Model G58
ELECTRICAL ALERTS AND MESSAGES
Condition
Left
Alternator
Inoperative
Right
Alternator
Inoperative
Left & Right
Alternator
Inoperative
*Left or Right
Alternator
Load High
Left Voltage
Regulator
Inoperative
Right Voltage
Regulator
Inoperative
Left Bus
Voltage Low
Right Bus
Voltage Low
Left and Right
Buses Tied
*Software Version 0857.05
May, 2015
Type of
Annunciator
Alert
Display-
Brief Text
Warning
L ALT INOP
(red)
Warning
R ALT INOP
(red)
Warning
L-R ALT INOP
(red)
Caution
ALT LOAD
(amber)
Caution
LBUS VOLT HI
(amber)
Caution
RBUS VOLT HI
(amber)
Caution
LBUS VOLT LO Left bus voltage
(amber)
Caution
RBUS VOLT LO Right bus voltage
(amber)
Advisory
BUSES TIED
(white)
or
0857.06
Section 7
Systems Description
Alert Display-
Descriptive Text
Left alternator
offline
Right alternator
offline
Right and Left
alternators
offline
Left or Right
Alternator load
exceeds 100 amps
Left bus voltage
greater than 30
VDC
Right bus voltage
greater than 30
VDC
less than 24 VDC.
Suppressed below
500 RPM
less than 24 VDC.
Suppressed below
500 RPM
Right Bus is tied to
Left Bus
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