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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

07/19/19

Message Overview:

AFT XFER FAULT
(Advisory)

DDG Reference: None
Pilot Action (QRH): ADVISORY 8-4
System Description: 28-22-00
Schematic Diagram: 28-22-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 28-22-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

When the conditions that follow occur and aircraft is not in a take-off or landing mode:

  • AFT XFER switch on the FUEL control panel is set to ON or to AUTO and the aft transfer is commanded on.
  • Left or right aft transfer pump pressure indication is low.

OR

  • AFT XFER switch on the FUEL control panel is set to ON or to AUTO and the aft transfer is commanded on.
  • Left or right aft transfer shut-off valve indication is closed.

OR

  • AFT XFER switch on the FUEL control panel is set to OFF or to AUTO and the aft transfer is commanded off.
  • Left or right aft transfer shut-off valve indication is open.

Possible Causes:

  • Aft Transfer-Pump
  • Aft Transfer-Pump Pressure-Switch
  • Aft Transfer Shut-off Valve
  • FUEL Control Panel
  • ACPC/SPDA/EMS
  • Fuel Management and Quantity Gauging Computer (FMQGC)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick links:

Removal of the Aft Transfer Pumps AMM 28-22-25-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Aft Transfer Pumps AMM 28-22-25-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Aft Transfer-Pump Pressure-Switches AMM 28-22-29-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Aft Transfer-Pump Pressure-Switches AMM 28-22-29-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Aft Transfer Shutoff-Valves AMM 28-22-33-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Aft Transfer Shutoff-Valves AMM 28-22-33-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Fuel Management and Quantity Gauging Computer (FMQGC) AMM 28-41-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Fuel Management and Quantity Gauging Computer (FMQGC) AMM 28-41-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. If reporting LRU for this CAS message displayed in RED on the PMAT, select "No available CAIMS message" in the dropdown list.
  2. If no associated ACTIVE FAULT is displayed on the PMAT, select "No available CAIMS message" in the dropdown list.
  3. Select related CAIMS message below:

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