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Troubleshooting
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Select color for CAS message that you wish to troubleshoot

(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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CRC Montreal (YUL)
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essential power only arrow btn

Both engines and APU driven generator are off line.

l batt overheat arrow btn

Left battery internal temperature is high.

r batt overheat arrow btn

Right battery internal temperature is high.

apu gen fail arrow btn

APU generator has failed.

apu gen overload arrow btn

APU generator load is more than 500 amps.

elec hyd gen fail arrow btn

HMDG is selected on, but the HMDG line contactor is not closed.

electrical fault arrow btn

Electrical system failure has occurred that prevents the display of electrical indications.

l batt fail arrow btn

Left battery has failed, or battery contactor has failed, or battery has been automatically disconnected for overheat protection.

l ess bus fail arrow btn

Left essential bus is not powered with a power source available.

l gen fail arrow btn

Left generator has failed.

l gen overload arrow btn

Left generator load is more than 500 amps.

l main bus fail arrow btn

Left MAIN bus is not powered with a power source available.

r batt fail arrow btn

Right battery has failed, or battery contactor has failed, or battery has been automatically disconnected for overheat protection.

r ess bus fail arrow btn

Right essential bus is not powered with a power source available.

r gen fail arrow btn

Right generator has failed.

r gen overload arrow btn

Right generator load is more than 500 amps.

r main bus fail arrow btn

Right MAIN bus is not powered with a power source available.

electrical fault arrow btn

Electrical system fault has occurred that causes the loss of redundancy in the display of electrical indications.

l aux bus fail arrow btn

Left auxiliary bus is not powered with a power source available.

l aux bus off arrow btn

Left side of the electrical system is selected off.

l ess bus off arrow btn

The left side of the electrical system is selected off, or L ESS BUS voltage is less than or equal to 10 VDC.

l main bus off arrow btn

The left side of the electrical system is selected off, or L MAIN BUS voltage is less than or equal 10 VDC.

r aux bus fail arrow btn

Right auxiliary bus is not powered with a power source available.

r aux bus off arrow btn

Right side of the electrical system is selected off.

r ess bus off arrow btn

The left side of the electrical system is selected off, or L ESS BUS voltage is less than or equal to 10 VDC.

r main bus off arrow btn

The left side of the electrical system is selected off, or L MAIN BUS voltage is less than or equal 10 VDC.

stby inst batt fault arrow btn

MAINTENANCE TEST switch on MAINTENANCE PANEL has been set to ISI BATT FAULT position.

apu gen off arrow btn

APU generator has been set OFF.

bus tie man open arrow btn

Bus tie has been manually set open.

elec hyd gen on arrow btn

The hydraulic powered generator is selected ON.

l batt off arrow btn

Left battery has been set OFF.

l gen off arrow btn

Left engine generator switch has been set OFF.

r batt off arrow btn

Right battery has been set OFF.

r gen off arrow btn

Right engine generator switch has been set OFF.

stby inst off arrow btn

STBY INST PBA has been pushed.

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