Operation Manual Part 2
Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-31
26-Jul-2017
EICAS SYNOPTIC PAGE – ELECTRICAL POWER SUPPLIED FROM EXTERNAL POWER
Before you can connect an external power supply to your aircraft you need to set the parking brake and/or
chocks and then activate the power cart via Dave. So please open Dave and proceed to the “Services /
Maintenance” menu, then activate the chocks and ground power. Then press SAVE.
The green AVAIL light of the AC pushbutton on the overhead panel
will illuminate as soon as the power supply is connected to the
aircraft. Press pushbutton to accept power supply. Please note that
engines and APU generators need to be off.
1. When External Power is available SERVICE
CONFIGURATION will be displayed
2. When External Power is connected to the busses the
Generator load, Voltage and Frequency will be displayed
EICAS MESSAGES
For certain occurrences, messages are triggered on the EICAS ED1 and ED2 display.
• IDG 1/2 CAUTION (amber): Low oil pressure or high temperature
• GEN 1/2 CAUTION (amber): Generator(s) off
• GEN 1/2 CAUTION (amber): Generator load over 40 kVA
• APU GEN OFF CAUTION (amber): APU generator ready but off
• APU GEN OVLD CAUTION (amber): APU generator load over 40 kVA
• IDG 1/2 DISC (white): IDG(s) disconnected
• EMER PWR ONLY WARNING (red): ADG deployed
• AC BUS 1/2 CAUTION (amber) : Bus not powered
• AC ESS BUS CAUTION (amber) : AC essential bus voltage under 90 Volts
• AC 1/2 AUTOXFER CAUTION (amber) : Automatic bustransfer failed
• AC 1/2 AUTOXFER OFF (white): Automatic bustransfer deactivated
• AC ESS ALTN (white): Essential bus fed from AC bus 2
• ADG FAIL (white): Generator control unit failed
• ADG AUTO FAIL (white): ADG deployment control unit failed










