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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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06/28/19

Message Overview:

Fault Message:

DCPC ETC CONTACTOR-K5 FAILED

Fault Code:

2460427DCP

Associated CAS:

ELEC SYS FAIL
(Caution)

Reporting LRU: DC Power Center (DCPC)
System Description: 24-31-00
Schematic Diagram: 24-61-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-61-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Primary Logic Cards have determined that the Emergency Tie Contactor (ETC) K5 status does not match its commanded state.

Possible Causes:

  • Emergency Tie Contactor (ETC) (K5)
  • DC Power Center (DCPC) Primary Logic Card (PLC) 1
  • DC Power Center (DCPC) Primary Logic Card (PLC) 2
  • DC Power Center (DCPC) Primary Logic Card (PLC) 3
  • DC Power Center (DCPC) (A63)
  • 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. Remove power from the A/C.
  2. Access DCPC ETC K5. Perform a continuity check on K5 as follows:

    From To Result
    K5-B1 K5-B2
    K5-7 K5-8

    1. If there is continuity, go to step 8.
    2. If there is no continuity, continue with next step.
      DCPC ETC CONTACTOR K5 FAIL

  3. Perform a continuity check as follows:

    From To Result
    K5-8 Ground
    K5-2 Ground
    K5-3 Ground

    1. If there is continuity, replace DCPC and do close out.
    2. If there is no continuity, continue with next step.

  4. Access the DCPC Logic assembly. Remove PLC 1, 2 and 3. Perform a continuity check between K5 and the PLCs as follows:

    From To Result
    K5-8 P110B-16
    K5-8 P210B-16
    K5-8 P310B-16
    K5-3 P110C-30
    K5-3 P210C-30
    K5-3 P310C-30
    K5-7 Ground

    1. If there is no continuity, replace DCPC and do close out.
    2. If there is continuity, continue with next step.

  5. Reconnect any component that was disconnected during troubleshooting. Reinstall PLC 2 and PLC 3 only, leaving PLC 1 removed. Apply power to the A/C. Is the fault still present?

    1. If NO, replace the PLC 1 and do close out.
    2. If YES, continue with next step.

  6. Remove power from the A/C. Remove PLC 2 and reinstall PLC 1. Apply power to the A/C. Is the fault still present?

    1. If NO, replace the PLC 2 and do close out.
    2. If YES, continue with next step.

  7. Remove power from the A/C. Remove PLC 3 and reinstall PLC 2. Apply power to the A/C. Is the fault still present?

    1. If NO, replace the PLC 3 and do close out.
    2. If YES, continue with next step.

  8. Replace K5.
  9. Do close out.

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