NOKIA BTS常见告警.pptVIP

NOKIA ULTRASITE常见告警 7606 7603 7604 7601 7602 7607 7608 7738 7744 7745 7767 8102 8050 8020 7606 TRX FAULTY 告警含义: TRX中出现严重故障,会闭锁TRX 告警处理: 查看附加信息.依信息提示倒换或更换故障单元. 常见附加信息及处理方法: The system clock (26MHz) is not locked.(更换TRX) The RF receiver synthesizer is not locked.(更换TRX) The transmitter output power is too low.(更换TRX) The transmitter output power has dropped at least 3 dB.(更换TRX) BB2 temperature is dangerously high.(更换风扇.一般为空调故障,机房温度太高) There is disturbance in the serial DL bus or bus is broken(插拔TRX,或更换TRX) Antenna connection faulty.(TRX loop测试,检查TX连线,或更换TRX槽位) BOI detected that connection to TRX is lost.(插拔BB2x,或更换BB2x) TSxx temperature is dangerously high.(一般为风扇故障,更换风扇) FBUS faulty(插拔BB2x,或更换BB2x) 7603 BTS FAULTY 告警含义: 扇区内某几个单元出现一个或多个严重故障 告警处理:重起BTS,查看伴随告警(7606),必要时更换所有故障单元, 7604 BTS OPERATION DEGRADED 告警含义:Rx levels differ too much between main and diversity antennas. 告警处理: 查看是否伴随7607告警,若伴随7607告警,更换DVGA单元 依据Site Information对该告警进行初步分析,判断故障点. 检查RX线接头是否有松动或RX连线故障. TRX Loop测试,检查TRX接收质量.必要时倒换或更换载频. 检查硬件数据库是否一致并重新修正. 用Site Master对天馈系统进行驻波比测试,仔细检查各个接口是否松动或馈线接头进水. 7601 BCF OPERATION DEGRADED 告警含义: 在基站中出现一个或多个主要故障. 告警处理:查看附加信息,依据信息提示或伴随告警处理. 常见附加信息及处理方法: Difference between PCM and base station frequency reference. (检查基站主时钟,用频率计校准,必要时更换BOIA) Rx levels differ too much between main and diversity antennas. (依照7604告警处理思路处理) 常见伴随告警: 7606 7603 7607 7604 依照以上告警处理思路处理. 7602 BCF NOTIFICATION 告警含义: 在基站中出现一个或多个次要告警. 告警处理:依照附加信息提示处理. 常见附加信息及处理方法: Cooling fan speed has reduced from the set speed. (更换故障的风扇单元) Cooling fan is broken(更换故障的风扇单元) No connection to power unit(插拔电源板或BOIA,必要时更换BOIA) Mismatch between BSC/MMI configuration file and the actual configuration(检查基站硬件数据库配置,重新修改) 7607 TRX OPERATION DEGRADED 告警含义: 2nd branch LNA in dual variable gain duplex unit is faulty. 告警处理: 更换故障的DVGA单元. 7608 TRX NOTIFICATION 告警含义: 在载频中出现次要故障 告警处理: 依照附加信息提示处理. 常见附加信息及处理方法: BB2 has lost connection to temperature sensor (更换故障的BB2x单元) TSxx has lost connectio