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Sept 04
5-19
P I LOT T R A I N I N G GU I D E
EICAS Synoptic and Status Page Color Coding
Figure 5-10
P604_05_009
Description Symbol Condition
APU Generator
Load Readout
APU RPM Readout
APU EGT Readout
APU Generator
Voltage Readout
APU Generator
Frequency Readout
APU Generator Output
Flow Lines (Upper)
Generator is loaded
Generator is overloaded
Generator is not on-line
Invalid data
Voltage between 100 and 125 VAC
Voltage less than 100 VAC or more than 125 VAC
Invalid data
Frequency between 375 and 425 Hz
Frequency less than 375 Hz or more than 425 Hz
Invalid data
Generator line contactor at generator position
Generator line contactor at tie position
7
36
0
- -
113
94
- - -
401
429
- - -
KVA
KVA
KVA
KVA
V
V
V
HZ
HZ
HZ
0
EGT
0
RPM
481
EGT
Green: 0 to 104%
Amber: 105 to 109%
Red: 110%
Green: 0 to 680°C
Amber: 680 to 974°C
Red: 974°C
Running RPM from start to less than 60%
Green: 0 to 680°C
Amber: 680 to 731°C
Red: 731°C
Running RPM more than 60%
APU
0 0
RPM EGT
APU
100 615
RPM EGT
AUXILIARY POWER UNIT
5-20 For Training Purposes Only
Sept 04
P I LOT T R A I N I N G GU I D E
EICAS Messages
MESSAGE MEANING AURAL WARNING
(IF ANY)
APU FIRE Fire detected in the APU enclosure. FIRE BELL
APU OVERSPEED APU has shut down due to an overspeed condition. “APU”
APU OVERTEMP APU has shut down due to an overtemperature condition. “APU”
APU LCV FAIL APU load control valve has failed in the open position with APU LCV interlock activated.
APU SOV
APU fuel shutoff valve is open with the APU FIRE PUSH switch activated, or the fuel
shutoff valve position does not match the APU PWR FUEL switch position, within 5
seconds.
APU NEG-G SOV
APU negative-G shutoff valve is open with the APU FIRE PUSH switch activated, or the
negative-G shutoff valve position does not match the APU PWR FUEL switch position,
within 5 seconds.
APU OIL PRESS APU oil pressure or APU adapter oil pressure is low and the APU will shut down.
APU OIL TEMP APU oil temperature or APU adapter oil temperature exceeds limits and the APU will
shut down.
APU PUMP APU fuel pump has failed.
APU SOV CLOSED APU fuel shutoff and negative-G shutoff valves have closed after actuation of the APU
FIRE PUSH switch/light.
EICAS Messages
Table 5-2

　
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