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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

07/20/21

Message Overview:

Message Name:

BOTTLE 1 LOW PRESSURE /WRG

Message Code:

261002DWK

Associated CAS:

FIRE BTL1 LO PRESS
(Caution)

Reporting LRU: Fire Detection and Extinguishing Control Unit (FIDEEX CU)
System Description: 26-21-00
Schematic Diagram: 26-21-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 26-21-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

This message shows when Fire Detection and Extinguishing Control Unit (FIDEEX CU) detects a low pressure in the Fire Bottle 1 circuitry.

Possible Causes:

  • Fire Extinguisher (FIREX) Container 1
  • Fire Detection and Extinguishing Control Unit (FIDEEX CU) (A106)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: 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 Fire Extinguisher Containers AMM 26-21-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Fire Extinguisher Containers AMM 26-21-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Fire Extinguisher Container CMM 26-21-65 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Check the pressure gauge indication on the FIREX bottle.

    1. If gauge shows an indication of 250 ±25 psi (1724 ±172 Pa) or less, go to step 3.
    2. If not, continue with next step.

  2. Disconnect Fire Extinguisher Container connector A111P4 and FIDEEX control unit connector A106P1. Perform a continuity check as follows:

    From To Expected Result Result
    A111P4-3 Ground Open
    A111P4-2 Ground Open
    A111P4-3 A106P1-50 Continuity
    A111P4-2 A106P1-40 Continuity

    1. If wiring defects are found, repair defective associated wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  3. Replace the Fire Extinguisher Container. Is the fault still present?

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

  4. Replace the FIDEEX control unit.
  5. Do close out.

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