Daiichi Electronics ASY-96 - Error Display and Treatment; Trouble Shooting

ASY‑206‑077
18
7.8Errordisplayandtreatment
№ Contentsoferror
Control
status
Error
output
Resetcondition Note
E1 ROM/RAMerror Stop Alarm Equipmenttrouble
E2 A/Derror Stop Alarm Equipmenttrouble
E3 Settingerror Stop Automaticreturnbyreset
E4 Outofrange,busvoltage Stop Automaticreturn
E5 Outofrange,generatorvoltage Stop Automaticreturn
E6 Outofrange,busfrequency Stop Automaticreturn
E7 Outofrange,frequencydifference Stop Automaticreturn
E8
Startinputdesignationmistake.
(Overlappingdesignation)
Stop Automaticreturn
E9
Closingmistake.
(3timescontinuation)
Closing
outputstop
Alarm
Noinputvoltageorstart
OFF
ΔVandΔFcontrol
iscontinued
7.9Troubleshooting
№ Abnormalcondition Probablecause Treatment
Businputisnotgiven. Validationofbusinput.
1 POWERLEDisnotlighted.
Defectindevice Exchangeofdevice.
Outofcontrolrangeinvoltage/frequency
ofbusandgenerator.
Confirmofvoltageandfrequency
bybusandgenerator.
2
Figuresofvoltageand
frequencydifference
don’tdisplay.
Defectindevice Exchangeofdevice.
Automaticinput(Automaticsynchronization
closingstart)isnotgiven.
Confirmofautomaticinput.
3
Automaticsynchronization
closingdon’tstart.
Defectindevice Exchangeofdevice.
Manualinput(Manualsynchronizationclosing
start)isnotgiven.
Confirmofmanualinput.
4
Manualsynchronization
closingdon’tstart.
Defectindevice. Exchangeofdevice.
E1：ROM/RAMerror
E2：A/Derror
Defectindevice,
Exchangeofdevice.
E3：Settingerror
Confirmofsettingvalue
(Correction).Settingchange
duringoperationisnotpossible.
E4：Outofrangeinbusvoltage.
E5：Outofrangeingeneratorvoltage.
Confirmofvoltagerange
E6：Outofrangeinbusfrequency.
E7：Outofrangeingeneratorfrequency.
Confirmoffrequencyrange.
E8：Errorinstartinputdesignation.
(Repetitiondesignation)
Confirmofstartinput
(Correction).
5
Errorisdisplayed.
(E1〜E9)
E9：Closingmistake.
(3timescontinuation)
Confirmofoutput(25)orcircuit
breaker.
AVRline,maybeinferiorif60R,60Lisoutput. ConfirmofAVRline.
6
Voltagedon’tbalance.
(△VLEDisnotlighted.)
Devicemaybedefectiveif60R,60Lisnot
output.
Exchangeofdevice.
Governorline,maybeinferiorif15R,15Lis
output.
Confirmofgovernor.
7
Frequencydon’tbalance.
(△FLEDisnotlighted.)
Devicemaybedefectiveif15R,15Lisnot
output.
Exchangeofdevice.
Closingconditionsarenotproper.
Confirmofclosingconditions
(△Vand△F).
8
Closingsignaldon’t
display(LED(25)isnot
lighted.)
Devicemaybedefective. Exchangeofdevice.
△Vand△Fisnotwithinrange. Confirm△Vand△F.
9
Synchronismchecksignal
don’tdisplay(±15°LED
isnotlighted.)
Devicemaybedefective. Exchangeofdevice.
Synchronousclosing(25outputs)mistake
occursby3timescontinuation.
Confirmofcircuitbreakerline.
ROM/RAMerror.
10 Alarmisdisplayed.
A/Derror.
Exchangeofdevice.