QSD42908 User’s Manual
Appendix E: Troubleshooting
Failure |
| Possible reasons |
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After plugging in power, turning on the power switch, | 1) | Power cable is damaged | ||||
“POWER” light in front Panel does not turn on, and fan | 2) | Power supply is damaged | ||||
does not work. |
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After plugging in power, turning on the power switch, | 1) | Front panel cable is damaged | ||||
“POWER” light in front panel turn to green while fan does | 2) | Fan is broken. |
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not work. |
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After plugging in power, turning on switch, “POWER” light | The ATX plug in main board is | |||||
turn to green, the indicator lights in the panel turn on at the | not attached well. |
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same time, but fan does not work. |
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DVR continuously reboots after start up, and makes a sound | 1) | Upgraded |
| using |
| wrong |
like “di” every 10 seconds. |
| firmware |
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| 2) | Compression | board | has | ||
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| problems. |
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| 3) | Main board has problems. | ||||
There are no images in the monitor connected with VOUT | 1) | The cable connected with the | ||||
after DVR is started. |
| monitor is damaged |
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| 2) | Real board of DVR has | ||||
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| problems. |
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| 3) | Main board of DVR has | ||||
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| problems. |
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Cannot find the hard disk in reboot process. | 1) | Hard disk cable is damaged | ||||
| 2) | The power cable of hard disk | ||||
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| is not connected. |
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| 3) | Hard disk is damaged |
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DVR can not control PTZ through | 1) | cable | is | not | ||
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| connected | correctly | or is | ||
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| damaged |
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| 2) | PTZ parameters error. |
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| damaged |
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Client software can not view DVR live image. | 1) | Network error. |
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| 2) | Wrong DVR | setup | (wrong | ||
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| IP, port number, username or | ||||
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| password, etc). |
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| 3) | Old player SDK (playm4.dll) | ||||
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Notes:
1)Place the DVR in well ventilated area so that it operates within the recommended range of temperature and humidity as in specifications.
2)If the circuit board gets wet, dust on circuit board can cause a short circuit. The circuit board, plug and socket, housing fan and housing should be cleaned by brushing.
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