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PX40 IM error | Data Center & Facility 3 Phase UPS

PX40 IM error

Discussion in Data Center & Facility 3 Phase UPS started by terrence , 3/24/2017 2:33 AM
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PX40 IM error

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  • terrence

    Good Day, 

    I client is getting message saying

    03/17/2017 09:05:12 UPS: An Internal communication bus fault no longer
    exists.
    03/17/2017 09:05:12 UPS: The main intelligence module is now in control.
    03/17/2017 09:05:12 UPS: A main intelligence module fault no longer
    exists.
    03/17/2017 09:04:56 UPS: An Internal communication bus fault exists.
    03/17/2017 09:04:56 UPS: The redundant intelligence module is in
    control.
    03/17/2017 09:04:56 UPS: A main intelligence module fault exists.

    But the intelligence was replaced and the error continues, the IM logs states

    0100D48F IM D Comm. failure on external CAN bus     17/03/21 19:48:50   000
    0100A41E IM A IM has control when activated             17/03/21 19:48:50   000
    0100D39E IM D Surv. error found, hearbeat is stopped 17/03/21 19:48:50   000
    0100A48F IM A Comm. failure on external CAN bus      17/03/21 19:48:50   529
    0100D41E IM D IM has control when activated             17/03/21 19:48:50   529
    0100A39E IM A Surv. error found, hearbeat is stopped  17/03/21 19:48:50   529
    0100D48F IM D Comm. failure on external CAN bus       17/03/21 11:28:46  000
    0100A41E IM A IM has control when activated              17/03/21 11:28:46   000
    0100D39E IM D Surv. error found, hearbeat is stopped  17/03/21 11:28:46   000
    0100A48F IM A Comm. failure on external CAN bus       17/03/21 11:28:46   488
    0100D41E IM D IM has control when activated             17/03/21 11:28:46    488
    0100A39E IM A Surv. error found, hearbeat is stopped  17/03/21 11:28:46    488

    Can anyone assist as to what is happening.

  • wpasquil

    Hi,

    External CAN Bus:

    The External CAN Bus is the communication between the MIM/RIM and any XR Battery Frames. Any Battery Monitor Boards in the XR’s would also be on this bus.

    The first step in troubleshooting this problem would be to verify proper XR communication cabling. Make sure that there are two terminators installed in the circuit. The first and last ports in the chain should have a terminator (one in the UPS, one in the last XR cabinet)

    In the event that there is no XR frame present, both ports on the UPS XR Comm card should be terminated.

    The units are shipped with one terminator installed and a CAT5 cable connected to the second port on the XR Comm Card. Replace the cable with a terminator if no XR is present.

    If all cabling is correct then you must attempt to determine which card is the cause of the alarm.

    This could be the XR com card in the UPS or one of the battery cabinets, or any BMB’s in the Battery cabinets (it would not however be the BMB’s in the main UPS – that is on the internal can bus).

    I also recommend you contact local support. Local support will be knowledgeable about you specific unit and any local requirements. 

    Contact information for local support can be found at this link.

    http://www.apc.com/tt/en/support/contact-us/index.jsp

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