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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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08/30/19

Message Overview:

Fault Message:

LGECU B/WRG/CONN A52BP1(PRGM PIN 1)

Fault Code:

3231171EL

Associated CAS:

None

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

Fault Description:

Fault is usually internal. Landing Gear Electronic Control Unit (LG ECU) supplies low current to program PIN. PIN has jumber-wire to GND or open connection. This sets discrete input condition to LGECU (Input Z must be < 100 Ohms for GND and > 100 KOhms for open-circuit). External failure causes are

Possible Causes:

  • Landing Gear Electronic Control Unit (LGECU) (A52)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

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Troubleshooting Recommendations:

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