Fault Isolation Flowcharts; Flowchart 9-1 Fault Classification - Toshiba Strata DK40 Installation & Maintenance Manual

Fault Finding

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 Flowchart 9-1 to
begin fault isolation.

Flowchart 9-1 Fault Classification

Please read
Chapters 1 and 2
proceeding.
system completely
non-operational?
Is it a station
no dial tone
an Exchange
line no dial tone
console non-
operational?
voice mail/auto
attd fault?
an SMDR
9-8
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
START
before
Is the
Yes
Go to
Flowchart
9-2
No
Yes
Go to
Flowchart
9-3
fault?
No
Is it
Go to
Yes
Flowchart
9-4
fault?
No
Is a DSS
Go to
Yes
Flowchart
9-5
No
Is it a
Yes Go to
Flowchart
9-6
No
Yes Go to
Is it
Flowchart
9-7
fault?
No
1-1
Fault Isolation Flowcharts
1-1
Is it a
Yes
remote
maintenance
fault?
No
Is the fault
Yes
classified on
this page?
No
Call your
technical support
group.
Strata DK40 I&M Spring 1999
Go to
Flowchart
9-8
Go to
appropriate
Flowchart
9-1~9-8
1879