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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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For AOG assistance contact:

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Quick Links

07/25/19

Message Overview:

Fault Message:

BC FAULT

Fault Code:

3141048DAU

Associated CAS:

None

Reporting LRU: Data Acquisition Unit (DAU) 1
System Description: 31-40-00
Schematic Diagram: 31-42-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
31-44-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 31-42-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
31-44-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

The Data Acquisition Unit (DAU) 1 senses a bus control malfunction for the Avionics Standard Communications Bus (ASCB) System.

Possible Causes:

  • Bus Controller
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Connect Electrical Power to the Aircraft AMM 24-00-00-861-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Remove the Electrical Power from the Aircraft AMM 24-00-00-861-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Electrical/Electronic Safety Precautions AMM 24-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Stored Faults AMM 45-45-00-970-803 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to System Diagnostics AMM 45-45-00-970-804 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Integrated Maintenance Test (IMT) Fault Code Look-Up AMM 45-45-00-970-826 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Safety Precautions - Maintenance Practices - ALL SPM 20-00-01-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Access CAIMS Systems Diagnostics and perform the ASCB System TEST, IAC EDS/Core Test.
  2. After each IMT test is completed, record the active IMT code from the TEST RESULTS page.
  3. Perform the Intergrated Maintenance Test (IMT) fault code look-up procedure to find the applicable troubleshooting procedures.
  4. Do close out.

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