BTS告警表.docx
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BTS告警表
CFI1A
Nr
FaultDescription故障描述
PossibleReasons,
RecommendedCorrectiveActions可能的原因,和处理方法
RelatedFault（s）相关故障
0
Reset,failedrestartattempt
ResethasoccurredonDXU.SeeNote2.看Note2
1
Reset,poweron
2
Reset,switch
3
Reset,watchdog
4
Reset,SWfault
5
Reset,RAMfault
6
Reset,Internalfunctionchange
7
Xbusfault
Thisfaultisraisedwhen2ormoreTRUshavereportedcommunicationproblemsontheX-bus.两个以上的TRU报告X-bus有通信故障
Possiblereasons:
faultybackplane,faultyTRUs,intermittentdisturbances.Makesureallconnectionsareok（e.g.busterminator,extensioncable,etc.）.TrytoswitchplacesbetweenTRUs.Trytopoweroff/onthecabinet.Ifthisdoesn’thelp,replacebackplane.背板故障,TRU故障,间歇干扰.确认所有连接正确,如总线终端头,连线等.断,加电,如果无效,更换背板.
TRXCI1A:
15
8
TimingUnitVCOfault
Thereare3possiblereasonsforthisfault:
1.TheVCOcontrolvaluehasdriftedoutofrange（seefaultCFI2A:
13）.TheVCOneedstoberecalibrated.VCO的控制值超出范围（看CFI2A:
13）,需要重新校正.
2.VCOtemperaturetoolow.Thestart-upheaterisstuck.VCO的温度太低,启动加热器坏.
3.VCOnotdistributingany13MHzsignal.VCO没有分配任何13MHz信号
1.FaultI2A:
13willprobablywarnbeforeI1A:
8arises.Note:
VCOcontrolvaluecanbemonitoredwithOMT/OMT2.I2A:
13会在I1A:
8之前出现,VCO的控制值可以用OMT/OMT2监控
2,3.ProbablyaHWfaultinDXUorpowersupplyproblem.Poweron/offDXU.Ifitdoesn’thelp,changeDXU.DXU中有硬件故障或者供电有问题,给DXU断,加电,如果无效,更换DXU.
CFI2A:
13
9
TimingBusfault
ThefaultisraisedwhenthetimingbusdriverinDXUisfaultyoriftwoormoreTRUshavereportedtimingreceptionproblems.DXU中的时钟总线驱动器故障或者2个以上的TRU接收时钟出现问题
Possiblereasons:
faultyDXUorDXUbackplane,faultyTRUbackplane.Trytopoweroff/onDXU,elsereplaceDXU.Ifthisdoesn’thelp,replacebackplaneorcablebetweenbackplanes.DXU或DXU背板故障,TRU背板故障.断加电DXU,或换DXU,如果无效,更换背板或者背板间的连线
TRXCI1A:
8
10
Indoortempoutofsaferange
（OnlymacroRBS）.Temperatureinmastercabinetisoutoftherange0-55°C（Note5）.Faultceaseswhentemperaturecomesbackinrange2-53°C.仅为微蜂窝:
主机柜内的温度超出0-55°C（Note5）.温度回到2-53°C故障消除.
Possiblereasons:
-theweather天气
-climatesystemfailure气候系统故障
-TRUdummiesmissingTRU盖板丢失
TRXCI1B:
1
11
Notused
12
DCvoltageoutofrange
TheDCvoltage（inmastercabinet）isbelow21.2V（note4）.DC低于21.2V
ThismeansthatACmainshasfailedandBTSisrunningonbatteries.Thebatteriesarealmostemptyandwillsoonbedisconnected.FaultwillceasewhenDCvoltagegoesabove22.2V.交流电断,由电池供电.电池将要放完断开前,出现此故障.DC电压高于22.2V时故障消失.
CFI2A:
18TRXCI1B:
3.
13
Notused
14
LocalBusfault
TheDXUisnotabletosendanydataonlocalbusDXU在本地总线上不能发送数据.
ProbablyaHWfault（e.g.DXU,backplane,localbusterminator）.
DXU背板,本地总线中断头等硬件故障
CFI2A:
30
15
RBSDatabaseCorrupted
TheRBSdatabase（Note1）inDXUiscorruptedorcannotbereadbytheSW.DXU中的RBS数据库损坏或不能被SW读取.
ReinstallIDBwithOMTandpressDXUreset.Ifthisdoesn’thelp,changeDXU.重新安装IDB,如果无效,更换DXU
16
RUDatabaseCorrupted
TheRUdatabase（Note1）inDXUiscorruptedorcannotbereadbytheSW.RU数据库损坏
ResetDXU.Ifthisdoesn’thelp,changeDXU.复位DXU,如果无效,更换DXU
17
HWandIDBinconsistent
TheIDBdoesn’tmatchtheHWpresentincabinet（e.g.wrongcabinettype,wrongtransmissiontype,etc.）.硬件和IDB不一致
InstalltherightIDBwithOMTandpressDXUreset.安装正确的IDB
18
InternalConfigurationfailed
OneorseveralsubsystemsinDXUSWhavefailedtheirinternalconfiguration（Note1）.DXUSWwillnotbeabletouseDXUHWproperly.内部设置失败
Thisfaultisusuallyaconsequenceoffaults15,16,or17（seeinstructionsabove）.此故障和15,16和17有关系,
19
IndoorTempabovesaferange
（OnlymicroRBS）.Ambienttemperaturearoundmastercabinetisabove55°C（Note5）.BSCshouldtakeBTSoutofoperation.Ifthetemperaturereaches65°C,BTSwillautomaticallyshutdown.仅在微蜂窝,环境温度高于55°C,BSC应停止BTS.温度高于65°C时,BTS会自动关闭.
Thefaultceaseswhentemperaturegoesbelow53°C.低于53°C故障终止.
TRXCI1B:
4
20
IndoorTempbelowsaferange
（OnlymicroRBS）.Ambienttemperaturearoundmastercabinetisbelow0°C（Note5）.仅在微蜂窝,环境温度低于0°C.
Faultceaseswhentemperatureisabove2°C.高于2°C故障终止.
TRXCI1B:
5
CFI2A
Nr
FaultDescription
PossibleReasons,
RecommendedCorrectiveActions
RelatedFault（s）
0
Reset,failedrestartattempt
ResethasoccurredonECU.Seenote2.
1
Reset,poweron
2
Reset,switch
3
Reset,watchdog
4
Reset,SWfault
5
Reset,RAMfault
6
Reset,Internalfunctionchange
7
RXDAamplifiercurrentfault
AnRXDAinaCDU（orDU）isfaulty.ReadtheBTSlogstofindoutwhichside（AorB）isfaulty.IfthefaultysideisnotconnectedtoanRXantenna,thereisnoperformancedegradation.IfthefaultysideisconnectedtoanRXantenna,thenRXloosesdiversityandsensitivitydecreasesby3.5dB.IftheotherRXsideisalsofaulty,thenfaultI1B:
0israisedonRX.CDU或DU中的一个RXDA故障.读取BTS的日志log找出AB中哪边故障.如果故障边没有连接接收天线,性能降低.如果故障边连接了接收天线,那么分集接收丢失敏感度降低3.5dB.如果另一边也故障,那么RX产生l1B:
0.
ThisisprobablyaHWfaultonCDU.Trytopoweroff/onCDUandresetDXUbeforereplacingCDU（orDU）.CDU硬件故障,断加电CDU或DU并复位DXU,若无效换CDU.
RXI1B:
0
8
VSWRlimitsexceeded
TheVSWRatTRUoutputoratCDUoutputhasexceededtheclass2limit（andmaybetheclass1limitaswelliffaultIB:
1or4arepresentonTX）.TRU输出或CDU输出的驻波比超出等级2（1.8）.或者超出等级1,TX产生IB:
1or4.
IfRUmapindicates"CDU"or"CU",theVSWRatTRUoutputisoutsidelimits.SeedescriptionoffaultI1B:
1onTX.如果RUmap为CDU或CU,TRU输出VSWR超限,看TXI1B:
1
IfRUmapindicates"Antenna",thentheVSWRatCDUoutputisoutsidelimits.SeedescriptionoffaultI1B:
4onTX.如果RUmap为Antenna,CDU输出VSWR超限,看TXI1B:
4.
TXI1B:
1
TXI1B:
4
9
Outputpowerlimitsexceeded
TheTXpoweratCDUoutputis7dBlowerthanexpected.（Whenthedifferenceis10dB,faultI1B:
2israisedonTX.）TX在CDU的输出功率比预定的低7dB.当差别为10dB,TXI1B:
2
ThereisprobablyafaultontheTXpath.CheckallTXfeeders,bothinsideandoutsidecabinet.CheckthePf/Prcables.ChecktheRUlogstoseewhichTRUisemittingthefault.TrytoswitchpositionsbetweenTRUs/CDUstofindoutitistheunitsortheRFcablesthatarefaulty.检查TX路径上所有的发射线,机柜内和机柜外的.检查Pf/Pr.检查RUlogs找出产生故障的TRU.交换TRUs或CDUs间的位置找出是设备还是RF线出的故障
TrytoreinstallIDB（thishashelpedinsomecases）.Otherreason:
TXhightemperatureorsaturation（seeTXI1B:
12and14）.试试重装IDB.其他原因:
TX高温或者饱和,看TXI1B:
12and14.
TXI1B:
2
TXI1B:
20
10
DXU-optEEPROMchecksumfault
（OnlyinDXUsusing5MHzoptionalsyncreference）.
TheEEPROMoftheDXUoptionalsynchronisationboardcontainscorrupteddata.ThisdataisnecessaryfortheCPUtocontrolthe13MHzVCO（note3）.DXU的EEPROM可选同步板数据损坏
ProbablyaHWfault.Itdoesn’thaveanyconsequenceifitoccurswhiletheDXUisrunning.ButatnextDXUstart-up,theTUwillprobablynotbeabletosynchroniseonthe5MHzreferenceandfaultI1B:
1willberaisedonTF.可能硬件故障.更换DXU
TFI1B:
1
11
ALNA/TMAfault
ATMAisprobablyoutoffunction.RXisnotgettinganysignalsfromthesideusingthisTMA,whichreducessensitivitybyabout3.5dB.IftheotherRXsideisalsofaulty,thenfaultI1B:
1israisedonRX.塔放不工作,敏感度降低3.5dB左右.
ThecurrentconsumptioninTMAissupervisedfromCDU.ThefaultisraisedwhencurrentinTMAisoutsidetherange33-147mA.TheselimitsaresetinIDBbutcanbechangedwithOMTR5/2orlater.塔放的电流超出33-147mA
TheTMAcurrentcanbemonitoredwithOMT/OMT2.Makesurethatfeeders/jumpersareokandthatrightIDBisinstalled.OtherwisereplaceTMA.检查馈线跳线连接正确,IDB安装正确.否则更换塔放.
Note:
IftheTMAhastwoamplifiersandonlyoneisfaulty,thecurrentwillbepulsated.ThiswillbedetectedbyCDUandreported（inSW7Dandlater）asfaultCFI2A:
20.如果TMA有2个放大器其中一个坏,电流将跳动,产生CFI2A:
20
RXI1B:
1
12
RXmaxgain/mingainviolated
（OnlyinCDUC+/D）.ThefaultisraisedwhentotalgaininRXpath（fromantennatoTRU）isoutsidetherecommendedrange.Ifthegainistoohigh,thereisriskforblocking（amobileclosetoBTSovertalksamobilefaraway）.Ifthegainistoolow,theRXsensitivityisreduced.（仅在CDUC+或D中）RX的总增益超出要求的范围.
Note:
InCDUC+/D,thegaininRXDAisadjustedbyTRU（viaCDU-bus）inordertofittheradioconfiguration.Forexample,RXDAgainisreducedwhenTMAisusedandincreasedwhennoTMA.
ThemostprobablereasonisthatsomeattenuationvaluesarewronglydefinedinIDB.ForexampleRXfeederloss,HLin/HLoutloss,TMAamplification,etc.
ThetotalgaininRXpathcanbecheckedwithDVTmonitor:
RTS/RX/LC/PATH/LOSSA（LOSSB）.Multiplytheresultby3/256togetvalueindB.断加电CDU,复位DXU,若无效,更换CDU.
13
TimingunitVCOageing
TheVCOcontrolvalueisanintegerbetween0and16384（214）.Whenitgetsoutsidetherange384-16000,faultI2A:
13israisedonCF.TUfunctionalityisnotaffectedbutifthecontrolvaluegetsoutsidetherange273-16111,faultI1A:
8willberaisedonCFandRBSfunctionalitywillbelost.时钟单元VCO老化
The13MHzoscillatorinDXUisageingandthereforeitscontrolvalueisdriftingoutsidetheauthorisedrange.DXUshouldbesenttorepairforrecalibrationoftheVCO.Note:
theVCOcontrolvaluecanbemonitoredwithOMT/OMT2.更换DXU
CFI1A:
8
14
CDUsupervision/communicationlost
ThereisacommunicationproblemontheCDU-busbetweenTRUandCDU/CU/DU/FU.
UsetheBTSlogstolocalisethefaultmoreprecisely.TRU和CDU/CU/DU/FU之间的CDU总线通信故障
Possiblereasons:
-TheCDU-buscableisfaulty,disconnected（checkbackplaneconnectionaswell）orwronglyconnected（canhappenwhenusingY-cable）.CDU总线故障,断开或者连接错误,同时检查Y-cable
-TheCDUispoweredofforfaultyCDU断电或故障.
-ATRUconnectedtotheCDU-busisfaulty.TRU连接CDU总线错误.
TRXCI1B:
0TRXCI2A:
22
TXI1B:
0
15
VSWR/outputpowersupervisionlost
（OnlyCDU-D）.OneorseveralPf/PrcablesbetweenFUandCUaredisconnected,checkt
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