24(42)
Datum/Date
Rev
Dokumentnr/Documentnr
Uppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved
Kontr/Checked
Tillhör/Referens-File/Reference
1999-07-15
F
1545-ASB 150 02 Uen
FAULT TRACING DESCRIPTION
Faktaansvarig - Subject responsible
2.12
Flow chart: PBX is unstable
Continous restarts?
START
Restarts
once or twice a
day or less?
Y
Y
N
before going into
operation (yellow and
green LEDs
Restarts
on) ?
Determine under which condi-
tions restarts occur and select a
time when these do not occur to
avoid restart during service.
Connect to RASC
Y
Remove boards
one by one. PBX goes
into operation?
Y
Replace faulty board
Fault remains?
N
AA
N
N
Verify
Valid revision states?
states (see point 4.15)
all board revision
Read
warnings logged relating
warning log. Are
to the fault?
Update to
latest revision state.
Fault remains?
Build
prising one cabinet
successful?
mini-PBX com-
and one CPU-D. Connect
RASC.Connection
Y
N
Report
fault
(see point 4.13)
Follow measures
recommended in RASC.
Fault remains?
Y
Y
AA
Y
Y
N
N
N
Y
N
AA
AA
=
Go to " Completion of service" on page 31
AA
