Troubleshooting
To use your dome, refer to the operation and configuration manual.
If the following instructions fail to solve your problem, contact Pelco Product Support at
Do not try to repair the unit yourself. Leave maintenance and repairs to qualified technical personnel only.
Table C. Troubleshooting the Spectra IV IP Dome System (1 of 2)
Problem | Possible Causes | Suggested Resolution | |
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| |
Dome does not start | The circuit board fuse | Check the fuse on the circuit board inside the back box | |
properly after | may need to be replaced. | for continuity. Replace the fuse if needed. | |
installation. |
|
| |
The back box may not be | Check the wiring with a volt meter to ensure that the | ||
| |||
| receiving proper voltage. | back box is receiving proper voltage. | |
|
|
| |
Dome starts correctly, | Switch settings on the | Check the signal with a volt meter or an oscilloscope. | |
but you do not have | dome drive are set | NOTE: This step will not apply if you are using | |
accurate control. | incorrectly. | Coaxitron control. | |
|
| Ensure that the switch settings on the dome drive are | |
|
| set correctly (refer to Switch Settings on page 28.) | |
|
|
| |
No video is displayed. | Power is not connected. | Check the power connector. | |
|
|
| |
| Video cable is not | Check the video connector. | |
| connected. |
| |
| Reinstall the | ||
| inserted properly. | the module are inserted correctly. | |
|
|
| |
Spectra IV information | The unit cannot complete | Refer to Troubleshooting in the Installation/Operation | |
(model, firmware, | its configuration cycle. | manual shipped with the Spectra IV dome drive. | |
Pelco P and Pelco D |
|
| |
protocol addresses, |
|
| |
and communication |
|
| |
settings) does not |
|
| |
appear after the |
|
| |
configuration cycle. |
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| |
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|
| |
The audio signal is | You are not using the | Be sure you are using a | |
weak. | correct type of | transformer. | |
| transformer. |
| |
| The wiring distance | Test the equipment using a shorter wiring distance. | |
| connecting the audio |
| |
| equipment may be too |
| |
| long. |
| |
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|
| |
| The gain is not properly | If you are using an external amplifier and it has an | |
| adjusted. | adjustable gain, increase the gain until the signal is | |
|
| acceptable. | |
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26 | C3468M (4/10) |
