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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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03/12/21

Message Overview:

Message Name:

AV BATT THERMISTOR B FAILED

Message Code:

2460482DCP

Associated CAS:

ELEC SYS FAULT
(Advisory)

Reporting LRU: DC Power Center (DCPC)
System Description: 24-32-00
Schematic Diagram: 24-32-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
24-61-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-32-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
24-61-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Avionics Battery temperature out of range detected by the DC Power Center (DCPC) DC Power Quality Monitor (DCPQM) Card 2.

Possible Causes:

  • Avionics Battery (AV BATT) (A182)
  • DC Power Quality Monitor (DCPQM) Card 2
  • DC Power Center (DCPC) (A63)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Avionics Battery AMM 24-32-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Avionics Battery AMM 24-32-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
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) DC Power Quality Monitor AMM 24-61-13-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the DC Power Center (DCPC) DC Power Quality Monitor AMM 24-61-13-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Swap DCPQM 2 with DCPQM 1. (select DC synoptic page to monitor AV battery temperature)

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

  2. Remove the DCPQM 2 and disconnect avionic battery connector A182P1. Perform a continuity check as follows:

    From To Result
    A182P1-M Ground
    A182P1-a Ground

    1. If there is continuity, go to step 4.
    2. If there is no continuity, continue with next step.

  3. Replace avionic battery.

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

  4. Disconnect DCPC connector A63P2. Perform continuity check as follows:

    From To Result
    A63P2-R Ground
    A63P2-g Ground

    1. If there is no continuity, go to step 6.
    2. If there is continuity, continue with next step.

  5. Perform continuity check between avionics battery and DCPC as follows:

    From To Result
    A182P1-M A63P2-R
    A182P1-a A63P2-g

    1. If there is continuity, continue with next step.
    2. If there is no continuity, repair the defective wiring as required and do close out.

  6. Replace the DCPC.
  7. Do close out.

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