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  1. #1
    Join Date
    Apr 2005
    Posts
    1194

    Error 55 motor overload (T1)

    What could be the possible symptoms of this error? This machine has sat for 2 years and we just wired it up. I wonder if I installed the #2 plug on the servo drive correctly :drowning:

  2. #2
    Join Date
    Sep 2006
    Posts
    126
    The main switch (MCCB) of spindle control on Turn off position,
    Please try to Switch on

    Greeting
    Tarom

  3. #3
    Join Date
    Apr 2005
    Posts
    1194
    Where is that located? Is that in the servo box?

  4. #4
    Join Date
    Sep 2006
    Posts
    126
    in another box, QT20 usually on left side, QT10 On right side.
    if the mccb already switch on, it's mean your spindle drive is failure.
    i never repair the drive, (FRSX/FRSB)but i change with the INVERTER, and it working normally.
    BTW, this alarm comes from spindle drive.

  5. #5
    Join Date
    Apr 2005
    Posts
    1194
    Interesting! Yes the spindle would seem to loose its speed calibration. We thought it was a hall effects sensor out and never powered it up after that and it went to storage. I wonder if that part of the drive finally gave up the ghost and died.

  6. #6
    Join Date
    Apr 2005
    Posts
    1194
    We alos hooked this up and dont know exactly where the #2 plug goes or the BV BU leads

  7. #7
    Join Date
    Sep 2006
    Posts
    126
    I think your spindle is FR-SB, BU BV is FAN source that connected to the Motor FAN, it will run when the motor rotate.
    Only one way to find out your system working or not.
    Please try connect FA and FC by wire, this is fault sensor, Close when no alarm on spindle drive.
    my suggestion is replace spindle drive with new Inverter.
    It will be reduce maintenance, power, cost.
    FR-SB is old drive, hard to repair.
    my machine working normally by Toshiba Inverter.

    greeting
    Tarom

  8. #8
    Join Date
    Apr 2005
    Posts
    1194
    I will try that...Thank you!

  9. #9
    Join Date
    Apr 2005
    Posts
    1194
    Cant seem to solve it

  10. #10
    Join Date
    Jul 2007
    Posts
    284
    What type of spindle drive do you have (FR-SB, FR-SD, FR-SX)? What led's are lit up on it? You should be able to tell by the led's if it is in alarm state.

  11. #11
    Join Date
    Apr 2005
    Posts
    1194
    FRSX





  12. #12
    Join Date
    Jul 2007
    Posts
    284
    All of the led's you listed are normal. The leds at the top of the control say that all of the voltages on the power supply are ok and the other two are for Zero Speed and Speed Detection. The connector does appear to be in the wrong place though. I think it should be on the right connector. I am going off of the label on the connector that says CON2. If you look closely on the board one of the connectors should be labeled on the board with CON2. There are some LED's on the second board on the left hand side. Those are the alarm LED's. If they are not lit up then the spindle drive does not appear to be your problem.
    Have you tried calling Mazak to see if they can give you a direction? Maybe your coolant or hydraulic pumps are wired in wrong or shorted.

  13. #13
    Join Date
    Apr 2005
    Posts
    1194
    Mazak was very vauge and want you to send in the whole drive for testing $2400... I will try the other plug but the #2 really didnt have a set spot that was shown it to be plugged into. When powering up the machine I get battery failure and then after sitting a few more seconds it just says motor overload error 55 and E-stop. The parameters are all there and good so I am not sure exactly what the deal is.

  14. #14
    Join Date
    Apr 2005
    Posts
    1194
    Plugging in the #2 to the right spot now I get a different error


    start up I get

    8 Parameter error
    11 Battery fault
    12 Batttery fault

    and then after hitting reset I get

    8 parameter error
    Estop

    What would #8 parameter be?

  15. #15
    Join Date
    Apr 2005
    Posts
    1194
    OK so now I get

    11 Battery fault
    12 Batttery fault

    when it powers up and then after hitting reset I get

    28 f emergency stop (Which I cannot clear)

  16. #16
    Join Date
    Apr 2005
    Posts
    1194
    OK, got that figured out...next issue



    When jogging the 4 way post on the bottom when pushed forward moved the tool carraige away from the spindle and gave a z overtravel issue. When I try to clear the condition with OT release the carraige will not move unless I press forward on the joystick and it will only move backwards...could I have screwed up my legs when I wired up the servos? I went red white and blue...not sure what the issue could be

  17. #17
    Join Date
    Apr 2005
    Posts
    1194







  18. #18
    Join Date
    Dec 2003
    Posts
    24223
    Have you reloaded/checked the parameters?, you mentioned in your first post that it had sat for 2 years.
    I have known these machines lose them over a long weekend!
    can you jog the X?
    The asterisks in the position screen can be lost parameters.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  19. #19
    Join Date
    Apr 2005
    Posts
    1194
    parameters seem to all be there though...its very strange!

  20. #20
    Join Date
    Apr 2005
    Posts
    1194
    See anything strang here



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