Electrical System Malfunctions
T-45C TS, ADV & IUT ENG-03
III. Generator failure 1.8.1.3.1.1.1
Fig 4: Generator
Failure with Low
A. Indications
Battery Voltage
1.
MASTER ALERT flashes
2.
Caution and warning tones sound
3.
GENERATOR warning light illuminates
4.
AC INV caution light will illuminate -- on
aircraft165456 and lower before AFC 199
incorporated
5.
C AUG caution light on caution advisory panel
illuminates
6.
F PRES caution light illuminates
NOTE: There is a 30-sec delay in the illumination of
the F PRES caution light after the loss of the
Generator Bus.
7.
Right MFD disabled
B. Verifications
Fig 5: Electrical
Load Distribution
NOTE: The Electrical Load Distribution table shown in
Figure 5 is a replication of one in the NATOPS Flight
Manual. It does not depict the Ground Service Bus,
which is depicted in the NATOPS Electrical System fold-
out schematic.
1.
Voltmeter reads 24 volts or less
2.
Loss of generator bus equipment
3.
Loss of nonessential services
C. Effects on flight safety
1.
If generator will not reset, two good batteries will
give power for 27 minutes. With only one good
battery, power will only be available for 12 minutes
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