PRELIMINARY
Maintenance and Spare Parts
Fault Tracing Guidelines
Table 13
LED status
Possible cause
Suggested action
External power failure.
Check RBS status, see Table
18 on page 147.
Fuse(s) blown.
Replace the fuses, see
Section 5.3.2 on page 110.
Cabinet faulty.
Replace the cabinet, see
Section 5.3.1 on page 95.
Fault
Operational
Local Mode
Power On
P005393A
AC power fault
Use the OMT to monitor
fault(s).
P005392A
Fault
Operational
Local Mode
Power On
Running on Base application.
Try to reload BTS software.
Internal fault
Cabinet HW fault.
Replace the cabinet according
to instructions in chapter
Maintenance.
P005394A
Fault
Operational
Local Mode
Power On
Running on Base application.
The BSC is currently
reloading BTS software.
Wait approximately one
hour(do not press any button).
Then, if the Fault LED is still
flashing, try to reload BTS
software manually or replace
the cabinet.
Software fault
IDB is corrupt.
Reinstall IDB.
LZN 302 14
P3A-1
1999-11-10
91 (158)
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