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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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02/16/21

Message Overview:

Message Name:

ACSC1 [NO DATA FROM CH B TO CH A]

Message Code:

2161316ECS

Associated CAS:

L PACK FAULT
(Advisory)

Reporting LRU: Air-Conditioning System Controller (ACSC) 1
System Description: 21-60-00
Schematic Diagram: 21-60-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 21-60-03 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Loss of communication between the cards in Air-Conditioning System Controller (ACSC) 1.

Possible Causes:

  • Air-Conditioning System Controller (ACSC) 1 (A87)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-21-0160 - "PACK FAULT" CAS message while CAIMS / OMS is active (Global Express - 9002 to 9153 and G5000 - 9127 to 9411, 9417 to 9431, 9998 and Global Express XRS - 9159 to 9429)
  • AW700-45-0065 - CAIMS Nuisance Fault Messages (Global Express - 9002 to 9153 and G5000 - 9127 to 9411, 9417 to 9431,9998 and Global Express XRS - 9159 to 9429)

Forum Articles/Infoservice/Newsletter:

Quick Links:

Removal of the Air-Conditioning System Controllers AMM 21-60-21-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Air-Conditioning System Controllers AMM 21-60-21-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Turn CAIMS ACTIVE "off" (no Black Dot) in View/Environment menu, Red screen in cockpit should extinguish.
  2. Wait a few minutes for systems to stabilize.
  3. Refresh CAIMS Active Faults Screen. Is message clear?

    1. If NO, go to step 5.
    2. If YES, continue with the next step.

  4. Perform advisory wire AW700-21-0160 - "PACK FAULT" CAS Message While CAIMS is Active. Is fault message clear?

    1. If YES, do close out.
    2. If NO, continue with the next step.

  5. Replace ACSC 1.
  6. Do close out.

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