DIVAR 2000 / DIVAR 3000 / DIVAR
74 en | Troubleshooting
5000
– DVR and monitor resistance is not compatible.
– Video transmission is too long or degrading is too large.
– DVR color or brightness setup is incorrect.
Cannot search local records
– HDD malfunction or HDD cable connection is faulty (check HDD info screen for status).
– Upgraded program is not compatible.
– The recorded file has been overwritten.
– Record function has been disabled.
Video is distorted when searching local records
– Video quality setup is too low.
– Program read error, bit data is too small. There is mosaic in the full screen. Please restart
the DVR to solve this problem.
– HDD malfunction or HDD cable connection is faulty (check HDD info screen for status).
– DVR hardware is faulty.
There is no audio when monitoring
– No power to pickup.
– No power to acoustics.
– Audio cable is damaged.
– DVR hardware is faulty.
There is audio when monitoring but there is no audio during playback
– Setup is incorrect. Please enable the audio function
– Corresponding channel has no video input. Playback is not continuous when the screen is
blue.
Time display is incorrect
– Setup is incorrect
– Battery contact is incorrect or voltage is too low.
– LED display is faulty.
DVR cannot control PTZ
– Front panel PTZ error
– PTZ decoder setup, connection or installation is incorrect.
– Cable connection is faulty.
– PTZ setup is incorrect.
– PTZ decoder and DVR protocol is not compatible.
– PTZ decoder and DVR address is not compatible.
– 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.
– The distance is too great.
Motion detection function does not work
– Period setup is not correct.
– Motion detection zone setup is not correct.
– Sensitivity is too low.
2016.09 | v1.0 | AM18-Q0717 Operation Manual Bosch Security Systems
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