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(WARNING)
RED MESSAGE
(CAUTION)
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(ADVISORY)
CYAN MESSAGE
(STATUS)
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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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01/28/21

Message Overview:

APU OVERTEMP
(Warning)

DDG Reference: 49-11
Pilot Action (QRH): APU 01-2
System Description: 49-70-00
Schematic Diagram: 49-61-00
Wiring Diagram: 49-61-01

Message Description:

A red 'APU OVERTEMP' Warning CAS message indicates that an APU EGT over-temperature has been detected. On the ground the APU will shut-down automatically.

The ESU has detected information received from the EGT thermocouple has exceeded system temperature limits.

Possible Causes:

  • None

Troubleshooting Tips:

Advisory Wire/Service Bulletin: None

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