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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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CRC Montreal (YUL)
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08/01/19

Message Overview:

Fault Message:

POTEX 2/WRG/DAU 4

Fault Code:

3147022DAU

Associated CAS:

None

Reporting LRU: Data Acquisition Unit (DAU) 4
System Description: 31-40-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

The associated Data Acquisition Unit (DAU) posts a CAIMS message for a discrete pin that is not used in the reported location.

Possible Causes:

None

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

NOTE: When UNUSED CAIMS message is reported, there is no requirement to replace the DAU. Operators should be aware however, that when the DAU is put in another location the failed discrete pin may be required for the new location of the DAU.

Quick Links:

None

Troubleshooting Recommendations:

None

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