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

08/29/19

Message Overview:

Fault Message:

SPDA 4/WRG/LGECU A (28VDC PWR LOW)

Fault Code:

3230268EL

Associated CAS:

None

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

Fault Description:

External fault can occur if aircraft power (28 VDC BUS) is not equal to or greater than 20.5 VDC for more than 5 seconds.

Fault is usually caused by:

  • 28 VDC BUS PWR < 14.75 +/- 0.75 VDC
  • CKT BRKR OPEN OR DAMAGED
  • DAMAGED 28 VDC POWER BUS (WRG)

Possible Causes:

  • Landing Gear Electronic Control Unit (LGECU) (A52)
  • Secondary Power Distribution Assemblies (SPDA) 4 (A16)

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.