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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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08/19/19

Message Overview:

Fault Message:

DAU #1 [ASCB CARD] FAULT

Fault Code:

3141054DAU

Associated CAS:

None

Reporting LRU: Data Acquisition Unit (DAU) 1
System Description: 31-40-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

The Data Acquisition Unit (DAU) 1 is reporting that its Avionics Standard Communication Bus (ASCB) card is failed. Any ASCB processing activity may be affected by this fault. A DAU 1A or 1B fail CAS message should be present when this fault is active.

Possible Causes:

  • Data Acquisition Unit (DAU) 1 (A17)

Troubleshooting Tips:

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