Zte ZXMW NR8250 - Fan Failure

Chapter2Alarm
HandlingProcedure
1.Removeandinsertthecorrespondingboard;
2.Replacethecorrespondingboard;
3.ReplacePMboard;
4.Replacethebackplane.
2.4.18406Fanfailure
AlarmProperty
lAlarmCode:406
lAlarmInformation:Thisalarmisreportedifthefanspeedistooslow.
lAlarmLevel:Warning
lAlarmType:EquipmentAlarm
Sub-codeDescription
lSub-code1:Fan1Failure
lSub-code2:Fan2Failure
lSub-code3:Fan3Failure
lSub-code4:Fan4Failure
lSub-code5:Fan5Failure
lSub-code6:Fan6Failure
EffectontheSystem
Thisalarmmaycausetheequipmentovertemperaturealarmandcausesboardsor
thesystemtooperateimproperly,thesystemperformancetodegrade,andservicesto
interrupt.
PossibleCauses
Thefanfails.
HandlingProcedure
Replacethefan.Ifthealarmpersists,theshelfmaybefaultybecausethepowersupply
tothefanisintroducedfromthebackplane.Replacetheshelf.
1.Checkwhetherthefanisfaulty.
lIfyes,replacethefan.
lIfno,gotostep2.
2.Checkiftheshelfisfaulty.Ifyes,replacetheshelf.
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SJ-20111008094748-008|2012–05–30(R1.1)ZTEProprietaryandCondential