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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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07/01/21

Message Overview:

Message Name:

ON-BOARD DATA LOADER SYSTEM MALFUNCTION

Message Code: 346OBS008
Effectivity: All
System: Flight Management System
System Description: 34-60-00
Schematic Diagram: 34-62-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-62-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The LEDs on the front panel of the data loader come on to identify an internal malfunction.

Possible Causes:

  • Data Loader (A62)
  • 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 ]
Closing of Non-Thermal Circuit Breakers AMM 24-00-00-863-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Electrical/Electronic Safety Precautions AMM 24-00-00-910-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Secondary-Power Distribution Assemblies AMM 24-62-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Secondary-Power Distribution Assemblies AMM 24-62-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Secondary-Power Distribution Assembly 1 AMM 24-62-01-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Integrated Avionics Computers (IAC) AMM 31-41-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Integrated Avionics Computers (IAC) AMM 31-41-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Data Loader System AMM 34-62-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Data Loader AMM 34-62-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Data Loader AMM 34-62-01-400-801 [ 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. On the front panel of the data loader, push the POWER button. Make sure all three LEDs come on temporarily (two or three seconds).

    1. If none of the LEDs come on (the data loader does not have electrical power), go to step 3.
    2. If the LEDs come on, continue with next step.

  2. Check the indications shown on the front panel of data loader and do the applicable troubleshooting.

    STATUS OF LEDs (FRONT
    PANEL OF DATA LOADER)    		 INDICATION THAT SHOWS
    LEFT AUX RIGHT
    Off On On Internal malfunction of data loader
    On On Off
    On Off On
    Flash On On
    On On Flash
    On Flash On
    Flash On Off
    Flash Off On Not applicable
    Off On Flash
    On Off Flash
    On Flash Off
    Flash Flash Flash FLASH program is installed correctly
    On Off Off (Usual condition) Self-test is satisfactory

  3. Examine the data loader connector.

    1. If the connector is defective, install a new data loader and do close out.
    2. If the connector is not defective, continue with next step.

  4. Examine the harness connector.

    1. If the harness/connector is defective, replace the connector/repair harness and do close out.
    2. If the harness connector is not defective, continue with next step.

  5. Disconnect electrical connectors A62P1 from Data Loader, A11AP1 and A11DP1 from IAC 1, A10AP1 and A10DP1 from IAC 2 or A13P3 from SPDA 1. Perform a continuity check between the pins of the connectors as follows:
    For IAC 1:

    From To Result
    A62P1-H A11AP1-45
    A62P1-G A11AP1-46
    A62P1-T A11AP1-63
    A62P1-S A11AP1-64
    A62P1-K A11AP1-97
    A62P1-J A11AP1-98
    A62P1-SH (Shield) A11AP1-SH (Shield)
    A62P1-E A11DP1-4

    For IAC 2:

    From To Result
    A62P1-H A10AP1-45
    A62P1-G A10AP1-46
    A62P1-T A10AP1-63
    A62P1-S A10AP1-64
    A62P1-K A10AP1-97
    A62P1-J A10AP1-98
    A62P1-SH (Shield) A10AP1-SH
    A62P1-D A10DP1-4

    For SPDA 1:

    From To Result
    A62P1-C A13P3-K

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

  6. Reconnect SPDA 1. Apply power to the aircraft. Perform a voltage check as follows:

    From To Expected Result Result
    A62P1-C
    (Positive multimeter probe)    		 A62P1-B
    (Negative multimeter probe)    		 28 VDC

    1. If there is +28 VDC, go to step 8.
    2. If there is no +28 VDC, continue with next step.

  7. Perform the operational test of the SPDA 1 and check the wiring between the Dataloader and SPDA 1.

    1. If the wiring and/or power supply is defective, repair wiring and/or perform the troubleshooting of SPDA 1.
    2. If no defects are detected with the wiring and/or the SPDA, continue with next step.

  8. Replace data loader.
  9. Do close out.

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