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(WARNING)
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(CAUTION)
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(ADVISORY)
CYAN MESSAGE
(STATUS)
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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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07/08/19

Message Overview:

OUTFLOW VLV 2 CLSD
(Status)

DDG Reference: 21-62-09
Pilot Action (QRH): STATUS-1
System Description: 21-31-00
Schematic Diagram: 21-31-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 21-31-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

CAS message displayed when OUTFLOW VALVE 2 PBA is not pushed in.

Possible Causes:

  • OUTFLOW VALVE 2 Pushbutton (SDS5)
  • PRESSURIZATION Control Panel (AP9)
  • Data Acquisition Unit (DAU) 2 (A18)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the PRESSURIZATION Control Panel AMM 21-31-13-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the PRESSURIZATION Control Panel AMM 21-31-13-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Data Acquisition Units (DAU) AMM 31-42-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Data Acquisition Units (DAU) AMM 31-42-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. On the PRESSURIZATION control panel, make sure that the OUTFLOW VALVE 2 pushbutton switch is not pushed in.
  2. Swap PBAs.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  3. Swap DAUs.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  4. Perform wiring checks between DAU2 and PRESSURIZATION Control Panel or a short circuit to ground.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  5. Replace PRESSURIZATION Control Panel.
  6. Do close out.
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