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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:

COMPRESSOR DISCHARGE TEMPERATURE SENSOR INDICATION ON PMAT IS OUT OF TOLERANCE COMPARED TO AMBIENT TEMPERATURE

Identifier: 215OBS007
Effectivity: All
System: Air Conditioning
Associated CAS: None
System Description: 21-52-00
Schematic Diagram: 21-52-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: None

Message Description:

ACSC receives an incorrect temperature signal from a compressor discharge temperature sensor.

Possible Causes:

  • Left Compressor Discharge Temperature Sensor (E25)
  • Right Compressor Discharge Temperature Sensor (E31)
  • Interface wiring between Left Compressor Discharge Temperature Sensor and Air-Conditioning System Controller (ACSC) 1
  • Interface wiring between Right Compressor Discharge 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

Quick Links:

Troubleshooting Recommendations:

  1. Perform the following CAIMS troubleshooting:

  2. Do close out.

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