Technical Information en 19 | |
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4Technical Information
4.1Troubleshooting - Camera
PROBLEM | POSSIBLE CAUSE | POSSIBLE SOLUTION |
No video | Power supply: | Check input power connections |
| connections | at the terminal: |
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| – AC input wires to “AC IN” |
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| – DC input wires to “DC IN” |
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| – Loose wires |
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No video | Power supply: | The supply range is: |
| voltage range | or 10.5 - 40 VDC for the camera |
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| section. |
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| Measure the voltage at the |
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| terminal block. |
No video | Video connections | Determine if wiring polarity at |
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| “Video Connector” terminal |
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| block is correct (V and GND). |
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| If still no video, connect the |
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| camera directly to the monitor. |
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| Check the video signal. If okay, |
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| the problem is with the |
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| interconnections. If still no |
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| video, contact your Bosch |
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| Service Center. See |
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| Section 1.2 Bosch Contact |
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| Information for contact |
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| information. |
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Poor picture quality - | Poor video signal | Ensure that the video cable is |
snowy image |
| correctly matched and |
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| terminated with 75 ohms at |
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| each end. Ensure that the video |
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| cables are similar types. |
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| Noisy power supply | Check connections. |
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| Relocate or replace power |
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| supply. |
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Bosch Security Systems, Inc. | Instruction Manual | F.01U.172.707 3.0 2011.02 |
