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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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06/03/19

Message Overview:

Fault Message:

[CPC2] OUTFLOW VLV #2 DSBL CMD /WRG

Fault Code:

2138322ABG

Associated CAS:

None

Reporting LRU: Cabin Pressure Controller (CPC) 2
System Description: 21-31-00
Schematic Diagram: 21-31-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 21-31-04 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

A disagree has been detected between the "DISABLE CMD" discrete output sent by Cabin Pressure Controller (CPC) 2 to Outflow Valve (OFV) 2 and the feed back received from OFV 2 (ARINC 422).

Possible Causes:

  • AFT Outflow Valve (OFV) 2 (L9)
  • Cabin Pressure Controller (CPC) 2 (A22)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Outflow Valves AMM 21-31-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Outflow Valves AMM 21-31-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform wiring checks of the "DISABLE CMD" wire between CPC2 and OFV2.

    1. If wiring checks are good, continue with next step.
    2. If wiring checks are not good, repair defective associated wiring and do close out.

  2. Replace OFV 2.
  3. Do close out.

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