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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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Quick Links

06/11/19

Message Overview:

Fault Message:

ACSC2 [CH A] LOCATION UNKNOWN /WRG

Fault Code:

2163315ECS

Associated CAS:

None

Reporting LRU: Air Conditioning System Controller (ACSC) 2
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 ]

Fault Description:

The Air Conditioning System Controller (ACSC) 2 is not able to determine its location (left and right hand) due to invalid pin programming.

Possible Causes:

  • Air Conditioning System Controller 2 (A88)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

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. Access and disconnect ACSC 2 connector A88P1. Perform a continuity check as follows:

    From To Expected result Result
    A88P1-31 Ground Continuity
    A87P1-32 Ground Open

    1. If wiring checks are not good, repair defective associated wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  2. Replace ACSC 2. You may swap ACSC 2 with ACSC 1 for faulty unit confirmation.
  3. Do close out.

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