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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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CRC Montreal (YUL)
Quick Links

07/08/19

Message Overview:

HIGH PRESS RATE
(Status)

DDG Reference: None
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 cabin pressure rate is not set to HIGH on the PRESSURIZATION control panel.

Possible Causes:

  • RATE Toggle Switch
  • PRESSURIZATION Control Panel (AP9)
  • 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 ]
Wire Repair SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Perform wiring checks between PRESSURIZATION Control Panel and CPCs or a short circuit to ground.

    AP9P1 (PRESSURIZATION PANEL) A21P1 (CABIN PRESSURE
    CONTROLLER 1)
    pin 36 pin 26
    AP9P1 (PRESSURIZATION PANEL) A22P1 (CABIN PRESSURE
    CONTROLLER 2)
    pin 13 pin 26

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

  2. Replace PRESSURIZATION Control Panel.
  3. Do close out.

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