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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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07/17/19

Message Overview:

Fault Message:

CTR REFUEL/DEFUEL SOV SOLENOID/WRG

Fault Code:

2844640PK

Associated CAS:

None

Reporting LRU: Fuel Management and Quantity Gauging Computer (FMQGC)
System Description: 28-23-00
Schematic Diagram: 28-23-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 28-23-03 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

There is no power to the Center Refuel Valve from the Fuel Management Quantity and Gauging Computer (FMQGC).

Possible Causes:

  • Junction Box (JB6)
  • Fuel Management and Quantity Gauging Computer (FMQGC) (A47)
  • 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 ]
Removal of the Junction Box JB6 AMM 24-00-13-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Junction Box JB6 AMM 24-00-13-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Operational Test of the Refuel/Defuel System AMM 28-23-00-710-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Computer AMM 28-41-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Computer AMM 28-41-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Access to System Diagnostics AMM 45-45-00-970-804 [ 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. Remove the FMQGC and JB6. Perform a continuity check between the pins of the connectors that follows:
    NOTE: Please note that Junction Box (JB) test points can be used to avoid removing the JB and the long return to service (See WM 28-23-00 sheet 3).

    From To Result
    JB6EP1-32 A47FP1-22
    JB6EP1-33 A47CP1-A3

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

  2. Perform a continuity check as follows:

    From To Result
    JB6EP1-32 Ground
    JB6EP1-33 Ground

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

  3. Replace the junction box JB6.

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

  4. Rerack the FMQGC making sure it is fully and properly inserted into place. Is the fault still present?

    1. If NO, do close out.
    2. If YES, continue with next step.

  5. Replace the FMQGC.
  6. Do close out.

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