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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

08/06/19

Message Overview:

Fault Message:

DC1LO/WRG/DAU 1

Fault Code:

3141002DAU

Associated CAS:

None

Reporting LRU: Data Acquisition Unit (DAU) 1
System Description: 31-40-00
Schematic Diagram: 31-32-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 31-32-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

DAU is reporting that one of the following is at fault:

-DC VOLTAGE INPUT (See below for identification)

-DAU (INTERNAL FAILURE)

-WIRING BETWEEN DAU AND DC1LO

According to DAU POSITION DC1LO is used for:

DAU 1: HYD SYS #1 PRESSURE TRANSDUCER DAU

Possible Causes:

  • Hyd Sys #1 Pressure Transducer DAU
  • Data Acquisition Unit (DAU) 1 (A17)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • 700-31-020 - Modification - Flight Data Recording (FDR) System - Installation of the Force Transducer Units (FTU) and Activation of the Crew Force Measuring System (CFMS) 2002

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Electrical/Electronic Safety Precautions AMM 24-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Electrostatic Discharge Safety Precautions AMM 24-00-00-910-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Crew Force-Measurement System AMM 31-32-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Control Wheel Force-Transducer AMM 31-32-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Control Wheel Force-Transducer AMM 31-32-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Data Acquisition Units (DAU) AMM 31-42-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Data Acquisition Units (DAU) AMM 31-42-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Forward Equipment-Compartment Access-Panels
(131AL/132AR)		 AMM 52-45-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Forward Equipment-Compartment Access Panels
(131AL/132AR)		 AMM 52-45-05-400-801 [ 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. None

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