background
x
loader
Troubleshooting
arrow By ATA By Message Color By Observed Faults by MDCBy 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

03/30/21

Message Overview:

Message Name:

INSTALLED

Message Code:

B3-234610

Associated CAS:

None

Reporting LRU: DBU
System Description: 34-00-00
Schematic Diagram: None
Wiring Diagram: None

Message Description:

Prerequisite equation for DBU.

Possible Causes:

  • Data Base Unit 1 (DBU) (A191)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Fault Confirmation Procedure:

  1. Message# = 0
  2. Comp Id =
  3. {Term Definitions}

    1. OPT1-67 XX 360 NA EXCT CSU WD-07 XXXX-XXXT XXXX-XXXX 17: DBU 1 STRAP

Quick Links:

Removal of the Data Base Unit AMM 34-61-09-000-801
Installation of the Data Base Unit AMM 34-61-09-400-801
Standard Practices - Replace Wiring SPM 20-12-00-02
Standard Practices - Repair Wiring SPM 20-12-10-02

Troubleshooting Recommendations:

  1. Strapping

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