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

							CHART NO. 13 
DOOR PHONE FAULTS 
(cont.) 
From 
DP2 
Q 
Page 24 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
NO Program system 
to the DP, will EKT programmed for the 
c for DP 
HDCB output the 
output 
I 
Replace the 
Door Phone. 
Call the Service 
Center for 
assistance. NO Replace the 
HDCB. 
Tag defective Door 
Phone or Door Phone 
Control Unit and 
return for repair. 
23 END 
-25-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHARP NO. 13 
BOOR PHONE FAULTS (cont.1 
NO YES 
over DP from any other HDCB 
I 
YES NO 
I YES 
NO I NO 
t 
Recheck HDCB 
output 
programming. Program system 
YES 
c3 END 
. 
-26-  
						

							CHART NO. 14 
TIE LINE (HTIB) FAULTS 
here from the Go to Page 4 
t0 
classify fault. 
Verify 
c 
programmlng. 
1 
FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
required. 
Contact TE LCO 
to repair line 
(or, if private 
line, repair line). YES 
replace the 
MRGU. 
-27-  
						

							FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
CHART NO. 14 
TIE LINE (HTIB) FAULTS 
(cont.) 
NO Restrap HPLU 
for TIE line 
operation. 
Call the 
Service Center 
for assistance. 
-28-