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(WARNING)
RED MESSAGE (CAUTION)
AMBER MESSAGE (ADVISORY)
CYAN MESSAGE (STATUS)
WHITE MESSAGE Require immediate crew attention. These messages are accompanied by flashing master warning, triple chime attenson with or without voice message or dedicated tone. Require immediate crew awareness and future crew action may be required in the form of alternate system selection or performance limitation. These message are accompanied by flashing master caution and a single chime. Indicate safe or normal system operation which require crew awareness, over and above the dark cockpit philosophy. Indicate minor failures or reduction in systems capability, which require no crew action.

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Quick Links

07/01/19

Message Overview:

Fault Message:

DCPC TLC1-TTC1 CONTACTOR-K1 PWR UP

Fault Code:

2463010DCP

Associated CAS:

ELEC SYS FAIL
(Caution)

Reporting LRU: DC Power Center (DCPC)
System Description: 24-60-00
Schematic Diagram: 24-61-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-61-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

DC Power Center (DCPC) power on test will exercise one time the Transformer Rectifier Unit (TRU) Transfer Contactor (TTC) 1 side (K1) and compare the status with the commanded state. If they match the Contactor K1 is functional.

Possible Causes:

  • DC Power Center (DCPC) Contactor (K1)
  • DC Power Center (DCPC) Motherboard
  • DC Power Center (DCPC) (A63)
  • Electromagnetic Interference (EMI) Filter
  • Electronic Module (EM1)
  • Primary Logic Card (PLC) 1
  • Primary Logic Card (PLC) 2
  • Primary Logic Card (PLC) 3
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the DC Power Center (DCPC) AMM 24-61-00-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the DC Power Center (DCPC) AMM 24-61-00-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the DC Power Center (DCPC) Primary Logic AMM 24-61-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the DC Power Center (DCPC) Primary Logic AMM 24-61-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the DC Power Center (DCPC) L-Series Contactor AMM 24-61-53-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the DC Power Center (DCPC) L-Series Contactor AMM 24-61-53-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the DC Power Center (DCPC) Electronic Modules AMM 24-61-65-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the DC Power Center (DCPC) Electronic Modules AMM 24-61-65-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Get access to the DCPC contactor K1.
  2. Disconnect contactor K1 connector P104.
  3. In the cockpit, turn the BATT MSTR SW to ON.
  4. Perform a check for 28 VDC as follows:

    From To Result
    P104-1 Ground
    P104-2 Ground

    1. If there is no 28 VDC, go to step 14.
    2. If there is 28 VDC, continue with next step.

  5. Perform a wiring checks between AC Battery bus to EMI.

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  6. In the cockpit, turn the BATT MSTR SW to OFF.
  7. Perform a continuity check between K1 and ground as follows:

    From To Result
    P104-5 Ground
    P104-7 Ground

    1. If there is no continuity, go to step 14.
    2. If there is continuity, continue with next step.

  8. Remove PLC 1, PLC 2 and PLC 3.
  9. Perform a continuity check with the connections that follows:

    From To Result
    P104-6 Ground
    P104-8 Ground
    P104-22 Ground
    P104-3 Ground

    1. If there is continuity, go to step 14.
    2. If there is no continuity, continue with next step.

  10. Replace contactor K1.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  11. Re-install PLC 2 and PLC 3.

    1. If system checks are good, replace PLC 1 and do close out.
    2. If fault remains, continue with next step.

  12. Replace PLC 2.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  13. Replace PLC 3.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  14. Replace DCPC.
  15. Do close out.

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