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Error ""Active commands inhibited" operation is abnormal.

  • PhunxamLinda
  • January 8, 2025 at 4:34 AM
  • Thread is Unresolved
  • PhunxamLinda
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    • January 8, 2025 at 4:34 AM
    • #1

    Hello everyone. Please help me. My machine has an error "1376 Active commands inhibited", it works abnormally. That is, when I press the start button behind KCP in T1 mode, it says "1376 Active commands inhibited" but I can still move the Axes. Sometimes I can't move any axis. When I can't move, I have to restart in Coolstart mode. After starting in this mode, the axes can usually move (although the message "1376 Active commands inhibited" still appears on the screen), but it doesn't always move, sometimes it still doesn't work after restarting, forcing me to turn off the machine completely. S I R position (S is Green, I is Red).

    I see on the forum there is also content about this error, but still no one has solved it. I hope those who have experience can share how to fix this error to help me. Thank you very much.

    Images

    • 2.jpg
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    Edited once, last by PhunxamLinda (January 8, 2025 at 5:00 AM).

  • PhunxamLinda
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    • January 8, 2025 at 4:36 AM
    • #2

    In T1 mode it says "1376 Active commands inhibited" but the axes can still be moved. Sometimes no axes can be moved.

    Files

    6207709285415.mp4 2.49 MB – 11 Downloads
  • panic mode
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    • January 9, 2025 at 3:33 AM
    • #3

    my guess is that it is just the timing issue of when drive indicator comes on and when you press some key to move it...

    acknowledge all messages... press and hold enabling switch until drives are on (("I" is green in "S-I-R"), and then press the jog keys. if you still see the problem, something is not right. could be worn out switch or sticky safety relays...

    1) read pinned topic: READ FIRST...

    2) if you have an issue with robot, post question in the correct forum section... do NOT contact me directly

    3) read 1 and 2

  • PhunxamLinda
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    • January 9, 2025 at 2:16 PM
    • #4

    thank you in Panic Mode for replying to me. thank you very much for your help so far. when I press the trigger switch and press the move charges then (("I" is green in "SIR"), then the Robot can move. but when I do the same job but (("I" is red in "SIR") the Robot cannot move. The problem I have here is that the screen always shows the error "1376 Active commands inhibited", and I don't know when the Robot can move and when it is prohibited. because sometimes it works and sometimes it doesn't? I would love to be guided to remove it. When I turn on the machine, the error "Accu Voltage PM1 below 22 Volts during last bufering" always appears. I have ordered a 12V5AH Battery and am waiting for delivery to replace it. I wonder if the error "Accu Voltage PM1 below 22 Volts during last bufering" is one of the causes of error 1376?

  • panic mode
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    • January 9, 2025 at 2:53 PM
    • #5

    accu voltage has nothing to do with this. intermediate circuit is basically DC bus... it is what powers inverters... when drives are enabled bus voltage goes to some 600VDC. when drives are disabled, voltage drops down... this is not instant and it is one of things that robot checks for "ready to move". others include safety circuit state, etc. one of them is also delay from enabling switch.

    Quote from PhunxamLinda

    when I press the trigger switch and press the move charges then (("I" is green in "SIR"), then the Robot can move. but when I do the same job but (("I" is red in "SIR") the Robot cannot move.

    that is correct and expected behavior.

    Quote

    I don't know when the Robot can move and when it is prohibited.

    what do you mean by that...??? you just stated that it works when drives are on ( "I" is green). that was expected behavior.

    Quote

    The problem I have here is that the screen always shows the error "1376 Active commands inhibited"

    what do you mean by that? this message should disappear when acknowledged. are you sure you are acknowledging messages? maybe the KCP button is stuck...

    use blue button on the left to switch between windows until Message window is active. then the buttons will appear in the lower right corner (red highlight) to acknowledge single or all messages. part of working with KRC2 is to constantly go through this routine and keep acknowledging messages.

    The window that is active has same bluish/cian color like the button on the left. in image below, active window is the Robot position (has the cian frame)


    1) read pinned topic: READ FIRST...

    2) if you have an issue with robot, post question in the correct forum section... do NOT contact me directly

    3) read 1 and 2

  • PhunxamLinda
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    • January 9, 2025 at 3:52 PM
    • #6
    Quote from panic mode

    accu voltage has nothing to do with this. intermediate circuit is basically DC bus... it is what powers inverters... when drives are enabled bus voltage goes to some 600VDC. when drives are disabled, voltage drops down... this is not instant and it is one of things that robot checks for "ready to move". others include safety circuit state, etc. one of them is also delay from enabling switch.

    that is correct and expected behavior.

    what do you mean by that...??? you just stated that it works when drives are on ( "I" is green). that was expected behavior.

    what do you mean by that? this message should disappear when acknowledged. are you sure you are acknowledging messages? maybe the KCP button is stuck...

    use blue button on the left to switch between windows until Message window is active. then the buttons will appear in the lower right corner (red highlight) to acknowledge single or all messages. part of working with KRC2 is to constantly go through this routine and keep acknowledging messages.

    The window that is active has same bluish/cian color like the button on the left. in image below, active window is the Robot position (has the cian frame)


    Display More

    I mean, whether the Robot moves or not, it always shows the error "1376 Active commands inhibited" on the screen, it does not disappear when the robot moves. The only difference is that the green ("I") is moving, but the red one is not.
    Because the error "1376 Active commands inhibited" always appears on the screen, I cannot control when the robot is stopped, I only know when I see the green or red color.

  • Fubini
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    • January 9, 2025 at 4:05 PM
    • #7

    Not sure about this but could be related to using a KSS on a VKRC controller. VKCP does not support T2 mode but KSS software is prepared to use a different safety circuit for operation mode selection including T2 mode.

    My advice: Test with fitting VSS and look if error persists.

  • PhunxamLinda
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    • January 9, 2025 at 4:06 PM
    • #8
    Quote from panic mode

    what do you mean by that? this message should disappear when acknowledged. are you sure you are acknowledging messages? maybe the KCP button is stuck...

    Chính vì Tin nhắn này không gây biến mất khi tôi chuyển Robot nên tôi mới nói rằng không biết khi nào thì Robot có thể chuyển và khi nào không thể chuyển. khi Contactor trên KPS600 nó nhảy thì Robot có thể chuyển, nhưng không nhảy thì nó không thể chuyển.

  • panic mode
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    • January 9, 2025 at 4:08 PM
    • #9

    this message is displayed by KSS and removed by user.. that is YOU...

    so for messages to go away YOU must:

    1. navigate to message window (it will turn blue)
    2. press button "Ack All" or "Confirm All"

    ... unless there is a compatibility issue as mentioned by Fubini

    1) read pinned topic: READ FIRST...

    2) if you have an issue with robot, post question in the correct forum section... do NOT contact me directly

    3) read 1 and 2

  • PhunxamLinda
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    • January 9, 2025 at 4:26 PM
    • #10
    Quote from Fubini

    Not sure about this but could be related to using a KSS on a VKRC controller. VKCP does not support T2 mode but KSS software is prepared to use a different safety circuit for operation mode selection including T2 mode.

    My advice: Test with fitting VSS and look if error persists.

    thank you. do you mean change the KSS operating system to VSS? do you need to change and add any hardware details? the supplier in China sent me 2-3 Ghost images of different (V)KRC2ed05 controller systems, including V5.4 and V5.5. they said they used it normally and had no errors, but when they switched to my computer, they got errors, but after I tried V5.5, they reported DSE errors, so I had to go back to V5.4. Until now they still don't know how to handle it. before after Ghosting my computer system got DSE errors, they didn't know how to handle it, so they asked me to replace the DSE circuit. after I replaced the DSE circuit it didn't improve, they asked me to replace the MCF3 circuit. luckily I found the cause and solved it on this Forum (it's just missing the KRC2.bin file). Regarding the issue of using VSS instead of KSS, I have mentioned it to them, but they still insist that the KSS version they are using for (V)KRC on their machine is very stable.

  • PhunxamLinda
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    • January 9, 2025 at 4:30 PM
    • #11
    Quote from panic mode

    this message is displayed by KSS and removed by user.. that is YOU...

    so for messages to go away YOU must:

    1. navigate to message window (it will turn blue)
    2. press button "Ack All" or "Confirm All"

    ... unless there is a compatibility issue as mentioned by Fubini

    At first we suspected that this error was caused by my incorrect E1 axis configuration, however after I removed the external spindle configuration, it still appeared.

  • Fubini
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    • January 9, 2025 at 5:20 PM
    • #12
    Quote from PhunxamLinda

    do you mean change the KSS operating system to VSS?

    Yes. As already said in the other thread you are running a system that is not compliant to kuka specification so anything regarding failures caused by this is possible I do not care what your seller tells you. I have been a KUKA software developer in kuka headquarter R&D for kss and vss for more than 15 years so I think my experience outweighs your sellers. So at least test a specified use case and see if errors persists. Otherwise for your setup very little experience exists because its very exotic. In my opinion anything can happen. Especially considering your beginners level.

  • Fubini
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    • January 9, 2025 at 5:25 PM
    • #13
    Quote from PhunxamLinda

    KSS version they are using for (V)KRC on their machine is very stable.

    And by what means they are sure their system is the same as yours? There are many different versions in hard and software for VKRC//VSS and even more for KRC/KSS

  • PhunxamLinda
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    • January 10, 2025 at 2:00 AM
    • #14

    thank you very much

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