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FAQ for 4 Channel HDD 3G Mobile DVR KD-7000 (1)

FAQ for 4Ch HDD 3G Mobile DVR KD-7000 (1)


Problem 1: The power indicator not bright after power on. 
The following reasons will cause the power indicator not works: 
1) Electric voltage isn’t within the range of 8-36 V; 
2) The fuse in power cable was burned; 
3) ACC setting failure or ignition connects in a wrong way 

Problem 2: ERR indicator keep on light. 
The following errors will cause the ERR indicator keep on light. 
1) Two SD cards didn't be inserted. 
2) The system partition under abnormal statues, even the SD card be inserted, it also can cause the equipments can not be identified; 
3) MCU not works; 
4) SD card cannot read and write in normal; 

Problem 3: Channel indicator not works 
The following reasons will cause the Channel indicator not works: 
1) No video signal input; 
2) Cameras break down; 
3) Indicator is damaged; 
4) The system cannot be operated in normal. 

Problem 4: SD card indicator not works or keep flicker 
The SD card indicator has 3 medium statuses: OFF, ON and Flicker; respectively meaning as follows: 
OFF: This SD card didn't be inserted or can not be identified by the equipments; 
ON: This SD card existence, but it isn't the one that is recording image at present; 
Flicker: This SD card exists and it is the one that is recording image at present; 
Possible reason is as follows: 
1) User doesn't setup record in system; 
2) Two SD cards all have already recorded full, but overwritten function was "off" in system 
3) Although Overwritten function was "on" in system, all the files in two SD card are alarm record 
ones. These files cannot be deleted automatically so SD card can not memory new record files 

Problem 5: HDD indicator not works or keep flicker 
The HDD indicator has 3 medium statuses: OFF, ON and Flicker; respectively meaning as follows: 
OFF: This HDD didn't be inserted or can not be identified by the equipments;  
ON: This HDD existence, but it isn't the one that is recording image at present; 
Flicker: This HDD exists and it is the one that is recording image at present; 

Problem 6: HDD and SD card indicator not works or keep flicker 
1) No record task according to system set-up 
2) SD card and HDD both record full and overwrite function be set in “OFF” statues 
3) The files are alarm record file, even overwrite function be set in “ON” statues, after SD card and HDD both record full, the device cannot start make the new record 

Problem 7: Video Lost in certain channel 
Possible reasons are as follows: 
1) This channel has no video input. 
2) The camera of this channel breaks down or work abnormality; 
3) If the camera takes an electricity power from the equipments directly, may be the equipment’s electric voltage isn't enough to make camera work as usual; 
4) The cable that links this channel has problem 

Problem 8: Record files have no audio 
Probably of the reason is as follows: 
1) Audio function setup in "OFF" mode in system 
2) Use wrong input cables 
Audio input including two types. One is LINE IN and the other one is MIC IN. It will be showed on Record setup interface in system. User must select one of them before make a record. The cable AIN1 and AIN2 match with LINE IN mode, however cable MICIN match with MIC IN mode. 
3) Audio output cable didn't connect or connect in a wrong way; 

Problem 9: Device cannot make a record successfully. 
The following reasons might cause this problem: 
1) Recode mode setup in a wrong way 
There are 3 kinds of record mode: Auto, Timed and Alarm. Before recording, user must to setup record mode in system. If it was set in "Alarm" mode but has no alarm right now," device will not make a record. If it was set in "Timed" mode but the current time not within timed period, same as above, device will not make a record as well. 
2) Overwritten function was “OFF’ and the capacity of SD card less than 500M, in this situation device will stop recording. 
3) The ERR light of front panel shine. Can pass to look into a system information, If SD card space shows in “0”please check whether SD card has been formatted before use and inserts or not. 
4) Record mode be set to “OFF” in each channel. Please press "Enter" button on remote control to switch “OFF” to “ON” mode before record, otherwise device will not make any record.

For more questions and information about the HDD mobile DVR please feel free to contact us- China Mobile DVR manufacturer.