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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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06/22/21

Message Overview:

Message Name:

THE PACK INLET TEMPERATURE SENSOR INDICATION ON THE PMAT IS OUT OF TOLERANCE COMPARED WITH AMBIENT TEMPERATURE

Identifier: 215OBS012
Effectivity: All
System: AIR CONDITIONING
ASSOCIATED CAS: None
System Description: 21-51-00
Schematic Diagram: 21-51-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: None

Message Description:

ACSC receives an incorrect temperature signal from a pack inlet temperature sensor.

Possible Causes:

  • Left pack inlet temperature sensor E23
  • Right pack inlet temperature sensor E29
  • Interface wiring between left pack inlet temperature sensor and Air-Conditioning System Controller (ACSC) 1
  • Interface wiring between right pack inlet temperature sensor and Air-Conditioning System Controller (ACSC) 2
  • Air-Conditioning System Controller (ACSC) 1
  • Air-Conditioning System Controller (ACSC) 2

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Notice To Operators (NTO): None

Flight Operation Notifications Manual (FONM): None

Troubleshooting Recommendations:

  1. Perform the following CAIMS troubleshooting:

  2. Do close out.

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