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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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02/26/25

Message Overview:

SAFETY VALVE OPEN
(Advisory)

DDG Reference: 21-31-00
Pilot Action (QRH): ENVR 06-20
System Description: 21-31-00 - Cabin Pressure Control System
Schematic Diagram: 21-31-00 [ Global Express ]  [ G5000 ]  [ Global XRS ] - Cabin-Pressure Control System
Wiring Diagram: 21-31-03 [ Global Express ]  [ G5000 ]  [ Global XRS ] - Cabin Pressure System - Sense And Control

Message Description:

T Safety Valve 1 or 2 is not fully closed.

Possible Causes:

  • Safety Valve 1 (L10)
  • Safety Valve 2 (L11)
  • Static Port Lines
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Full Throttle Blog/Forum Articles/Infoservice/Newsletter: None

Flight Operation Notifications Manual (FONM): None

NOTES

  • If this message is displayed in cruise above 41,000 ft and closes below 40,000 ft, inspect the safety valves static lines for proper installation or damage. The easiest way to inspect the lines is by accessing the aft equipment bay and looking forward, below the aft fuel tank.

Quick Links:

Standard Aircraft Configuration for Maintenance [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM12-00-00-867-801
Removal of the Cabin Pressure Controllers [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM21-31-01-000-801
Installation of the Cabin Pressure Controllers [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM21-31-01-400-801
Removal of the Safety Valves [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM21-31-09-000-801
Installation of the Safety Valves [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM21-31-09-400-801
Functional Test of the Safety Valves [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM21-31-09-720-801
Connect Electrical Power to the Aircraft [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM24-00-00-861-801
Remove the Electrical Power from the Aircraft [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM24-00-00-861-802
Access to Active Faults [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM45-45-00-970-802
Access to Stored Faults [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM45-45-00-970-803
Standard Aircraft Configuration for Maintenance [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM12-00-00-867-801
Aircraft Walkaround (for Maintenance) [ G5000 ]  [ Global Express ]  [ Global XRS ] AMM12-00-00-867-802

Troubleshooting Recommendations:

  1. Access CAIMS active or stored faults and select displayed message from menu below:
  2. Do close out.

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