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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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04/09/21

Message Overview:

Message Name:

A/I CONTROL VALVE 6

Message Code:

B3-302157

Associated CAS:

L ENG A/ICE FAIL ON
(Advisory)

Reporting LRU: L ENG AI VALVE
System Description: 30-21-00
Schematic Diagram: 75-10-00 Sh. 1
Wiring Diagram: 75-10-01

Message Description:

Left engine anti-ice control valve fault 6.

[MCID 1205]
Anti-Ice Control Valve 6.

Possible Causes:

  • Harness from Inline Splice Connector to +28 VDC Source
  • Wiring Harness (W3)
  • Wiring Harness (W6)
  • Wiring Harness (W1)
  • Anti-ice Valve
  • Aircraft 28 Volt Power

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Component Location AMM 30-21-00-992-801
Operational Test of the Nacelle Anti-Ice System AMM 30-21-00-710-801
Removal of the Cowl Anti-Ice Valve AMM 30-21-01-000-801
Installation of the Cowl Anti-Ice Valve AMM 30-21-01-400-801
General Visual Inspection of the Engine Wiring Harness AMM 71-50-05-400-802
Wiring - Maintenance Practices - ALL SPM 20-12-00-02
Wire Repair - Maintenance Practices - ALL SPM 20-12-10-02
Electrical Connectors - Maintenance Practice - ALL SPM 20-20-00-02

Troubleshooting Recommendations:

  1. MCID 1205 fault present, troubleshoot using the following steps for aircraft and engine fault isolation with reference to the Light Engine Maintenance Manual Subtask 72-00-00-810-200-A01.

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