T-45C TS, ADV & IUT ENG-02
Electrical System
(3) On aircraft 165457 and up and on aircraft
165456 and below with AFC 199
incorporated -- both inverters remain on-
line, AC INV caution does not illuminate
(4) Signal CWS
(a) MASTER ALERT flashes
(b) Warning tone sounds
(c) GENERATOR warning light on warning
panel illuminates
(d) AC INV caution light on caution
advisory panel illuminates only on
aircraft 165456 and below without AFC
199
(e) C AUG caution light on caution
advisory panel illuminates
(f)
F PRES caution light illuminates
after 30 sec
b.
Undervoltage: If the generator output falls
below 25 VDC for more than 1.5 seconds, the
Overlay 2
undervoltage sensing unit will detect the same
Overvoltage Condition
and illuminate the generator warning light and
drop the non-essential AC. The generator IS
NOT taken off-line and may continue to operate
in an under-voltage condition. The indications
will be the same as those stated above after an
overvoltage or when generator fails with the
following exceptions:
(1) HUD and right MFD in both cockpits will
continue to function until the batteries can
no longer sustain operations
(2) Left MFD in both cockpits will not be
affected
(3) The 2-minute relay does not come into play
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Change 4 (9-98)
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