Help with Man Roland 505 2007

Replace the board in the photo with the same one from some PU. The last one on the right in A358
We did this, but the issue still remains, and the machine won't start and panels are like this:
 

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I suspect that the card in the A358 is defective. If you replace it, we will understand by the change of error messages. You need to buy a new one. or repair the defective one.
It is also possible that there is a defect in the security processor board. There it is necessary to reprogram the new card and address it. It will not be possible without the intervention of a trained service specialist.
 
  • We did this, but the issue still remains, and the machine won't start and panels are like this:
    This is normal until the boot process is complete. Yours does not pass the safety bus check. Please take a picture of the error screen and the diagnostic module every time.
     
    I suspect that the card in the A358 is defective. If you replace it, we will understand by the change of error messages. You need to buy a new one. or repair the defective one.
    It is also possible that there is a defect in the security processor board. There it is necessary to reprogram the new card and address it. It will not be possible without the intervention of a trained service specialist.
    We have a new board with this part number in the printing house, and we have already replaced it, but it didn’t produce any significant results.
     
    All the errors are similar to the ones I sent in the previous chats, and the diagnostic module pattern hasn’t changed.

    Do you have any doubts about the safety relay boards?

    Occasionally, the machine starts up, but after a few minutes, the control buttons stop working again.
    We’ve had errors related to the safety relays a few times before as well.
     
    Safety relays are something completely different from safety bus. They work after the boot phase is completed. Photo of the errors. I can't understand from written explanations.. Check the LEDs on this board in all PUs. You don't have a problem with the module processor. Somewhere the safety circuit is damaged. Photos!
    Check how the two flat cables on the board are connected. left is 1, right-2
     
    Safety relays are something completely different from safety bus. They work after the boot phase is completed. Photo of the errors. I can't understand from written explanations.. Check the LEDs on this board in all PUs. You don't have a problem with the module processor. Somewhere the safety circuit is damaged. Photos!
    Check how the two flat cables on the board are connected. left is 1, right-2

    Is it normal that the machine occasionally passes the boot phase and starts up, but then loses access again afterward?

    I will take photos of all the steps today and send them.
     
    Safety relays are something completely different from safety bus. They work after the boot phase is completed. Photo of the errors. I can't understand from written explanations.. Check the LEDs on this board in all PUs. You don't have a problem with the module processor. Somewhere the safety circuit is damaged. Photos!
    Check how the two flat cables on the board are connected. left is 1, right-2
    IMG_3014.jpeg
     
    The second board in A358 has an additional port for connecting the diagnostic module, which the PU boards do not have.
    Which board’s LEDs in the PUs should I take pictures of and send?
     
    The second board on the A358 is diagnostic for the safety bus. On the PU, look at the diode on the last board on the right. On all PUs it should be the same. 0.6sec on, 0.6sec off.
    On the in-out board, only the green diode should flash 0.6sec on, 0.6sec off. On all endbus boards, it should read "5"
    Make a movie of the diagnostic module, А358, during boot.
     
    The second board on the A358 is diagnostic for the safety bus. On the PU, look at the diode on the last board on the right. On all PUs it should be the same. 0.6sec on, 0.6sec off.
    On the in-out board, only the green diode should flash 0.6sec on, 0.6sec off. On all endbus boards, it should read "5"
    Make a movie of the diagnostic module during boot.
    The diode turns on and off 4 times at the same intervals you mentioned, but then it pauses for about two seconds and turns off. After that, it activates again.

    The pattern for all units are the same.
     
    I asked if the boards were changed from one place to another. If so, which ones and where.
    Did the machine work normally before or is this a new installation?
     
    I asked if the boards were changed from one place to another. If so, which ones and where.
    Did the machine work normally before or is this a new installation?
    No, we haven’t changed the machine’s boards with each other.


    The machine was installed about 4 months ago, and we have printed over 200,000 sheets with it. This issue happened once during operation, and after that, it stopped working.
     
    Check SUB CAN on EA A353
    I'm sorry for the wasted time. I didn't look carefully at the diagnosis photo.
     
    The diagnosis says> Address 27 is defective. A358 Slot.3. dep Serie EA A353. SUB CAN
     
    Sorry, but what we have on the monitor is about boot phase 29.


    I don’t understand what you mean by address 27. I’d appreciate it if you could clarify.
    Is this evident from the diagnostic module?
     
    The diagnosis says> Address 27 is defective. A358 Slot.3. dep Serie EA A353. SUB CAN
    We previously had a new board of the same type as board number 3 in A358 at the printing house, and we replaced it with this board, but there was no difference in the result.
     
  • The diagnosis says> Address 27 is defective. A358 Slot.3. dep Serie EA A353. SUB CAN
    I just noticed something. After replacing the boards you mentioned, which we did yesterday, the pattern that appeared on the diagnostic module changed.


    The picture I’m sending is the new one.
     

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