background
x
loader
Troubleshooting
arrow By ATA By Message Color By Observed Faults By CAIMS By Tips

Select color for CAS message that you wish to troubleshoot

(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.

This page includes :

For AOG assistance contact:

CRC Montreal (YUL)
Quick Links

08/26/19

Message Overview:

Fault Message:

APUGCU/WRG/LGECU A (MLG WOW IND)

Fault Code:

3230155EL

Associated CAS:

None

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

Fault Description:

External fault usually caused by:

  • Damaged/defective wiring
  • Too much load current
  • Load not connected
  • Load has open-circuit
  • Load has short-circuit to ground

Fault related to more than one load and other fault messages:

  • DAU 3/WRG/LGE

Possible Causes:

  • Landing Gear Electronic Control Unit (LG ECU) (A52)
  • Data Acquisition Unit (DAU) 3 (A30)
  • Auxiliary Power Unit Generator Control Unit (APU GCU) (A109)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

None

Troubleshooting Recommendations:

None

Registered and/or unregistered trademarks of Bombardier Inc. or its subsidiaries. © 2015 Bombardier Inc. All rights reserved.