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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

07/13/19

Message Overview:

Fault Message:

LH WING XFER SOV OP ELECT PWR/WRG

Fault Code:

284462DPK

Associated CAS:

-> FUEL XFER FAIL
(Caution)

Reporting LRU: Fuel Management and Quantity Gauging Computer (FMQGC)
System Description: 28-22-00
Schematic Diagram: 28-21-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 28-21-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

L WING XFR VALVE OPEN LMS/WRG FAULT shows on the Central Aircraft Information Maintenance System (CAIMS) Portable Maintenance Access Terminal (PMAT) when the conditions that follow occur:

  • The WING XFER Switch on the FUEL Control Panel is set to <- with one of the engines on
  • The Left Wing-Transfer Shut-Off Valve indication is closed
  • The Electrical Management System (EMS)/Secondary Power Distribution Assembly (SPDA) or interface wiring has failed

or

  • The WING XFER Switch is set to AUTO with the Left to Right transfer command on
  • The Left Wing-Transfer Shut-Off Valve indication is closed
  • The EMS/SPDA or interface wiring has failed

Possible Causes:

  • Secondary-Power Distribution Assembly (SPDA) 2 (A14)
  • Electrical Management System-Control and Display Unit (EMS CDU) 1 (A94)
  • Electrical Management System-Control and Display Unit (EMS CDU) 2 (A91)
  • 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 Active Faults AMM 45-45-00-970-802 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform the troubleshooting for LH WING XFER SOV/WRG.

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