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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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06/28/19

Message Overview:

Fault Message:

ACPC EXT PWR QUALITY MON-A11 FAILED

Fault Code:

2451301ACP

Associated CAS:

ELEC SYS FAULT
(Advisory)

Reporting LRU: AC Power Center (ACPC)
System Description: 24-50-00
Schematic Diagram: 24-51-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-51-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

AC Power Center (ACPC) External Power Quality Monitor Card has failed the continuous Built-In Test.

Possible Causes:

  • AC Power Center (ACPC) External Power Quality Monitor (EPQM)
  • AC Power Center (ACPC) (A54)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the AC Power Center (ACPC) AMM 24-51-00-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the AC Power Center (ACPC) AMM 24-51-00-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the AC Power Center (ACPC) AC
External-Power Quality Monitor		 AMM 24-51-21-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the AC Power Center (ACPC) AC
External-Power Quality Monitor		 AMM 24-51-21-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Do a complete aircraft power reset. Is the fault still present?

    1. If NO, monitor for failure and do close out.
    2. If YES, continue with next step.

  2. Access the ACPC logic assembly. Remove the EPQM card. Inspect the cards connectors and the motherboard connector. Look for any bent, damaged or degraded contacts.

    1. If contacts are found damaged, replace defective component (ACPC or EPQM card) and do close out.
    2. If all contacts are good, continue with next step.

  3. Carefully reinstall the EPQM card properly. Is the fault still present?

    1. If NO, do close out.
    2. If YES, continue with next step.

  4. Replace EPQM card. Is the fault still present?

    1. If NO, do close out.
    2. If YES, continue with next step.

  5. Replace ACPC.
  6. Do close out.

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