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(WARNING)
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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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07/19/19

Message Overview:

Fault Message:

TU1FWD FMQGS PROBE COMP/WRG FAULT

Fault Code:

28446XXPK

Associated CAS:

FUEL QTY DEGRADED
(Advisory)

Reporting LRU: Fuel Management and Quantity Gauging Computer (FMQGC)
System Description: 28-41-00
Schematic Diagram: 28-41-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 28-41-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

TU1FWD FMQGS PROBE COMP /WRG FAULT shows when the fuel-quantity:

  • Probe/compensator capacitance is out of range
  • Probe/compensator circuit is open
  • Probe/compensator circuit is shorted
  • Probe/compensator is contaminated
    • OR
  • The Fuel Management and Quantity Gauging Computer (FMQGC) automatic calibration test failed (Circuit Fault)

Possible Causes:

  • Fuel Management and Quantity Gauging Computer (FMQGC) (A47)
  • Fuel Quantity Probe with Compensator (C25)
  • Fuel Quantity Probe with Compensator (C28)
  • Associated Wiring

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