Pstu Faults; Chart No. 11 - Toshiba Strata DK24 Installation And Maintenance Manual

STRATA DK FAULT FINDING
SECTION 400-096-500
SEPTEMBER 1992
Start here to clear

PSTU faults.

NOTE:
If "Ring-Trip" is the fault, set the ring generator jumper plug
to the "L" (Low) position. The ring generator jumper plug is
equipped on the PESU and PTSU2 PCBs.

CHART NO. 11

PSTU FAULTS
From
PSTU
Page 7
Did
you arrive
NO
here from the
Fault Classification
Flowchart?
YES
Replace the
appropriate PSTU
or PESU, if used.
Is
YES
the fault
cleared?
NO
Call the
Service Center
for assistance.
-22-
Go to
Page 6 to
classify fault.
NOTE:
Verify the following:
• Programming.
• Station wiring.
• Standard telephone.
• Auxiliary device
connected to
PSTU or PESU.
Tag the
defective unit(s)
and return for
repair.
END