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MAINTENANCE MANUAL
B. BITE
(1) The WEU power supply fault indicators, one for each module, latches to black when the corresponding power supply is operating properly. When a fault occurs, the indicator latches to yellow. In addition, a fault discrete signal is sent to the EICAS computer, to display a STATUS message on the upper EICAS display unit. Pressing the STATUS switch on the EICAS display select panel will display the WARN ELEX status message on the lower EICAS display unit.
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FAULT ISOLATION/MAINT MANUAL
WARNING SYSTEM
* SEE THE WDM EQUIPMENT LIST
THE PSU RESET AND THE PSU A AND B FAULT INDICATORS ARE IN THE WEU BITE MODULE.
Warning System - Component Index
Figure 101
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M983WEU BITE MODULE, M1411
SEE
B
WARNING ELECTRONICS UNIT, P51
A
Warning System - Component Location Figure 102 (Sheet 1)
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CAPTAIN'S MASTER WARNING AND LOUDSPEAKER, B56 LEFT AURAL WARNING CAUTION LIGHTED SWITCH, S507
WARNING
P11 PANEL
SEEC r
FIRST OFFICER'S MASTER WARNING DISCRETE WARNING AND CAUTION LIGHTED SWITCH, S508
CAUTION
DISPLAY MODULE, M779
SEEC a RIGHT AURAL WARNINGSEE D
LOUDSPEAKER, CAPTAIN'S AND B57
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