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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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Quick Links

04/26/21

Message Overview:

Message Name:

DC GENERATOR - FALSE 4-VOLT INDICATION

Identifier: 243OBS001
Effectivity: Aircraft: 20501 - 20999
System: Electrical
Associated CAS: None
System Description: 24-31-00
Schematic Diagram: 24-31-00
24-31-10
Wiring Diagram: 24-31-05
24-31-07
24-31-09
24-31-13
24-31-15
24-31-17

Message Description:

The DC generator voltage output indication is showing 4 Volts on the electrical synoptic page when the engine(s) or APU are not operating.

Possible Causes:

  • Generator

Troubleshooting Tips:

Advisory Wire/Service Bulletin:

Forum Articles/Infoservice/Newsletter: None

Quick Links:

Removal of the Main Generator 24-31-05-000-801
Installation of the Main Generator 24-31-05-400-801
Removal of the APU Generator 24-31-09-000-801
Installation of the APU Generator 24-31-09-400-801

Troubleshooting Recommendations:

  1. Replaced the affected Generator.
    NOTE:Swap with a known good one could also be done to confirm the failure.
  2. Do close out.

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