If it is more than 40%, check the individual Clear Code groups.如果无应答率超过40％，检查每个释放码组
Check if there is huge number for a Clear Code without acceptable reason.检查是否有大量不明原因的释放码组
If the problem still exists, Contact Nokia Help Desk.如果还有问题，向HelpDesk求助
11.
Check the amount of subscribers in VLR and HLR.记录在VLR和HLR内的用户总数。
ZMVI; (MSC&MSS)
Check the Clear Code explanation in Maintenance Manual and try to resolve. it.根据维护手册检查拆线代码，并尝试解决
If unable to solve the problem,contact Nokia Help Desk.如果无法消除告警，向Help Desk求助
Try to resolve the alarm by referring Alarm Manual.根据告警手册消除告警
Three star alarms require immediate user actions.三星告警需要用户立即处理
Only need to cancel the alarm if the system does not detect the faulty has been corrected.只能将那些系统不能监测到的告警进行清除
Check if the Synchronisation working mode is Hierarchical and Oscillator Control Mode is normal, Check the OSCILLATOR control word value.检查同步工作模式是否主从同步，震荡器控制模式是否正常，检查控制字是否基本一致
如果不是，删除同步输入，然后再重新创建并修改同步等级，检查之
13.
Check charging unit status and charging file status
检查计费单元和文件状态
ZUSI:CHU;
ZIFO:CHU:GSMCHA:1;
(MSC&MSS)
Check the charging unit’s work status.检查计费单元工作状态
ZISI:,HLRU; (HLR)
ZISI:,ACU; (HLR)
ZIWX
(MSC&MSS /HLR)
Check if the state of any of WDU is other than WO-BU.检查是否有任何WDU不在WO-BU状态
If there is any, try to change the state to WO-BU and try tolistthe directory of the disk usingZIWX::::%,%;command.如果有，试着使其改变到WO-BU状态，并用ZIWX....”命令检查磁盘目录
Try to resolve the notices/disturbances by reffering Alarm Manual.根据告警手册解决notices/disturbaces
If unable to solve the Alarm, contact Nokia Help Desk.如果无法解决，向Help Desk求助
Physically check the Disk and SCSI cables.手动检查磁盘及SCSI电缆
If the problem still exists, Contact Nokia Help Desk.如果还有问题，向Help Desk求助
8.状态
Check the Signalling Netowork status.
Diagnose the concerned unit.诊断相关单元
Change the faulty PIU then diagnose.更换故障单元板件然后诊断
If unable to solve the problem, contact Nokia Help Desk.如果无法消除告警，向HelpDesk求助
If not, check the corresponding PCM link and the Clock Synchronisation Unit.如果不是，检查对应PCM链接和同步时钟单元
If not OK, delete the synchronization input, and create it again and modify the priority (1~10) parameter, and check it again.
If unable to resolve thealarm, contact NokiaHelpDesk.如果不能解决，向Help Desk求助
2.
Check Alarm history
检查告警历史记录
ZAHP; (MSC&MSS /MGW)
Check the alarm history data, including all alarm events: alarm and cancellations of alarms, disturbances and notices and save in a log file.检查告警历史数据，包括所有告警事件：告警、告警清除、扰动和通知，并保存成日志文件
ZMII; (HLR)
ZMAI; (HLR)
Recordthe data in rush hour.记录下忙时的系统VLR和HLR/AUC数据
12.
Check the Synchronisation status (MSC/HLR)同步状态(MSC/HLR)
ZDRI;
(MSC&MSS/HLR)
ZDYI;(MGW)
4.
Check association status
检查关联状态
ZOYI::A;
检查association set和association的状态.
检查主,备用IP地址是否与信令单元一致.
5.
Check VMGW status
检查虚拟MGW状态
ZJGI;(MSS)
ZJVI:VID=0&&49;(MGW)
如果有链路不是WO-EX，试着lock及unlock这条链路
Check corresponding CCSU/SIGU, ET, PCM etc.Swap CCSU/SIGU s.
检查CCSU/SIGU的状态，并倒换CCSU/SIGU
If the problem still exists, Contact Nokia Help Desk.如果还有问题，向Help Desk求助
Display the alarm history on the basis of the object unit, alarm class, or alarm number, furthermore, you can use the date and time to define the period to be printed out.可以基于单元，告警级别和告警号码输出告警，也可以定义日期和时间来输出告警
Iftheproblem still exists, diagnose the concerned disk unit (Maintenance Manual Ref./1/).如果问题仍然存在，诊断相关的磁盘试着解决该问题
If diagnose is OK, please record the G-List/P-List (Service Terminal command: ZMBLG/ZMBLP), then format WDU again after change it into TE-EX. If G-List value change, it’s strongly recommended to change another WDU.如诊断正常，请使用ST指令记录硬盘的G-List/P-List值，然后更改成TE-EX状态后格式化硬盘，如G-List值发生变化，强烈建议更换硬盘。
7.
Check theWDUworking statesin computer units and R/W operation.
检查各单元硬盘的工作状态和读写操作
ZISI:,OMU; (MSC&MSS)
ZIHI;(MGW)
ZISI:,STU; (MSC&MSS)
ZISI:,CHU; (MSC&MSS)
诺基亚交换机常用指令集
TASK DESCRIPTION AND PURPOSE
任务及其目的
MML-command
MML命令
Actions Needed
具体措施
1.
Print out active alarm daily
输出每日告警
ZAHO; (MSC&MSS)
ZAAP;(MGW)
Check if any new alarms exist without acceptable reason.检查是否有不明原因的新告警
If the problem still exists, Contact Nokia Help Desk.如果还有问题，向Help Desk求助
10.
Check the data channels status.
检查数据信道的状态。
ZQSI;