MD-11 Flight Crew Operations Manual
k
Electrical -
Alerts
Elec.40.2
BAT CHARGER INOP (ELEC) - The battery charger is inoperative.
Inhibited in flight.
BAT CHARGING (ELEC) - The battery is being charged. Normally
displayed for a short time following an APU start.
BAT DISCHARGING (ELEC) - Abnormal battery discharge is indicated.
BAT LOW (ELEC) - Battery voltage is below limit.
BAT SWITCH OFF (ELEC) - The BAT switch has been manually selected
to OFF.
BUS AC 1/2/3 OFF (ELEC) - The respective ac bus is unpowered or the
associated sensing circuit has failed.
BUS AC GND OFF (ELEC) - Ground ac bus is unpowered.
BUS DC 1/2/3 OFF (ELEC) - The respective dc bus is unpowered or the
associated sensing circuit has failed.
BUS DC CABIN OFF (ELEC) - The cabin dc bus is unpowered or the
associated sensing circuit has failed.
BUS DC GND OFF (ELEC) - The ground dc bus is unpowered or the
associated sensing circuit has failed.
BUS R EMER AC OFF (ELEC) - The right emergency ac bus is unpowered
or the associated sensing circuit has failed.
BUS R EMER DC OFF (ELEC) - The right emergency dc bus is unpowered
or the associated sensing circuit has failed.
CABIN BUS SW OFF (ELEC) - The CAB BUS switch has been manually
selected to OFF. This removes power from the cabin buses.
DC TIE 1/3 OFF (ELEC) - When system is in auto, the associated relay has
opened due to a fault. When the system is in manual, the relay has opened
due to a fault or the relay has been commanded open by overhead panel
switch action.
ELEC SYS MANUAL (ELEC) - The electrical system is in manual mode.
EMER PWR ON (ELEC) - Emergency power has been automatically
commanded or manually selected on.
EMER PWR SW OFF (ELEC) - EMER PWR selector has been manually
selected to OFF.
EMER PWR TST FAIL (ELEC) - The emergency electrical power preflight
test has failed.
October 02, 2006