3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
ALARM RESP SEVERITY
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
ACTION
7650
BASE STATION
FAULTY
No connection to Flexi
transport submodule
BSS
SA
1.Check the DC Power
2. Check the interface cablings as per txn plan & E1 Path from
No connection to Flexi transport
WBTS will be down Node-B to axc and RNC
submodule
3. Reset System Module If it is not clear , Replace Transport
Module in System Module
7651
BASE STATION
OPERATION
DEGRADED
BTS reference clock
missing
BSS
SD
BTS reference clock missing
Service Degraded
7651
BASE STATION
OPERATION
DEGRADED
BTS RNC/I-HSPA
interface signalling link
failure
BSS
SA
NBAP/AAL2 signalling link
failure
1. Check the dc power
2.Check the Transmission path between AXC to NODE-B/AXC
to RNC(i.e,,loop and break Check up and errors)
WBTS will be down 3.Check the IMA configration between AXC and RNC
4.Cross verIfy the configration details as per plan and Do recommissioning the NODE-B.
5.If Above points are OK, Replace System Module
7651
BASE STATION
OPERATION
DEGRADED
System module failure
BSS
SA
Abnormal functioning of FSM
WBTS will be down
7652
BASE STATION
NOTIFICATION
BTS requires restart
because license status has
changed
BSS
SA
After licence installation BTS not Mentioned licence
Restart BTS.
given restart
feature will not work
7652
BASE STATION
NOTIFICATION
BTS time not corrected
BSS
NSA
7652
BASE STATION
NOTIFICATION
Difference between BTS
master clock and
reference frequency
BSS
SD
7652
BASE STATION
NOTIFICATION
Fan failure
BSS
NSA
7652
BASE STATION
NOTIFICATION
Heating element not
working
BSS
SD
The heater control connection of
the FSM is faulty, there is no
Service Degraded
heater or the heater is faulty.
1.Check whether the heating element exists in FSM ( System
Module )
2.Check the heater control connection and that the heater
working status
3.If
above points are OK Replace the System ( FSM ) module.
7652
BASE STATION
NOTIFICATION
SD
The internal temperature of the
RF Module or System Module
exceeds the threshold value, or
Service Degraded
the ambient temperature of the
module(s) is outside the
specified limits.
1.Check the Shelter Temp
2. S/M Module & RF module Temperature
3. Check the Fan unit working state.
4.If above point are OK , then shutdown the BTS few minutes &
Switch ON with Normal Temperature before replace the System
Module
1.Check the Optical cable connecton between FSM ( System
Module ) & FRGP ( RF Module )
2.Check the
Optical Cable Connector ( SFB Module )
3.Reset the System Module FSM
4. Reset the FRGP ( RF Module )
5.Replace the optical cable before replace the FRGP ( RF
Module )
Temperature alarm
BSS
1. Check the SYNC configured E1 interface status
2.Check the E1 Error performance towards RNC
3.Check SYNC Configuration in Node-B
4.Still alarm Persists,Check the FTIB Card.
1.Check the Shelter Temp
2. S/M Module Temperature
3. Check the Fan unit working state.
4.If above point 2 & 3 are OK , then replace the System Module
NTP Server IP mismatch
Real Time
Measurement
update will not be
there
1.Check the Node-B NTP Server IP If any mismatch ( It should
be same as OMS IP ) , Correct the NTP server IP in Node-B
DAC Value variations
Call Qulaity issue
like Call Drop ,
Handover
Set DAC value to 2048 in Node-B
H/W Faulty
1.Check the Aircon Working status & Shelter Temp
Temparature will be
2.Check the Fan unit status in System Module ( FSMA )
increased
3. If above points are OK , then replace the System Module
7653
CELL FAULTY
Failure in optical RP3
interface
BSS
SA
Abnormal/ failure in optical
cable between FSM & FRGP
Cell Down
7653
CELL FAULTY
Incompatible SW version
detected
BSS
SA
SW Mismatch of BTS
Cell Unlocking Issue Recomission BTS with Correct SW version
7653
CELL FAULTY
RF module failure
BSS
SA
Abnormal functioning of FRGP
Cell Down
1.Check the Optical cable connecton between FSM ( System
Module ) & FRGP ( RF Module )
2.Check the
Optical Cable Connector ( SFB Module )
3.Reset the System Module FSM
4. Reset the FRGP ( RF Module )
5.Replace the optical cable before replace the FRGP ( RF
Module )
7653
CELL FAULTY
VSWR alarm
BSS
SA
High VSWR
Cell Down
Check the VSWR, should be less than 1.3
3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
7654
CELL
OPERATION
DEGRADED
7654
CELL
OPERATION
DEGRADED
Rx signal level failure
7655
CELL
NOTIFICATION
7661
RF module failure
ALARM RESP SEVERITY
BSS
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
Service Degraded
ACTION
1.Check the Optical cable connecton between FSM ( System
Module ) & FRGP ( RF Module )
2.Check the
Optical Cable Connector ( SFB Module )
3.Reset the System Module FSM
4. Reset the FRGP ( RF Module )
5.Replace the optical cable before replace the FRGP ( RF
Module )
SD
Abnormal functioning of FRGP
BSS
SD
The RX signal level is less than 112dBm or the difference
between the maximum and
minimum power levels of all RX Service Degraded
antennas in the same cell and
sector is more than the limit (4
dB).
Check the respective alarm related sector VSWR , RF cables &
Antenna needs to be Check.
Radio resources switched
off
BSS
SA
As per site configuration H/W
mismatch/unavailability
Cell Down
1. Check the Respective Sector creation in RNC
2. Check the respective sector H/W availbilty at site
BASE STATION
LICENCE
NOTIFICATION
HW capacity too low for
feature 308, Licence
Based BTS channel c
BSS
NSA
Based on H/W Installed based
license
No Impact
1.This alarm will appear follwing conditions like - a) Installed
license dIffer with H/W Capacity
b) Particular
H/W License missing
2. Check with GNSC and Delete Or implement the licenses as
per requirement.
7661
BASE STATION
LICENCE
NOTIFICATION
Licence missing
00000001125, Flexi
WCDMA BTS 60W Power
License
BSS
SA
During NodeB commissioning
seleted 60W power for sector.
Cell Down
1. Check Node-B Sector Power configuration
2.Cross Check RNC side Sector Power configuration
3. Set Node-B Sector Power 20W.
7661
BASE STATION
LICENCE
NOTIFICATION
Licence missing
0000000306, HSDPA
16QAM SW Licence
Support
BSS
SA
HSDPA License Missing Or Cell Data call will be
Down
affected
1. Check HSDPA License of the Node-B.
2. If License missing . Please call GNSC and implement
required licese.
7661
BASE STATION
LICENCE
NOTIFICATION
Licence missing
0000000307, HSDPA
Proportional Fair Resource
Pac
BSS
NSA
License missing
No Impact
Respective Licence Needs to be installed in NE
7661
BASE STATION
LICENCE
NOTIFICATION
Licence missing
0000000649, Shared
HSDPA Scheduler for
Baseband
BSS
NSA
License missing
No Impact
Respective Licence Needs to be installed in NE
7661
BASE STATION
LICENCE
NOTIFICATION
Verification of target ID
failed 3 times.
BSS
SA
Hanged/config issue/comm
issue(Degradation of system
module)
WBTS will be down
1.Check the NODE-B Liscense
2. Re-commission the Node-B
7665
BASE STATION
TRANSMISSION AIS on unit 1, interface 1.
ALARM
Txn
SD
Alarm indication singnal
Service Degraded
7665
BASE STATION
TRANSMISSION AIS on unit 1, interface 2.
ALARM
Txn
SD
Alarm indication singnal
Service Degraded
7665
BASE STATION
TRANSMISSION AIS on unit 1, interface 3.
ALARM
Txn
SD
Alarm indication singnal
Service Degraded
7665
BASE STATION
TRANSMISSION AIS on unit 1, interface 4.
ALARM
Txn
SD
Alarm indication singnal
Service Degraded
7665
BASE STATION
EBER on unit 1, interface
TRANSMISSION
2.
ALARM
Txn
SD
Exxesive bit error ratio on
interface
Service Degraded
1.Check the e1 interface connectivity at PDH port
2.Check PDH port configured up to Axc as per plan
3.Check the E1 path continuity(i.e..without any Break and
alarm)
4.Check the E1 included with same IMA group at AXC end
5.reconfigure the E1 at AXC end
6.If Alarm persists, Change the E1 PDH port.
1.Check the e1 interface connectivity at PDH port
2.Check PDH port configured up to Axc as per plan
3.Check the E1 path continuity(i.e..without any Break and
alarm)
4.Check the E1 included with same IMA group at AXC end
5.reconfigure the E1 at AXC end
6.If Alarm persists, Change the E1 PDH port.
1.Check the e1 interface connectivity at PDH port
2.Check PDH port configured up to Axc as per plan
3.Check the E1 path continuity(i.e..without any Break and
alarm)
4.Check the E1 included with same IMA group at AXC end
5.reconfigure the E1 at AXC end
6.If Alarm persists, Change the E1 PDH port.
1.Check the e1 interface connectivity at PDH port
2.Check PDH port configured up to Axc as per plan
3.Check the E1 path continuity(i.e..without any Break and
alarm)
4.Check the E1 included with same IMA group at AXC end
5.reconfigure the E1 at AXC end
6.If Alarm persists, Change the E1 PDH port.
1.Check All Electrical E1 Patching(kroning) in the path .
2.Check the E1 path continuity(i.e..without any alarm)
3.Check the E1 cable between PDH port to NODE-B.
4.Still Alarm persists,Change the E1 Cable
3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
ALARM RESP SEVERITY
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
ACTION
7665
BASE STATION
EBER on unit 1, interface
TRANSMISSION
3.
ALARM
Txn
SD
Exxesive bit error ratio on
interface
Service Degraded
1.Check All Electrical E1 Patching(kroning) in the path .
2.Check the E1 path continuity(i.e..without any alarm)
3.Check the E1 cable between PDH port to NODE-B.
4.Still Alarm persists,Change the E1 Cable
7665
BASE STATION IMA link out of delay
TRANSMISSION synchronization on unit 1,
ALARM
interface 1.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION IMA link out of delay
TRANSMISSION synchronization on unit 1,
interface 2.
ALARM
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION IMA link out of delay
TRANSMISSION synchronization on unit 1,
ALARM
interface 3.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION IMA link out of delay
TRANSMISSION synchronization on unit 1,
ALARM
interface 4.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION IMA remote failure
TRANSMISSION indication on unit 1,
ALARM
interface 1.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
3. All above are OK,Reconfigure E1 at AXC end.
7665
BASE STATION IMA remote failure
TRANSMISSION indication on unit 1,
ALARM
interface 2.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
3. All above are OK,Reconfigure E1 at AXC end.
7665
BASE STATION IMA remote failure
TRANSMISSION indication on unit 1,
interface 3.
ALARM
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
3. All above are OK,Reconfigure E1 at AXC end.
7665
BASE STATION IMA remote failure
TRANSMISSION indication on unit 1,
ALARM
interface 4.
Txn
SD
Degraded signal
Service Degraded
1.Check IMA E1 configration
2.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
3. All above are OK,Reconfigure E1 at AXC end.
7665
BASE STATION License missing for feature
TRANSMISSION Additional 2 E1, T1, JT1
ALARM
interface o
BSS
SA
This basic license missing
WBTS will be down
1. Check Basic License of the Node-B and implement through
GNSC.
7665
BASE STATION
License missing for feature
TRANSMISSION
UBR+.
ALARM
BSS
SA
HSDPA License Missing
Cell Down
1. Check HSDPA License of the Node-B.
2. If License missing . Please call GNSC and implement
required licese.
7665
BASE STATION
LOCD on unit 1, interface
TRANSMISSION
1.
ALARM
Service Degraded
1.ATM E1 mapping has to cross Check as per Planning Sheet at
ECI and AXC end.
2.Check the E1 interface connectivity at NODE-B as per plan
3.Check whether the E1 configured in the same IMA group as
per plan
4.Delete and recreate respective E1 at AXC.
7665
BASE STATION
LOCD on unit 1, interface
TRANSMISSION
2.
ALARM
Service Degraded
1.ATM E1 mapping has to cross Check as per Planning Sheet at
ECI and AXC end.
2.Check the E1 interface connectivity at NODE-B as per plan
3.Check whether the E1 configured in the same IMA group as
per plan
4.Delete and recreate respective E1 at AXC.
7665
BASE STATION
LOCD on unit 1, interface
TRANSMISSION
3.
ALARM
Txn
SD
Degraded signal
Service Degraded
1.ATM E1 mapping has to cross Check as per Planning Sheet at
ECI and AXC end.
2.Check the E1 interface connectivity at NODE-B as per plan
3.Check whether the E1 configured in the same IMA group as
per plan
4.Delete and recreate respective E1 at AXC.
7665
BASE STATION
LOCD on unit 1, interface
TRANSMISSION
4.
ALARM
Txn
SD
Degraded signal
Service Degraded
1.ATM E1 mapping has to cross Check as per Planning Sheet at
ECI and AXC end.
2.Check the E1 interface connectivity at NODE-B as per plan
3.Check whether the E1 configured in the same IMA group as
per plan
4.Delete and recreate respective E1 at AXC.
Txn
Txn
SD
SD
Degraded signal
Degraded signal
3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
ALARM RESP SEVERITY
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
ACTION
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
Service Degraded
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Above are OK,change the PDH E1 port at Dropping point.
7665
BASE STATION
TRANSMISSION LOF on unit 1, interface 1.
ALARM
7665
BASE STATION
TRANSMISSION LOF on unit 1, interface 2.
ALARM
7665
BASE STATION
TRANSMISSION LOF on unit 1, interface 3.
ALARM
7665
BASE STATION
TRANSMISSION LOF on unit 1, interface 4.
ALARM
7665
BASE STATION
LOMF on unit 1, interface
TRANSMISSION
2.
ALARM
7665
BASE STATION
LOMF on unit 1, interface
TRANSMISSION
3.
ALARM
7665
BASE STATION
TRANSMISSION LOS on unit 1, interface 1.
ALARM
Txn
SD
Incoming signal missing
Service Degraded
7665
BASE STATION
TRANSMISSION LOS on unit 1, interface 2.
ALARM
Txn
SD
Incoming signal missing
Service Degraded
7665
BASE STATION
TRANSMISSION LOS on unit 1, interface 3.
ALARM
Txn
SD
Incoming signal missing
Service Degraded
7665
BASE STATION
TRANSMISSION LOS on unit 1, interface 4.
ALARM
Txn
SD
Incoming signal missing
Service Degraded
7665
BASE STATION
Loss of IMA frame on unit
TRANSMISSION
1, interface 1.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check the transmission path errors
2.Check the Electrical E1 port to NODE-B interface cable
connector
3.Reconfigure the E1 from AXC to NODE-B
4.Above are OK,RESET the NODE-B
7665
BASE STATION
Loss of IMA frame on unit
TRANSMISSION
1, interface 2.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check the transmission path errors
2.Check the Electrical E1 port to NODE-B interface cable
connector
3.Reconfigure the E1 from AXC to NODE-B
4.Above are OK,RESET the NODE-B
7665
BASE STATION
Loss of IMA frame on unit
TRANSMISSION
1, interface 3.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check the transmission path errors
2.Check the Electrical E1 port to NODE-B interface cable
connector
3.Reconfigure the E1 from AXC to NODE-B
4.Above are OK,RESET the NODE-B
7665
BASE STATION
Loss of IMA frame on unit
TRANSMISSION
1, interface 4.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check the transmission path errors
2.Check the Electrical E1 port to NODE-B interface cable
connector
3.Reconfigure the E1 from AXC to NODE-B
4.Above are OK,RESET the NODE-B
Txn
Txn
Txn
Txn
Txn
Txn
SD
SD
SD
SD
SA
SD
Lose of frame
Lose of frame
Lose of frame
Lose of frame
Loss of mltiple frame
Loss of mltiple frame
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Check the E1 cable and RJ45 connecterisation
4.Above are OK,change the PDH E1 port at Dropping point.
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Check the E1 cable and RJ45 connecterisation
4.Above are OK,change the PDH E1 port at Dropping point.
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Check the E1 cable and RJ45 connecterisation
4.Above are OK,change the PDH E1 port at Dropping point.
1.Check PDH E1 termination in krone module as per equipment
standard colour code
2.Check
NODE-B interface 1&2,4&5 pairs used for Tx and Rx (RJ 45
connector)
3.Check FTIB interface working status
4.Check the E1 cable and RJ45 connecterisation
4.Above are OK,change the PDH E1 port at Dropping point.
3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
ALARM RESP SEVERITY
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
ACTION
7665
BASE STATION
PDH Timing source lost on
TRANSMISSION
unit 1, interface 1.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION
PDH Timing source lost on
TRANSMISSION
unit 1, interface 2.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION
PDH Timing source lost on
TRANSMISSION
unit 1, interface 3.
ALARM
Txn
SD
No frame transaction between
Node-B to RNC
Service Degraded
1.Check IMA E1 configration
2.Check clock Syncronisation of NODE-B
3.Check the NE(network element) timing matching with
Transmission Equipment and NODE-B and entire path
4. All above are OK,Reconfigure the E1 at ECI and AXC.
7665
BASE STATION
TRANSMISSION RDI on unit 1, interface 1.
ALARM
Txn
SD
Remote defect identification of
transmitting frame
Service Degraded
7665
BASE STATION
TRANSMISSION RDI on unit 1, interface 2.
ALARM
Txn
SD
Remote defect identification of
transmitting frame
Service Degraded
7665
BASE STATION
TRANSMISSION RDI on unit 1, interface 3.
ALARM
Txn
SD
Remote defect identification of
transmitting frame
Service Degraded
7665
BASE STATION
TRANSMISSION RDI on unit 1, interface 4.
ALARM
Txn
SD
Remote defect identification of
transmitting frame
Service Degraded
7740
BEATING
WCDMA BTS
ALARM
(blank)
BSS
NSA
Repeatation of any alarm
causes
Repeatation of any
alarm causes
7750
FAILURE IN
WCDMA WBTS
O&M
CONNECTION
(blank)
BSS
NSA
BTS Cannot be
DCN Configuration mismimatch logined remotly &
Measurements will
in NodeB/RNC/tellabs
not be updated
1.Check E1 working status and path
2. Check DCN Configrations at RNC/NodeB/Tellabs
7761
RNW O&M
SCENARIO
FAILURE
AAL2 path unblock not
accomplished
BSS
SA
CoCo/ATM Configuration
Mismatches between
NodeB/RNC/Tellabs
Cell Down
1.Check E1 working status.
2.Check CoCo/ATM Configuration Mismatches between
NodeB/RNC/Tellabs
7761
RNW O&M
SCENARIO
FAILURE
BCCH information
updating has failed
BSS
SA
CoCo/ATM Configuration
Mismatches between
NodeB/RNC/Tellabs
Cell Down
1.Check E1 working status.
2.Check CoCo/ATM Configuration Mismatches between
NodeB/RNC/Tellabs
7761
RNW O&M
SCENARIO
FAILURE
Common channel deletion
has failed
BSS
SA
CoCo/ATM Configuration
Mismatches between
NodeB/RNC/Tellabs
Cell Down
1.Check E1 working status.
2.Check CoCo/ATM Configuration Mismatches between
NodeB/RNC/Tellabs
7761
RNW O&M
SCENARIO
FAILURE
NBAP interface type
unknown failure
BSS
SA
CoCo/ATM Configuration
Mismatches between
NodeB/RNC/Tellabs
Cell Down
1.Check E1 working status.
2.Check CoCo/ATM Configuration Mismatches between
NodeB/RNC/Tellabs
7771
WCDMA CELL
OUT OF USE
Block resource request,
normal priority
BSS
SA
Cell Down
Sector down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
7771
WCDMA CELL
OUT OF USE
Common measurement
failure scenario
BSS
SA
Cell Down
Sector down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
1.Check PDH E1 port between NODE-B to Transmision
Equipment
2.Check NODE-B Tx cable and PDH E1 RX cable
3.Give Hard Loop in RJ45 connector 1&4 , 2&5 (Check los
alarm in NODE-B port)
4.Above Points are Ok,give Hard loop in PDH E1 port (Check
whether los alarm cleared at PDH E1 port)
1.Check PDH E1 port between NODE-B to Transmision
Equipment
2.Check NODE-B Tx cable and PDH E1 RX cable
3.Give Hard Loop in RJ45 connector 1&4 , 2&5 (Check los
alarm in NODE-B port)
4.Above Points are Ok,give Hard loop in PDH E1 port (Check
whether los alarm cleared at PDH E1 port)
1.Check PDH E1 port between NODE-B to Transmision
Equipment
2.Check NODE-B Tx cable and PDH E1 RX cable
3.Give Hard Loop in RJ45 connector 1&4 , 2&5 (Check los
alarm in NODE-B port)
4.Above Points are Ok,give Hard loop in PDH E1 port (Check
whether los alarm cleared at PDH E1 port)
1.Check PDH E1 port between NODE-B to Transmision
Equipment
2.Check NODE-B Tx cable and PDH E1 RX cable
3.Give Hard Loop in RJ45 connector 1&4 , 2&5 (Check los
alarm in NODE-B port)
4.Above Points are Ok,give Hard loop in PDH E1 port (Check
whether los alarm cleared at PDH E1 port)
Cancels once causing Alarm is cleared
3G-Node-B Alarm Troubleshooting
ALARM
NO
ALARM TEXT
SUPPLEMENTARY INFO
ALARM RESP SEVERITY
FAULT DESCRIPTION
Prepared By : KAR-BSS/TXN Tier-2 Team
IMPACT
ACTION
7771
WCDMA CELL
OUT OF USE
NBAP link failure
BSS
SA
Cell Down
Sector down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
7771
WCDMA CELL
OUT OF USE
Resource status indication,
cell disabled
BSS
SA
Cell Down
Sector down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
7771
WCDMA CELL
OUT OF USE
WCEL state not WO
BSS
SA
Cell Down
Sector down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
7771
WCDMA CELL
OUT OF USE
WCEL state not WO after
setup
BSS
SA
Cell Down
Cell Down
1.Check VSWR , E1 connectivity & IMA Group Working Status
in AXC side
2.Check RRU power and working status
3.Check interface connectivty between system Module to RRU
4.all are OK,change the System Module
7772
HSDPA
CONFIGURATIO RNC internal error
N FAILED
BSS
SD
Problem in transmission network
between RNC and BTS /
Service Degraded
HSDPA Configuration mismatch
1.Restart Node-B
2.If Still alarm persists, Cross Check Node-B H/W Configuration
( Action taken Needs to be change as per Supplemenrtary info )
7772
HSDPA
WBTS rejects the
CONFIGURATIO
configuration
N FAILED
BSS
SD
Problem in transmission network
between RNC and BTS /
Service Degraded
HSDPA Configuration mismatch
1.Restart Node-B
2.If Still alarm persists, Cross Check Node-B H/W Configuration
( Action taken Needs to be change as per Supplemenrtary info )
7778
WCDMA BTS
DEDICATED
MEASUREMENT
FAILURE
BSS
SA
NBAP-D link is down / NBAP-D Dedicated
module has problem(RNC
Measurement
internal)
Initialization fails
1) Lock all the cells under the BTS
2) Remove the WBTS id from the COCO
3) Add the WBTS id to the COCO again
4) Unlock these cells ( Based on Supplementary info )
7780
HSUPA FAILURE
IN WCEL
BSS
SA
A unit (or
units),taking care of
HSUPA traffic in the
WCEL can be faulty
1.Clear the cell faulty alarm based on the other dependent alarm
( This HSUPA issue related with completed Site outage ( Cell
Faulty or BASE Station Out of use ).Based on other dependent
alarm , needs to troubleshoot.
7786
WCDMA BASE
STATION OUT
OF USE
BSS
SA
WBTS will be down
1.Check the E1 interface & transmission path
2.Check the Node-B Configuration .
3. If above points are OK , the do the recommisioning the
WBTS with correct Configuration