Toshiba Strata Dk24, Dk56, Dk96 Instruction Manual

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 6 
INTERCOM FAULTS 
/ Did  
I 
I I 
Replace the 
appropriate 
PEKU, PESU, or PDKU, 
if used. 
Tag the 
defective unit(s) 
and return for 
repair. 
23 END From 
ICl 
This 
‘3 
Page 
Replace 
the PCTU 
I NO 
Call Service Center 
for assistance. 
-14-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 7 
DSS CONSOLE FAULTS* 
here from the 
Fault Classification Go to 
Page 5 to 
classify fault. 
Reprogram 
as required. 
-5 END 
To/--l 
telephone switch in 
the DSS position? Set switch 
to DSS position. 
wiring from PEKU 
(circuits 7 and 6) 
or PDKU (circuit 8) 
and DSS/DDSS console. 
Tag the defective 
unit and return 
* Procedures also apply to digital DSS consoles. 
-15-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 7 
DSS CONSOLE FAULTS (cont.) 
Replace 
the PCTU. Replace 
the PEKU 
or PDKU. 
defective unit(s) 
and return for 
e3 END 
-16-  

Sfart here to clear 
Speed Dialing faulfs. 
STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 8 
SPEED DIAL FAULTS 
NOTES: 
1. Perform the initialization 
sequence before 
proceeding. 
2. Reprogram as required. here from the 
Fault Classification 
Replace 
the PCTU 
:-L: END 
Call the 
Service Center 
for assistance. 
(i> END 
-17-  

STRATADKFAULTFINDING 
SECTION 200-096-500 
FEBRUARY1991 
CHARTNO. 
MOH, BGM, PAGE & RELAY FAULTS 
Start here to 
c/ear faults wifh 
Music-on-Hold, ------ 
Background Music, 
Paging. From 
MBP 
Page 6 
-----9 
- Verify external 
equipment. 
1 /  - Verify pr;mming 
on one CO/PBX the PCOU. 
T 
YES 
Tag the 
defective PCB(s) 
and return for 
repair. 
.^ 
.: 
. 
23 END 
-I& 
:  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 9 
MOH, BGM, PAGE & RELAY FAULTS (cont.) 
- Verify external 
only over external b equipment. 
* Verify programming. 
Replace 
the PCTU. 
Tag the 
defective part(s) 
and return for 
repair. 
/ 
Replace PIOU or 
l-----l 
PEPU or PIOUS PCB, 
if used. 
L 
Call the 
Service Center for 
assistance. 
-19-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 10 
SMDR FAULTS 
From - 
/ MDR  
Start here to clear 
SMDR faults. ______ Page 6 
---------;;i 
here from the 
Fault Classification 
* Switch settings (PIOU or PIOUS) 
or PIOUS. 
I 
Replace 
the PCTU. 
1 
I 
NOTES: 
1. Perform the initialization 
sequence before 
proceeding. 
2. Reprogram as required. 
Tag the 
defective unit(s) 
and return for 
repair. 
I 
END 
Call the 
Service Center 
for assistance. 
-2o-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 11 
PSTU FAULTS 
Go to 
Fault Classification 
NOTE: 
Verify the following: 
- Programming. 
. Station wirina. 
- Standard telephone. 
- Auxiliary de vice 
appropriate PSTU 
or PESU, if used. 
Tag the 
defective unit(s) 
and return for 
Ir’, END 
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 PEW and PTSU2 PCBs. 
-21-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
Start here to c/ear 
Door Phone faults. 
CHART NO. 12 
DOOR PHONE FAULTS 
______---_____ 
Y I YES 
[YES 
-22-  

STRATA DK FAULT FINDING 
SECTION 200-096-500 
FEBRUARY 1991 
CHART NO. 12 
DOOR PHONE FAULTS (cont.) 
Replace the 
door phone. Program system 
for DP output. 
Verify HDCB 
strapping and wiring 
(correct if necessary). 
Service Center 
for assistance. From 
Replace 
1 the HDCB. [ @ 
Tag defective unit(s) 
and return for repair. 
CL, END 
-23-