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Kawasaki C80 CPU error

  • mattia
  • November 11, 2024 at 6:21 PM
  • Thread is Unresolved
  • mattia
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    • November 11, 2024 at 6:21 PM
    • #1

    Hello to everyone, I ask you for help because I haven't been able to find a solution to my problem.
    I have a problem with a C80 controller during save operation.
    I tried to do a backup using save command but i noticed a CPU error during save operation. Error is:

    ERROR (-1100) CPU error (Code=00008008)
    Task(MON1)Stop SIG=00008008 [FAULT(PARALLEL )] PC=30062724

    I tried to do partial backup using save/ p,l,r,s,a etc.. and i noticed problem was in transformation points.
    So I tried to load again transformation points, but I still have problem during transformation saving operation.

    I don't have any other errors. It seems like some transformation value is corrupted.
    Is it possible to do something as memory formatting, can be the right procedure?
    Does anyone have any suggestions or has this happened before?
    Thank you in advance for your help.


  • mattia
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    • November 12, 2024 at 1:28 PM
    • #2

    I tried to go deeper in this situation, I cannot be able to solve the problem but I would like to provide you more information.
    I discover that problem is not only when I do save/l command but also when I do list/l command.
    By list command I tried to understand where is last variable read, so I thought there is problem with next variables but when I type the name of variable it can show me without problems.
    Really I don't know why my head is blowing ???

  • kwakisaki
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    • November 17, 2024 at 11:46 AM
    • #3

    This sounds like memory allocation related issues due to corruption or actual bad electronic memory on the CPU board or possible AS firmware corruption.
    Irrespective of issue, the likelihood of some data loss is probably unavoidable.

    If you would like to troubleshoot the hell out of this, it will probably take a lot of time and effort.

    From what you have written, sounds like you've followed a route of investigation I have done previously on a later controller (E), where a program pointer appeared in the location register for no reason at all, and should never have happened which resulted in similar CPU crashes when trying to edit, modify, save, load and listings etc just as you are encountering.

    If this is hardware related, then the only fix for this would be to obtain a replacement CPU board as the memory is physically mounted on the CPU board and if the memory chips are going bad, it is likely they are at the end of their manufactured duty cycles (read/write) and is likely to just get worse.

    If it is just software corruption, then a complete hardware reset procedure is your only route of action to clear all data and reload a known working backup.

    Now your issue (if you have no known backup), is to extract what you can extract as it is likely this issue is down to just 1 single variable, so if you can extract everything excluding that variable, then that would be route to take, but like I said, it will take lots of time, head bashing to achieve.

    Can you provide a progress result screen shot of:
    - SAVE test
    - SAVE/P test
    - SAVE/L test
    - LIST/L
    - DIR
    - DIR/L

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • November 26, 2024 at 11:37 AM
    • #4

    Sorry for my late answer, today I had time to check with all that command.
    I try to summarize here.
    1. SAVE test ended with error during transformation saving.

    2. SAVE/P test ended without problem.

    SaveP_test.JPG

    3. SAVE/L test ended after some seconds during saving transformation values

    4. LIST/L ended after showing some parameters.

    5. DIR ended without problems.

    6. DIR/L ended without problem.

    Thank you for your help.

  • kwakisaki
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    • November 26, 2024 at 8:21 PM
    • #5

    Please post ALL progress screenshots I have asked for and make sure to include ALL the screen?

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • November 27, 2024 at 11:37 AM
    • #6

    If you want I registered log during these test. Could be enough?

  • kwakisaki
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    • November 28, 2024 at 5:44 AM
    • #7

    Post what you have.

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • November 28, 2024 at 2:29 PM
    • #8

    Here the two log about save save_test.log.txt and saveL command saveL_test.log.txt

  • mattia
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    • November 28, 2024 at 2:33 PM
    • #9

    Here save/P saveP_test.log.txt log and dir dir.log.txt log

  • mattia
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    • November 28, 2024 at 2:40 PM
    • #10

    And here the result of save/L test which gives me some error in opening with KIDE test.lc.txt

  • kwakisaki
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    • November 29, 2024 at 6:06 AM
    • #11

    What happens if you type in via editor: (again please add screenshots/logs)

    LIST buffer_record
    LIST/P buffer_record

    Also what is memory usage looking like, type in FREE and provide figure returned?

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • November 29, 2024 at 10:48 AM
    • #12

    Hello, available memory is 19%. I tried to do LIST and LIST/P. No problem with LIST/P while using LIST buffer_record I have the same CPU error.
    Here the log file with every command typed: Test2_2.log.txt

  • kwakisaki
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    • November 29, 2024 at 7:09 PM
    • #13

    What happens if you type in:

    EDIT buffer_record

    If you can enter edit mode for the program, what happens if you just press RETURN on the keyboard?
    Can you do this all the way through the program till the last step without any issues?

    Again, provide log of this process.

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • December 2, 2024 at 3:23 PM
    • #14

    I can move into this program without any problems, here the log files buffer_record.log.txt.
    Can I ask you why do you would to investigate into this program? Just to inform you, the programs in this robot are used in otherwithout problem.

  • kwakisaki
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    • December 2, 2024 at 6:20 PM
    • #15
    Quote from mattia

    Can I ask you why do you would to investigate into this program?

    Because that is the point of your reported error (if you care to look at it) and something afterwards is causing the CPU crash.
    The fact you cannot do LIST buffer_record is also a clue to potentially where the issue lies.

    What happens if you comment out step 21 and step 22 of buffer_record program.
    - Does it let you without errors.
    - What happens afterwards if you do LIST buffer_record

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • December 3, 2024 at 3:27 PM
    • #16

    Hello, thanks for the explanation.
    I tried to modify that program and later i tried to use list but I still have error (here the test_edit_2.log.txt).
    If I good understood with list I can see all the programs but when I try to see the location point every time I have error in the array "spray_dist_prg". Looking previous log it seems index isn't all the time the same, but maybe it depends on the number of the items showed in the same page.

    About buffer record error in one screen I think that's happens because when I have that error the only way to reset it it's to restart controller, so I think all pc programs were crashed during restart. Could be?

  • kwakisaki
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    • December 3, 2024 at 4:41 PM
    • #17

    What happens if you comment out step 29, 32, 35 and 38 of buffer_record program.
    - Does it let you without errors.
    - What happens afterwards if you do LIST buffer_record?

    What happens if you also comment out step 55 of fill_buffer program.
    - Does it let you without errors.
    - What happens afterwards if you do LIST fill_buffer?

    What happens if you do LIST/R bufferindex?

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • December 3, 2024 at 6:15 PM
    • #18

    I tried to comment all lines with CALL in buffer_record program. If i do LIST buffer_record I just have CPU error.

    I tried to comment step 55 of fill_buffer, here I can do LIST fill_buffer without any problems.

    If I do LIST/R bufferindex i have 0 as real value.

    I was thinking the problem was related to show spray_dist_prg values, but cpu error on list buffer_record make me confused.

    Log file is here: List_nocall.log.txt

  • kwakisaki
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    • December 3, 2024 at 6:52 PM
    • #19

    OK.
    Please abort all PC Tasks before carrying out LIST commands.

    Then try:

    What happens if you comment out step 29, 32, 35, 38 and 46 of buffer_record program.
    - What happens afterwards if you do LIST buffer_record?

    What happens if you remove comment on step 55 of fill_buffer program and do LIST fill_buffer?

    View my channel at Industrial Robotics Consultancy Limited - YouTube

  • mattia
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    • December 4, 2024 at 9:09 AM
    • #20

    I closed every PC programs opened, then I tried to comment also s46 in buffer_record and I can list everything without problem. Different situation is after removing comment on s55 in fill_buffer. In this program I just get CPU error.


    test_nopc.log.txt

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