    Here's an old PM thread about how to run the 6T:

    Fanuc 6T Basic Setup Process
    There is no auto mode . good thread though saw it last night also .

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  3. #42
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    Ok I manually shifted all ranges they all function but No indicator lights , I think there is either a hydro issue or electric issue .

  4. #43
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    Well carefully I opened the back panel door in safe mode , And these 2 are on. The main one that has a white background is an over load light. So far fanuc says there having a hard time helping me .
    Attached Thumbnails Attached Thumbnails eletric.jpg   electric-1.jpg  

  5. #44
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    uggh they just quoted me 2800 for a rebuilt controller .

  6. #45
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    It's a Mitsubishi drive, not Fanuc. Fanuc can't help you there. I doubt Mitsubishi can either for a machine this old, but worth a shot.

    It would be worth check all the fuses, contactor heaters and connections in the drive. If you have the books for the drive it may have tests you can run.

  7. #46
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    thanks for the info .

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    Quote Originally Posted by Garwood View Post
    It's a Mitsubishi drive, not Fanuc.
    Mazak used Fanuc's before switching everything over to Mitsubishi. The 6T control on his machine is certainly a Fanuc.

  9. #48
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    its a bishi control

  10. #49
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    jumping osh1 and osh2 right now

  11. #50
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    Quote Originally Posted by Philabuster View Post
    Mazak used Fanuc's before switching everything over to Mitsubishi. The 6T control on his machine is certainly a Fanuc.
    Not so. That is a Mitsubishi spindle drive hooked to a Fanuc control. I bet it has a Mitsubishi DC motor too.

    I have a pair of these M4's. The one I have with a 5T is probably going to be stripped for spares for the 20 year newer mazatrol machine and then scrapped. That 5T one has a Mitsubishi spindle drive in it, might be the exact same one. Looks the same atleast. Mine is 1979. That one is 1980.

    I have some work to do to get the newer machine making parts before I can decommission the old 5T, But if you are interested in the drive Jess and can wait a couple months possibly let me know.

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  13. #51
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    I am interested in it Garwood , the time is the only kicker , I need to see what mitsubishi quotes me on fixing it , if that's crazy I may wait sure . Thanks for the offer. Jess

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    update the light on the speed control was 0 speed not over heat , so were normal as far as that goes. We do not have a ready light is the issue. Tried unlocking the spindle , all sorts of m codes . Nothing.

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    Quote Originally Posted by reedeprintice View Post
    Ok I manually shifted all ranges they all function but No indicator lights , I think there is either a hydro issue or electric issue .
    Quote Originally Posted by reedeprintice View Post
    update the light on the speed control was 0 speed not over heat , so were normal as far as that goes. We do not have a ready light is the issue. Tried unlocking the spindle , all sorts of m codes . Nothing.
    Is the machine phased backwards? Do you have any hydraulic pressure? Is the hydraulic pump running in the correct direction?

  16. #54
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    Yes , I tried reversing the phase to make sure ,it makes a weird rattle noise when you start the control. The pump is making good pressure and going the correct direction. Thanks Jess


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