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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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09/13/19

Message Overview:

Fault Message:

FADEC [NO LOAD CONTROL VALVE EXC]

Fault Code:

4960041APU

Associated CAS:

None

Reporting LRU: Full-Authority Digital Engine-Controller (FADEC)
System Description: 49-60-00
Schematic Diagram: None
Wiring Diagram: None

Fault Description:

Auxiliary Power Unit (APU) Load Control Valve position is indeterminate. APU Load Control Valve does not close rapidly. APU may exceed Exhaust Gas Temperature (EGT) over temperature limit and/or surge.

Possible Causes:

  • Auxiliary Power Unit (APU) Full-Authority Digital Engine-Controller (FADEC) (A108)
  • Auxiliary Power Unit (APU) Load Control Valve (MPE1)

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

Forum Articles/Infoservice/Newsletter: None

Quick Links:

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Troubleshooting Recommendations:

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