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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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08/28/19

Message Overview:

Fault Message:

LGECU A/WRG/MADC (IAS < 50 KTS)

Fault Code:

3230199EL

Associated CAS:

None

Reporting LRU: Landing Gear Electronic Control Unit (LGECU)
System Description: 32-31-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

Internal or external failure can cause fault. Micro Air Data Computer (MADC) gives low-current, round/open-circuit input to Landing Gear Electronic Control Unit (LGECU) (Input Z must be 100 kohms for open-circuit).

External failure caused by:

  • Damaged wiring/defective connection (100 Ohms < IN)

Possible Causes:

  • Landing Gear Electronic Control Unit (LGECU) (A52)
  • Integrated Avionics Computer (IAC) 1 (A11)
  • Integrated Avionics Computer (IAC) 2 (A10)
  • Integrated Avionics Computer (IAC) 3 (A12)
  • Micro Air Data Computer (MADC) 1 (A27)
  • Micro Air Data Computer (MADC) 2 (A28)
  • Micro Air Data Computer (MADC) 3 (A29)

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