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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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08/21/19

Message Overview:

Fault Message:

DAU #3 [ANA CARD] FAULT

Fault Code:

3145053DAU

Associated CAS:

None

Reporting LRU: Data Acquisition Unit (DAU) 3
System Description: 31-40-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

With Data Acquisition Unit (DAU) 3 P/N 10604B01M05 or prior, there are two possible condition to this fault:

  • An RTD input is out of range on the HI side
  • The analog card has failed. With DAU 3 P/N 10604B02M07 or subsequent, the DAU 3 is reporting that its analog card has fail

Possible Causes:

  • Data Acquisition Unit (DAU) 3 (A30)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

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Troubleshooting Recommendations:

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