Bpt VIDEO SYSTEM 100 Troubleshooting Manual

TROUBLE SHOOTING GUIDE FOR VIDEO SYSTEM 100

ALL TESTS BELOW ARE ON VA/100 PSU/CONTROLLER UNLESS OTHERWISE STATED. IF ANY OF

THE VOLTAGE READINGS ARE NOT CORRECT, DISCONNECT WIRING FROM RELEVANT

TERMINALS AND RE-MEASURE.

NOTHING WORKS AT ALL

1. CHECK MONITOR SWITCHED ON AT THUMBWHEEL (CLOCKWISE DIRECTION).

2. CHECK 240VAC INTO VAS/100 & 17.5VDC ACROSS A1(+VE) & A2(-VE) ON VAS/100.

3. CHECK FOR 17.5VDCACROSS B1 (+VE) & B2(-VE), B5 & B6 AND C5 & C6 WHERE TERMINAL 5 IS

ALWAYS NEGATIVE.

4. CHECK FOR 17.5VDC ACROSS 5 & 6 AT MONITOR & PANEL.

5. CHECK IF MONITOR PREVIEWS (PRESS CAMERA BUTTON ON MONITOR).

NO PREVIEW AT MONITOR

1. CHECK B5 & B8 = 1VDC PRIOR TO PREVIEW. IF B5 & B8 = 10VDC SYSTEM IS ACTIVE & PREVIEW

DISABLED UNTIL CALL MADE/SYSTEM TIMER ELAPSES. (I.E. ANOTHER MONITOR IS ON).

2. CHECK B5 & B9 = 0VDC WHEN PREVIEW (CAMERA) BUTTON PRESSED.

3. CHECK B5 & B8 = 10VDC AFTER PREVIEW PRESSED.

4. CHECK 5 & 8 = 10VDC AT MONITOR WITH MONITOR IN SITU (IF NOT CHECK CONTINUITY OF

LINE 8 TO MONITOR).

NO CALL TO MONITOR

1. CHECK FOR 15VDC ACROSS C5 & C8.

2. CHECK FOR 15VDC ACROSS CORRESPONING TERMINALS ON PANEL.

3. CHECK FOR 10VDC ACROSS C5 & CALL LINE (7 IN MONITOR) DURING CALL.

4. IF CHECK 3 = 15VDC, CHECK DIP SWITCH 3 ON IN MONITOR & CONTINUITY OF CALL LINE

(SHOULD = 1K ohm BETWEEN 5 & CALL LINE).

5. IF CALLING MORE THAN ONE MONITOR ENSURE DIPSWITCH 3 IS ON IN ONE ONLY. ALSO

ENSURE ADDITIONAL PSU(‘S) ADDED AS REQUIRED.

NO AUDIO TO MONITOR

1. CHECK VOLUME LEVEL IN PANEL NOT AT MINIMUM (FULLY ANTI-CLOCKWISE IS MINIMUM ON

PHONE POTENTIOMETER).

2. CHECK FOR 17.5VDC ACROSS 5 & 6 IN PANEL.

3. CHECK FOR 17.5VDC ACROSS 6(+VE) & 14 (-VE) AFTER CALL/PREVIEW IN PANEL (IF NOT

CHECK CONTINUITY 14 FROM VA/100 TO 14 ON PANEL).

4. IF MVA/100.01 PANEL WITHOUT MR/100, CHECK JUMPER SW2 IS ON.

5. REMOVE CABLES 11,12 & 14 IN PANEL & PLACE LINK BETWEEN TERMINALS 11 & 12 AND

TERMINALS 5 & 14. THIS SHOULD RESULT IN FEEDBACK AT THE PANEL.

NO AUDIO TO PANEL

1. CHECK VOLUME LEVEL IN PANEL NOT AT MINIMUM (FULLY ANTI-CLOCKWISE IS MINIMUM ON

SPEAKER POTENTIOMETER).

2. CHECK FOR 15VDC ACROSS B5 & B9.

3. ACTIVATE MONITOR (PREVIEW OR CALL) & CHECK FOR 12VDC ACROSS B5 & B9 WITH PHONE

OFF HOOK.

4. REPEAT CHECKS 2,3 & 5 FROM NO AUDIO TO MONITOR.

5. CHECK CONTINUITY OF C12 VA/100 TO TERMINAL 12 AT THE PANEL.(SHOULD = 5VDC ACROSS

C5 & C12 AT VA/100 AND 5 & 12 AT THE PANEL)

NO VIDEO SIGNAL

1. CHECK BRIGHTNESS/CONTRAST SETTING ON MONITOR (THUMBWHEEL) NOT AT MINIMUM

(TURN CLOCKWISE FOR ON).

2. CHECK 5 & 6 = 17.5VDC ON CAMERA UNIT.

3. CHECK 14 ON CAMERA UNIT LINKED TO 14 ON VA/100 & CHECK FOR 17.5VDC ACROSS 6 (+VE)

& 14(-VE) ON CAMERA UNIT AFTER CALL/PREVIEW.

4. MEASURE ACROSS COAXIAL CABLE AT CAMERA = 75 ohms (EOL RESISTOR).

5. CHECK O/P OF CAMERA DIRECTLY WITH BATTERY MONITOR AFTER LINKING 5 & 14 ON

CAMERA UNIT.

NO DOOR RELEASE

1. CHECK DOOR RELEASE TIMER ON VA/100 NOT AT MINIMUM (ANTI-CLOCKWISE IS MINIMUM).

2. CHECK 240VAC INPUT TO VA/100. CHECK FUSE F4 IN VA/100.

3. PRESS DOOR RELEASE (KEY) BUTTON, CHECK B5 & B9 = 4VDC WHILST KEY BUTTON

PRESSED. IF > 4VDC INCREASE CABLE CROSS SECTION TO MONITOR (5,6 & 9).

4. AFTER PRESSING KEY BUTTON CHECK C1 & C13 = 12 TO 18VAC FOR DURATION OF TIMER.

5. CHECK CABLE CROSS SECTION/RATING OF RELEASE (12VAC & 1A FAIL SECURE).

FEEDBACK

RECOMMEND LOWER MICROPHONE ON TARGA (HAV/200) ENSURE VOLUME POTENTIOMETERS IN

PANEL ARE CORRECTLY BALANCED (SMALL ADJUSTMENTS USUALLY REQUIRED.

PRIOR TO CONTACTING TECHNICAL SUPPORT IT IS GOOD ENGINEERING PRACTICE TO CONNECT MONITOR & PANEL ON

SHORT LEADS DIRECTLY INTO VA100 UNIT.THIS WILL INDICATE CABLE PROBLEMS/WRONG CONNECTIONS THAT

CONSTITUTE THE MAJORITY OF CALLS TO OUR TECHNICAL SUPPORT DEPARTMENT.

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