appendix
TROUBLESHOOTING (FAQ)
Problems and Symptoms | Measure |
|
|
Power does not turn on. | x Only use a power adapter specified in the user manual. |
| x Fully insert the adaptor’s power jack into the DVR’s power receptacle. |
| x It sounds a beep when the power is properly supplied, check the output and LED |
| indicator. |
| x If the problem persists after these actions, replace the main board as this is an |
| error from the power system. |
|
|
LED indicator does not operate. | x Open the DVR case and properly connect the key cable connector. |
|
|
Fan does not operate. | x Check the power is turned on. |
| x Connect the fan’s power cable properly to the DVR’s 12V power connector. |
| x Remove any foreign substances on or around the cable. |
| x If the problem persists after these actions, the fan or DVR is not in normal |
| operation. Replace the fan. |
|
|
DVR produces noise. | x Remove any foreign substances in the fan unit and operate again. |
| x If the fan produces noise itself, its internal bearings are broken; replace the fan. |
| x If the problem persists after these actions, check the HDD and replace it if |
| necessary. |
|
|
No output displayed on the LCD or no output | x Check the power is turned on. |
on RCA Video out. | x Check the camera. |
| x Turn on the DVR's monitor On/Off switch. |
| x Connect to RCA Video Out properly. |
| x Check whether the connecting cable is cut inside. |
| Check the cable by connecting camera and monitor directly. |
| Replace the cable if required. |
|
|
HDD is not recognized properly. | x Check the power is turned on. |
| x Check the power and data cables are connected to the HDD properly and restart. |
| x If the problem persists after these actions, replace the HDD. |
| x Replace the main board if it has a problem with the power system or the bus |
| line. |
|
|
It does not record. | x Check the HDD. |
| x Check the cable, camera and incoming BNC cable for connection. |
| x Set the HDD OVERWRITE option to <ENABLE> and check its storing operation |
| again. |
| x Set the recording type in the Schedule setup and try again. |
| (ALARM and MOTION modes only records on an event.) |
|
|
It does not play back. | x Initialize the DVR using FACTORY DEFAULT, and delete files in HDD using CLEAR |
| PROCESSING, and then check playback after letting the DVR record for a while. |
| x Try several times of HDD recording and deleting, and replace the HDD if the |
| problem continues. |
| x Check the HDD power and data cables. |
|
|
66_ appendix
