Lucent Technologies DDM-2000 OC-12 - Page 1252

Clearing:Trouble363-206-295 TAP-111
2of1Page1997December1,Issue
ConditionBrownoutClear
DisplayIDFEinLFlashing
fuseIs1. FA or FB blown?
If YES dothen, DLP-555.
If NO toproceedthen, 2Step .
voltage.measuretomultimeter)(digitalDMMCondition2.
3.
!
CAUTION:
offailureabemaytroubleblown,notisPanelUseronfuseIf one of
the
− orfusewrongtheRemovingfeeders.powerDC48V
causewillmeasurementpowerforfeederwrongthedisconnecting
interruption.service
holderfuseatvoltageMeasure FA or FB.
thanlessmeasurevoltageDoes4. − DC?volts40
If YES withcontinuethen, 5Step .
If NO toproceedthen, 7Step .
5.
!
CAUTION:
theconditionsbrownoutDuring SYSCTL normalsuspendwill
willcommandsCITandgereratedbewillalarmsNooperations.
not
willloginsremoteandLocalwork. not work.
forpaneldistributionbatteryofficeCheckfeeder(s).powerinTrouble
condition.low-voltage
6. PROCEDURE.THISCOMPLETEDHAVEYOUSTOP.