Fault Isolation Flowcharts - Toshiba STRATA DK14 Installation And Maintenance Manual

Fault Finding

Fault Isolation Flowcharts

Fault Isolation Flowcharts
The following troubleshooting flowcharts are available to aid in fault isolation. Toshiba
recommends reading the previous text in this chapter before proceeding to
14-10 to begin fault isolation.
Flowchart 14-1
system completely
non-operational?
14-10
Fault Classification
START
Please read
Chapters 2 and 3
before
proceeding.
Is the
Yes Go to
Flowchart
14-2
No
Yes
Go to
Is it a station
Flowchart
no dial tone
14-3
fault?
No
Is it a CO
Go to
Yes
line no dial
Flowchart
tone fault?
14-4
No
Is a DSS
Go to
Yes
console non-
Flowchart
operational?
14-5
No
Is it a
Yes Go to
voice mail/auto
Flowchart
attd fault?
14-6
No
Yes Go to
Is it
Flowchart
an SMDR
14-7
fault?
No
1-1
Flowchart 14-1 on Page
1-1
Is it a
Yes Go to
remote
Flowchart
maintenance
14-8
fault?
No
Go to
Is the fault
Yes
appropriate
classified on
Flowchart
this page?
14-1~14-12
No
Call your
technical support
group.
1879
Strata DK I&M 6/00