诺西故障处理案例库

一体化代维项目试点课题研究成果

故障处理案例库

中国移动通信集团福建有限公司

二○一二年四月

目录：

1基站专业 (5)

1.1天馈类 (5)

1.1.1.Antenna connection faulty. (5)

1.1.2.Rx levels differ too much between main and diversity antennas (6)

1.1.3.RSSI detected Rx signal difference exceeding threshold (7)

1.1.4.ERxx DDU module has detected VSWR above minor limit at A (Or B) (8)

1.1.5.ECxx RTC module has detected VSWR above major limit at antenna (10)

1.1.6.RF module detected VSWR above major limit (11)

1.1.7.The reflected power of remote tune combiner is too high (12)

1.1.8.CHANNEL FAILURE RATE ABOVE DEFINED THRESHOLD (13)

1.1.9.MEAN HOLDING TIME BELOW DEFINED THRESHOLD (15)

1.1.10.EXCESSIVE TCH INTERFERENCE (16)

1.1.11.BTS WITH NO TRANSACTIONS (18)

1.2基站硬件类 (19)

1.2.1Oven oscillator adjustment function interrupted (19)

1.2.2ESMA System module has lost connection to ESEA System Extension module (20)

1.2.3ESMx System module has lost connection to all modules on optical ports (21)

1.2.4FBUS HW failure (22)

1.2.5LAPD failure (23)

1.2.6ECxx RTC module received insufficient Tx power (24)

1.2.7EXxx TRX module Tx power overdriven at DPC (25)

1.2.8ERxx DDU module has detected no Tx power at TxB input (26)

1.2.9RF Module has detected no TX power in internal filter block (27)

1.2.10The RF receiver frequency hopping synthesizer 1 is not locked (27)

1.2.11The transmitter output power has dropped at least 3 dB (28)

1.2.12EXCESSIVE TCH INTERFERENCE (29)

1.2.13CHANNEL FAILURE RATE ABOVE DEFINED THRESHOLD (30)

1.2.14The tuning of a cavity has failed in remote tune combiner (31)

1.2.15Tuning carrier is not detected in remote tune combiner (32)

1.2.16The synthesizer in remote tune combiner is faulty (33)

1.2.17There is disturbance in the serial DL bus or bus is broken (34)

1.2.18Performance of the main branch LNA in remote tune combiner is degraded (34)

1.2.19ECxx RTC module cavity tuning synthesizer faulty (35)

1.2.20Master TRX detected that connection to slave TRX is lost (36)

1.2.21Interface problems between O&M and DSP SW (36)

1.2.22Baseband bus major operation error occurred in ESMx System module (37)

1.2.23EXxx TRX module SW download from ESMA System module failed (38)

1.2.24Power unit input voltage fault (39)

1.2.25Supply voltage to ESMA near low/high limit (39)

1.2.26No connection to power unit (40)

1.2.27Power unit input voltage fault (41)

1.2.28EXxx TRX module cooling fan(s) report no rotation (41)

1.2.29ESEA System Extension Module fan(s) out of order (42)

1.2.30ESMA System module has detected no fans (43)

1.2.31TSxx temperature is dangerously high (44)

1.2.32RF module ambient temperature outside operating range (44)

1.2.33Cabinet door is open./Cabinet cover is open (45)

1.3基站数据配置类 (46)

1.3.1Commissioned RF cabling does not match BTS configuration (46)

1.3.2Mismatch between BSC/MMI configuration file and the actual (46)

1.3.3TRX object allocation failed in RF module (47)

1.3.4Too few antennas available for Rx diversity (48)

1.3.5PDU control has switched off ECxx RTC Module (49)

1.3.6ESMA System module has lost connection to FSEx External Alarm (49)

1.3.7Module power cable connections are incorrectly configured (50)

1.3.8ERxx DDU module connected to wrong EXxx TRX module (51)

1.3.9TRX is stuck in waiting for system information state (52)

1.3.10Configuration of BCF Failed (53)

1.4基站传输类 (54)

1.4.1.PCM FAILURE (54)

1.4.2.Difference between PCM and base station frequency reference (54)

1.4.3.FAR-END ALARM (55)

1.4.4.FREQUENCY ERROR/ LOSS OF INCOMING (56)

2数据专业 (58)

1 基站专业

1.1天馈类

1.1.1.Antenna connection faulty.

1.1.

2. Rx levels differ too much between main and diversity antennas

1.1.3.RSSI detected Rx signal difference exceeding threshold

1.1.4.ERxx DDU module has detected VSWR above minor limit at A (Or B)

1.1.5.ECxx RTC module has detected VSWR above major limit at antenna

1.1.6.RF module detected VSWR above major limit

1.1.7.The reflected power of remote tune combiner is too high

1.1.8.CHANNEL FAILURE RATE ABOVE DEFINED THRESHOLD

1.1.9.MEAN HOLDING TIME BELOW DEFINED THRESHOLD

1.1.10.E XCESSIVE TCH INTERFERENCE

1.1.11.B TS WITH NO TRANSACTIONS

1.2基站硬件类

1.2.1 Oven oscillator adjustment function interrupted

1.2.2ESMA System module has lost connection to ESEA System Extension module