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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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03/08/21

Message Overview:

APU FIRE FAIL
(Caution)

DDG Reference: 26-12-01
Pilot Action (QRH): ABNORM 7-2
System Description: 26-12-00
Schematic Diagram: 26-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 26-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

There is a failure of the two fire detection loops from APU engine.

Possible Causes:

  • Fire Detection and Extinguishing (FIDEEX) Control Unit (CU)
  • Auxiliary Power Unit (APU) Loop A
  • Auxiliary Power Unit (APU) Loop B
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Notice To Operators (NTO): None

Flight Operation Notifications Manual (FONM): None

Quick Links:

Removal of the Fire Detection and Extinguishing (FIDEEX) Control Unit AMM 26-10-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Fire Detection and Extinguishing (FIDEEX) Control Unit AMM 26-10-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Eductor Sensing Elements AMM 26-12-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Eductor Sensing Elements AMM 26-12-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Hatch Sensing Elements AMM 26-12-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Hatch Sensing Elements AMM 26-12-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Strut Sensing Elements AMM 26-12-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Strut Sensing Elements AMM 26-12-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

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