GTE Omni Si Database Technical Practices Manual

- -
TROUBLESHOOTING
Fault isolation
. .
Fault Code Procedures
and Flowcharts
5210
Attendant Console
Attendant Console
Fault IsolationTL-130200-1001
5.0 Maintenance personnel can determine the source of most
system failures based on built-in software fault reporting. Fault
messages on the system terminal are used with standard
troubleshooting procedures to isolate problems with specific
components. Replacement or repairs can then be made. Many
times this will only involve card replacement.
5.1 A...

TL-130200-1001START
i-iCONSOLE PUSHBUTTON
AND/OR DISPLAYS DO NOT
FUNCTION PROPERLY (NOTE 1).
PUSHBUTTONS FUNCTION,
BUT ASSOCIATED LEDS
REPLACE THE 
ATT12 CARD
(CARD POSITION VARIABLE)
(NOTE 2).IF THE PROBLEM IS NOT
SOLVED, REINSTALL THE
ORIGINAL AI-l-12 CARD (NOTE
2). REPLACE THE ATTENDANT
CONSOLE.
IF THE PROBLEM IS NOT
SOLVED, REINSTALL THE
ORIGINAL CARDS AND
REQUEST ASSISTANCE.
i?ENDNOTES:
1.Before performing any work on the console, it
must be powered down.2. See paragraph 1.4.5
M-1 56
Figure...

TL-130200-1001
START+,YES
/1IS THE PROBLEM
STILL PRESENT?
YES 
,(_1BTHECARDSBEEN
YESNO
NOTE: See paragraph 
1.4.5.
Figure 5.2Attendant Console Troubleshooting Flowchart (Sheet 1 of 2)
8l87M-157 

TL-130200-1001
M-158tF THE PROBLEM IS STILL
PRESENT, REINSTALL ALL THE
ORIGINAL 
PDTMF CARDS AF;DREPLACE THE AlTENDANTCONSOLE.
IF THE PROBLEM IS STILL NOT
SOLVED, REINSTALL THE
ORIGINAL 
A-lTENDANT CONSOLE
AND REQUEST SERVICE.
C
0
]I0
B
Figure 5.2Attendant Console Troubleshooting Flowchart (Sheet 2 of 2)
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TL-130200-1001
TURN THE AllENDANT CONSOLE
OFF AND THEN BACK ON.
IF THE PROBLEM IS STILL PRESENT,
REMOVE HEADSET. REPLACE Al72
CARD (POSITION VARIABLE). THEN
REINSTATE HEADSET. IF PROBLEM
IS NOT SOLVED, REINSTALL
ORIGINAL ATT12 CARD.REPLACE THE FOLLOWING CARDS
IN SEQUENCE:
A.INCKS CARD Y/l1 (NOTES 1AND 2)
8.CPBBE CARD Y/4 (NOTE 1).
REPLACE THE FOLLOWING CARDS
IN SEQUENCE:
A.PCMFS CARD W5 OR Y/16(NOTE 1)
8.MPB85 CARD X/4 OR Y/5 (SEE
NOTE 1)
IF PROBLEM IS NOT SOLVED,
REINSTALL THE ORIGINAL CARD.
NOTES:
I1....

TL-130200-1001BLDU Unit5.2.2 Operational tests for the BLDU are contained in
TroubleshootingTL-130100-1001. Refer to Tables 5.1 through 5.3 for BLDU
Procedurestests diagnostics.
Table 5.1BLDU Station 100s Group Key TestI
STEPIOPERATIONIRESULTI
1..-
:-Depress the Hundreds Group
keys (1-l 0) across the front of
the BLDU.The Hundreds Group digit will appear in
-/-segment display for each
programmed Hundred s Group.
STEP
Table 5.2BLDU LCDs and LEDs Test
OPERATION
RESULT
1Simultaneously depress the lastAll...

TL-130200-1001Table 5.3BLDU Self-Diagnostics (Continued)
ISTEPIOPERATIONRESULT
I
2Within 5 seconds, depress key.The key number will be displayed in
hex on the 
7-segment display.
34 
.--
Continue to depress keys.Key numbers will be displayed.
Do not make a key depressionUnit will start tests over, with 1
for 5 seconds.displayed in 
-/-segment display.
5Set dipswitch 4 to OFF andDisplays will be cleared (no numbers or
replace BLDU cover..letters visible).
5210
8187M-l 61NOTE: To remove the BLDU cover,...

TL-130200-1001Featurephone5.3 Perform the procedures listed in Table 5.4 for Featurephone
Self 
-Testself-test diagnostics.
Diagnostics
Table 5.4Featurephone Self-Test Diagnostics
STEPIOPERATION
-1. .Depress and hold #.2 
-Release #.3
Select one of fhe following three
tests and continue.
RESULT(a) Receive beep
(b) “DIAGNOSTICS 
“ appears.
“WHICH TEST = 
?“ appears.I
TEST 1 - Audible Signals
OPERATION
RESULT
Depress 2(a) “AUDIBLE TEST“(b) Audible signals heard once each as
follows:
(1) Single beep
(2)...

- ._TL-130200-1001
TEST 2 
- LEDS, Feature Buttons, Keypad
STEPOPERATIONRESULT
5Depress 3.(a) “LED TEST”(b) ALL 
LEDs ON
(c) After 2 seconds, “BUTTON TEST”
NOTE: In the following tests, the
sequence described must be followed
or else a programmable error will
result.6 
-.Starting at the top left, depress(a) LED ON
and hold the feature button.(b) The specific feature programmed
is displayed.
7Release the feature button.(a) LED OFF
(b) Display remains
8
9*
Continue down the button rowsWhen the last feature...

TEST 3 - Display
STEP
11
OPERATION
Depress 4.RESULT(a) The following each appear for 2-3
seconds in sequence:
.-..
(1) “DISPLAY TEST”
(2) ALL LCDS active.
(3) Blank display(4) 
ABCDEFGHIJKLM
(5) NOPQRSTUVWXYZ
(6) 1234567890
(7) *#=/:?&.
(b) Display clears.TL-130200-1001
M-164
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