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  1. #1
    Join Date
    Mar 2011
    Posts
    37

    VTC-20B M-Plus no start

    Hi,

    having issue with my VTC-20B, it wont start. i have 230v to QX086 but no leds are lit (fuses are ok).

    Is there anything i can check/do or will i need to replace QX086?

    Thanks

  2. #2
    Join Date
    Sep 2017
    Posts
    139

    Re: VTC-20B M-Plus no start

    When you pull out the QX086 card from slot and then power on, are the leds getting on ?

  3. #3
    Join Date
    Mar 2011
    Posts
    37
    Quote Originally Posted by navinbhas View Post
    When you pull out the QX086 card from slot and then power on, are the leds getting on ?
    Hi,

    Thanks for reply, forgive my ignorance but will i loose parameters by pulling the card?

  4. #4
    Join Date
    Sep 2012
    Posts
    215

    Re: VTC-20B M-Plus no start

    Check the 24v power supply
    Regards Bob

  5. #5
    Join Date
    Sep 2017
    Posts
    139

    Re: VTC-20B M-Plus no start

    The process I said above will take less than a minute to check. Your data should be ok if the existing battery voltage is ok.
    The data is store in the S-RAM card mounted on QX141/QX161 and has a super capacitor which is capable of giving necessary backup charge. So make sure all is ready.. Pull out the card. Power on and then check if its powering on. Turn off and then plug in..

    Next step would be to remove all the output wire connections from QX086. Provide only the input supply and check if powering on or not. Check this step in both condition, QX086 mounted in the slot and taken out from slot/

  6. #6
    Join Date
    Mar 2011
    Posts
    37

    Re: VTC-20B M-Plus no start

    Quote Originally Posted by navinbhas View Post
    The process I said above will take less than a minute to check. Your data should be ok if the existing battery voltage is ok.
    The data is store in the S-RAM card mounted on QX141/QX161 and has a super capacitor which is capable of giving necessary backup charge. So make sure all is ready.. Pull out the card. Power on and then check if its powering on. Turn off and then plug in..

    Next step would be to remove all the output wire connections from QX086. Provide only the input supply and check if powering on or not. Check this step in both condition, QX086 mounted in the slot and taken out from slot/
    QX086 does not power on in any of the cases described above,

    I assume that the others cards next to it (QX141/QX521/QX539) does not power on because they are supposed to get power from QX086?

  7. #7
    Join Date
    Mar 2011
    Posts
    37
    anything else i can check?

  8. #8
    Join Date
    Sep 2012
    Posts
    215

    Re: VTC-20B M-Plus no start

    Quote Originally Posted by gusf View Post
    anything else i can check?
    Have you checked the 24v supply
    Regards Bob

  9. #9
    Join Date
    Mar 2011
    Posts
    37

    Re: VTC-20B M-Plus no start

    Quote Originally Posted by sudsy View Post
    Have you checked the 24v supply
    I just checked and 24v power supply is functioning

  10. #10
    Join Date
    Sep 2012
    Posts
    215

    Re: VTC-20B M-Plus no start

    You might need to do a re-initialise then reload all your parameters
    Regards Bob

  11. #11
    Join Date
    Mar 2011
    Posts
    37

    Re: VTC-20B M-Plus no start

    Quote Originally Posted by sudsy View Post
    You might need to do a re-initialise then reload all your parameters
    Is there any way to extract the parameters from the memory before? I dont have a digital copy of the parameters

  12. #12
    Join Date
    Sep 2012
    Posts
    215

    Re: VTC-20B M-Plus no start

    Not that I know of if the machine doesn't power up at all but someone else may know. There is a procedure after you do the re-initialise that will extract them from the ROM or RAM.

    Attachment 406444
    Regards Bob

  13. #13
    Join Date
    Mar 2011
    Posts
    37

    Re: VTC-20B M-Plus no start

    I had a mazak tech checking the machine yesterday and he says the card is toast. I just ordered a replacement card

  14. #14
    Join Date
    Mar 2011
    Posts
    37

    Re: VTC-20B M-Plus no start

    The replacement card arrived on friday and now everything works. thanks for you help guys!

  15. #15
    Join Date
    Sep 2017
    Posts
    139

    Re: VTC-20B M-Plus no start

    Hi gusf... Glad to hear the machine is ready.. Sorry was on travel, hence been offline for more than a month now.

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