| NVR FAQ
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| Problem
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Solution
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| NVR will not boot.
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Input power is not correct.
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| Power connection is not correct.
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| Power switch button is damaged.
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| Program upgrade is wrong.
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| HDD malfunction or something wrong with HDD ribbon.
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| Seagate DB35.1, DB35.2，SV35 or Maxtor 17-g has compatibility problem. Please upgrade to the latest version to solve this problem.
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| Front panel error.
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| Main board is damaged.
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| NVR often automatically shuts down or stops running.
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Input voltage is not stable or it is too low.
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| HDD malfunction or something wrong wit the ribbon.
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| Button power is not enough.
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| Front video signal is not stable.
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| Working environment is too harsh, too much dust.
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| Hardware malfunction.
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| System is unable to detect hard drive.
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HDD is broken.
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| HDD ribbon is damaged.
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| HDD cable connection is loose.
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| Main board SATA port is broken.
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| Video loss from 1, multiple, or all channels.
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| Program is not compatible. Please upgrade to the latest version.
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| Brightness is 0. Please restore factory default setup.
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| Check your screen saver.
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| NVR hardware malfunctions.
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| I can not search local records.
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| HDD ribbon is damaged.
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| HDD is broken.
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| Upgraded program is not compatible.
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| The recorded file has been overwritten.
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| Record function has been disabled
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| Video is distorted when searching local records.
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| Video quality setup is too low.
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| Program read error, bit data is too small. There is mosaic in the full screen. Please restart the NVR to solve this problem.
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| HDD data ribbon error.
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| HDD malfunction.
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| NVR hardware malfunctions.
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| Time display is not correct.
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| Setup is not correct
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| Battery contact is not correct or voltage is too low.
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| Crystal is broken.
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| NVR can not control PTZ
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| Front panel PTZ error
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| PTZ decoder setup, connection or installation is not correct.
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| Cable connection is not correct.
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| PTZ setup is not correct.
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| PTZ decoder and NVR protocol is not compatible.
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| PTZ decoder and NVR address is not compatible.
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| When there are several decoders, please add 120 Ohm between the PTZ decoder A/B cables furthest end to delete the reverberation or impedance matching. Otherwise the PTZ control is not stable.
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| The distance is too far.
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