Bosch Appliances LTC 2605/91 Troubleshooting, Device Outline, Problem, Possible Causes, En

Video Manager Instruction Manual Troubleshooting EN 17

10.0 TROUBLESHOOTING

Problem

Possible Causes

1. Erratic or improper operation when Video	a)	The Video Manager did not auto-configure
Manager system is first operated after being		properly because it was powered up before
installed.		system keyboards were attached and/or before
		Divar/System4 devices were powered up.
	b)	Incorrect connection of system keyboard data
		communication link. Check keyboard data
		connections.
	c) Invalid system configuration. Review items
		found in IMPORTANT RULES section of
		this manual.
2. Incorrect video displayed on Video Manager monitor	a)	Incorrect video connections between Video
output.		Manager and video device. Check cabling.
3. No video display on Video Manager outputs	a)	With 1 or 2 keyboards in the system, outputs
3A or 4A.		3A and 4A generate a black video raster signal
		when the system is not in an alarm condition.
	b)	With 3 keyboards in the system, output 4A
		generates a black video raster signal when the
		system is not in an alarm condition.
4. The video displayed on outputs 2A and 2B is following	a)	The Video Manager is recognizing only a single
instructions being sent by keyboard 1.		keyboard in the system. If 2 or more keyboards are
		in use, check data connections between keyboard 2
		and Keyboard Port Expander.
	b)	If only a single keyboard is being used in the
		system, this is normal operation because only
		monitor outputs 1A and 1B can be controlled in
		a system having a single keyboard.

11.0 DEVICE OUTLINE

CONSOLE

1A

2A

3A

4A

1A

2A

3A

4A

5A

6A

7A

8A

9A

10A

11A

12A

13A

14A

15A

16A

MONITOR OUTPUTS

INPUTS

INPUTS

INPUTS

INPUTS

IN KEYBOARD OUT

1B

2B

1B

2B

3B

4B

5B

6B

7B

8B

9B

10B

11B

12B

13B

14B

15B

16B

Figure 9 -- Rear Panel

Figure 10 -- Front Panel

Bosch Security Systems December 5, 2005