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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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08/09/19

Message Overview:

Fault Message:

SPC/WRG/LGECU B (MLG WOW IND)2

Fault Code:

3231209EL

Associated CAS:

None

Reporting LRU: Landing Gear Electronic Control Unit (LG ECU)
System Description: 32-31-00
Schematic Diagram: 32-31-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 32-31-05 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Fault Description:

The Landing Gear Electronic Control Unit (LG ECU) has detected a failure in the Stall Protection Computer (SPC) wiring.

Possible Causes:

  • Stall Protection Computer (SPC) (A40)
  • Landing Gear Electronic Control Unit (LG ECU) (A52)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

NOTE: May be a nuisance Fault during power up. Reset the LGECU circuit breakers.

Quick Links:

Removal of the Stall Protection Computer AMM 27-32-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Stall Protection Computer AMM 27-32-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Landing-Gear Electronic
Control-Unit (LG ECU)		 AMM 32-31-09-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Landing-Gear Electronic
Control-Unit (LG ECU)		 AMM 32-31-09-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Reset the circuit breakers.

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

  2. Re-seat the LGECU.

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

  3. Re-seat the SPC.

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

  4. Perform wiring check of the Main Gear WOW wire between the LGECU connector (A52BP1) and the SPC connector (A40BP1) and check the loads for failure.

    1. If wiring checks are not good, repair defective wiring as required and do close out.
    2. If wiring checks are good, continue with next step.

  5. Replace LGECU.

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

  6. Replace SPC.
  7. Do close out.

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