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

09/05/19

Message Overview:

Fault Message:

WX RTA SCAN SWITCH OFF (34)

Fault Code:

3440021WX

Associated CAS:

None

Reporting LRU: Weather Radar System
System Description: 34-41-00
Schematic Diagram: 34-41-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 34-41-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

Scan is disabled via SCAN Switch on Weather Radar Transceiver (RTA). Amber FAIL legend and fault code 34 display in Multi-Function Display (MFD) status window.

Possible Causes:

  • Weather Radar Transceiver (RTA) (A125)
  • Scan Switch

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

The FAIL legend and fault codes show on the MFD status window only when the WXR system is in TST (Test) mode and an active fault has occurred.

Quick Links:

Removal of the Weather Radar Receiver/Transmitter AMM 34-41-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Weather Radar Receiver/Transmitter AMM 34-41-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Opening of the Nose Radome AMM 53-60-01-010-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Closing of the Nose Radome AMM 53-60-01-410-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Open the nose radome.
  2. Find the SCAN switch in the base of the WXR receiver/transmitter.
  3. Make sure that the SCAN switch is set to the ON position. If necessary, use a non-conductive tool to change the position of the switch.

    1. If system checks are good, do close out.
    2. If fault remains, continue with next step.

  4. Replace SCAN switch/RTA.
  5. Do close out.

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