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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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10/24/23

Message Overview:

Fault Message:

L WAIV/L INBOARD WAIT SENSOR

Fault Code:

3615420BMC

Associated CAS:

L BLEED SYS FAIL
(Caution)

Reporting LRU: Bleed Management Controller (BMC) 1
System Description: 30-11-00
Schematic Diagram: 30-11-00 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wiring Diagram: 30-11-01 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Message Description:

The Left Inboard Wing Anti-Ice Temperature Sensors (WAITS) has detected a temperature >135°C.

Possible Causes:

  • Wing Anti-Ice Temperature Sensors (WAITS) 1
  • Bleed Management Controller (BMC) 1 (A69)
  • Associated Wiring

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

NOTE:

  • A bad connection in the sensor circuit can cause this condition.

Quick Links:

Removal of the Anti-Icing Modulating-and-Shutoff Valves AMM 30-11-01-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Anti-Icing Modulating-and-Shutoff Valves AMM 30-11-01-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Anti-Icing Temperature Sensors AMM 30-11-05-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Anti-Icing Temperature Sensors AMM 30-11-05-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Removal of the Bleed Management Controller AMM 36-11-33-000-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Installation of the Bleed Management Controller AMM 36-11-33-400-801 [ Global Express ]  [ G5000 ]  [ Global XRS ]
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02 [ Global Express ]  [ G5000 ]  [ Global XRS ]

Troubleshooting Recommendations:

  1. Swap WAIV 1 with WAIV 2.

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

  2. Measure the left inboard WAITS resistance. Make sure the sensor is within limits as shown in the table and graph below.

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

  3. Perform wiring checks between BMC1 and left inboard WAITS.

    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.

  4. Replace BMC 1.
  5. Do close out.

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