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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

07/01/19

Message Overview:

Fault Message:

INCORRECT EMS CDU

Fault Code:

2470113CDU

Associated CAS:

ELEC SYS FAIL
(Caution)

Reporting LRU: Electrical Management System Control Display Unit (EMS CDU)
System Description: None
Schematic Diagram: 24-70-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 24-70-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Electrical Management System Control and Display Unit (EMS CDU) has detected an incorrect software configuration.

Possible Causes:

  • Electrical Management System Control and Display Unit (EMS CDU) 1 (A94)
  • Electrical Management System Control and Display Unit (EMS CDU) 2 (A91)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Electrical Management System Control-and-Display Units (EMS CDU) AMM 24-70-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Electrical Management System Control-and-Display Units (EMS CDU) AMM 24-70-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Determine the electrical system aircraft configuration software.
  2. Make sure both EMS CDU connector P2 Pins 53, 54 and 55 are strapped per the following table. Repair as required.

    1. Opened=wire not connected to aircraft structure.
    2. Closed=wire connected to aircraft structure.

    EMS CDU connector P2 Pin #
    Software 53 54 55
    Build 4 Opened Opened Opened
    Build 4 NP Grounded Opened Opened
    Build 6 Opened Grounded Opened

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

  3. Replace defective EMS CDU.
  4. Do close out.

    Pin # Signal Description Amps I/O Characteristics
    J2-53 1 Aircraft Configuration 0 Discrete signal for load control 10 mA I GND/OPEN Build 4.0 software Normal mode=J53-Unused J54-Unused Extended Function mode=J53-Unused J54-Unused Build 4NP software Build 4NP=J53-Gnd Post Build 4NP software Build 4.0 mode=J53-Open J54-Open J55-Open Build 4.0 NP mode=J53-Gnd J54-Open J55-Open Build 6.0 mode=J53-Open J54-Gnd J55-Open All other combinations are invalid. (CR 2378)
    J2-54 2 Aircraft Configuration1 Discrete signal for load control 10 mA I
    J2-55 3 Aircraft Configuration2 Discrete signal for load control 10 mA I

NOTE:

  1. This signal is named "EXTEND FUNC MODE 1" in Build 4.0 software. It is "Global 5000 Aircraft Configuration" in Build 4NP software.
  2. This signal is named "EXTEND FUNC MODE 2" in Build 4.0 software. It is a spare in Build 4NP.
  3. This signal is a spare in Build 4.0 and Build 4NP.

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