Toshiba Strata Xiie, Strata Xxe Electronic Key Telephone Systems Installation And Maintenance Manual

							CHART NO. 7 
DSS FAULTS 
Fr0lll 
n DSS 
Page 5 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
YES 
with the EKT 
Replace the 
DSS console. 
YES Tag the 
defectwe 
unit and return 
for repaIr. 
END 
-15-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 7 
DSS FAULTS (cont.1 
Verify the cable 
by connecting the 
DSS console 
directly to HCBU. 
YES Repair or 
replace the 
defective wiring. 
EN0 
Replace the 
HCAU/CAAU 
(refer to 
Paragraph 05.01). 
YES 
l 
Replace the 
v 
c”” 
Replace the 
HCBU #1. 
t 
Tag the 
defective unit(s) 4 YES 
and return 
for repair. 
ch F 
assistance. 
-16-  
						

							CHART NO. 8 
AUTOMATIC DIALING FAULTS 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
Start here to 
clear Automatic 
Dialing faults. 
Reprogram 
as required. 
NO 
f 
Reolace the ‘I 
END  From 
ADL 
Q 
Page 5 
here from the NO Go to Page 4 
to classify 
fault. 
I 
HC/+JlCAAU 
(refer to 
Paragraph 05.01). 
1. Perform the 
initialization Tag the 
> defective unltk) 
and return 
for repair. 
proceeding. 
2. Reprogram 
as required. 
I 
t c 
i; END ) 
Call the Serwce 
Center for 
assistance. 
-17-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 9 
MOH, BGM, PAGE & RELAY SERVICE FAULTS 
Start here to 
clear faults with 
Music-on Hold, 
Background Music, 
Paging, Relay 
Service. From 
MBP 
1 0 
Page 5 
here from the NO 
YES 
i 
l Verify external 
equipment. 
l Verify programming. Go to Page 4 
to classify 
fault. 
NOTE: Programming 
is not effective until 
1 it IS securea m 
__-_-_________--- 
working memory 
per Paragraph 
02.06 in Section 
. E)cAnlsr0 th.3 I 
1 NO 
YES 
Replace the 
HCOU. 
Replace the HINU. 
(If an SMOU is installed, 
replace it first.) NO 
YES (See Paragraph 10.93 
of Section 400-020-200.) 
I 
t Tag the 
defective PCBk.) 
and return 
for repair. 
-1 a-  
						

							FAULT FINDING 
SECTION 300-020-500 
CHART NO. 9 DECEMBER 1986 
MOH, BGM, PAGE & RELAY SERVICE FAULTS (cont.) 
From 
NOTES: 
1. Perform the 
initialization 
sequence before 
proceeding. 
2. Reprogram as 
rewired. Replace the 
HCAUICAAU 
Paragraph 05.01). 
Tag the defective 
PCBk) and return 
for repair. 
23 EN0 
-19-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 10 
SMDR FAULTS 
------------------ 
Verify the following: 
l Printer operation. 
l Cable connection. 
YES 
HCAUICAAU 
/ the fault 
Call the Service 
Center for 
assistance. 
0 END 
-2o-  
						

							CHART NO. 11 
OPX FAULTS 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
FKWll 
OPX 
I 0 Page 5 
here from the 
NO c Go to Page 4 
to classify 
fault. 
Replace the 
HOX;,  appropriate 
IN0 
NO Replace the 
MRGU. 
Replace 
HSTU #2. 
YES _ Tag the 
~ defective unit(s) 
and return 
for repair.  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 12 
OPL FAULTS 
From 
here from 
the Go to Page 4 
to classify 
fault. 
-1-0 - 
NO 
Rewire the 
HOLB * 
correctly. NO Strap the 
v- 
HPLU 
correctly. 
Replace the NO 
HPLU. -4 
NO 
Replace the YES 
c 
HOLB. 
Call the 
Service Center 
for assistance.  
						

							CHART NO. 12 
OPL FAULTS (cont.) 
From 
Replace that 
OPL station. 
YES 
A- Verify wiring 
between HOLB 
and that OPL 
station. 
- Lr 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
YES i 
NO 
-23-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 13 
DOOR PHONE FAULTS 
-24-