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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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04/16/25

Message Overview:

Message Name:

NWS FAULT 12-SELECT [SHOW DETAIL]

Message Code:

3250042DWY

Associated CAS:

NOSE STEER FAIL
(Caution)

Reporting LRU: Steering Control Unit (SCU)
System Description: 32-51-00 - Nosewheel-steering Control System
Schematic Diagram: 32-51-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 32-51-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

Fault description will vary depending on what model P/N of Steering Control Unit is installed. Please follow instructions in the 'Troubleshooting Recommendations'.

Possible Causes:

  • Refer to the CAIMS Faults listed in the Troubleshooting Recommendations.

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

  • AW700-32-0280 - Nose Wheel Steering - Troubleshooting SCU GW415-8100-3

Full Throttle Blog/Forum Articles/Infoservice/Newsletter: None

Flight Operation Notifications Manual (FONM): None

NOTES:

  • The Fault annunciation window in front of the Steering Control Unit (SCU) may be used to identify which part of the system failed.

Quick Links:

Rigging of the Nosewheel-Steering Control System (Recommended Procedure) AMM 32-51-00-820-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Rigging Check of the Nosewheel-Steering Control System AMM 32-51-00-220-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Select 'Show detail' in CAIMS while viewing the fault.
  2. Select a fault message below depending on what SCU model P/N is installed on the A/C.

    • For SCU P/N GW415-8100-1: 3250009DWY - PRESSURE SWITCH #1/#2 MISMATCH
    • For SCU P/N GW415-8100-3: 3250019DWY - STEER SOLENOID VALVE PRESS SW #1/WRG

  3. Do close out.

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