Dahua DH-XVR5104HS-4KL-I3 User Manual page 359

HDD jumper 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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7. Video is distorted when searching local records.
There are following possibilities:
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. Restart the DVR to solve

this problem.
HDD data jumper error.
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HDD malfunction.
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DVR hardware malfunctions.
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8. No audio under monitor state.
There are following possibilities:
It is not a power picker.

It is not a power acoustics.

Audio cable is damaged.
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DVR hardware malfunctions.
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9. There is audio under monitor state but no audio under playback state.
There are following possibilities:
Setup is not correct. Enable audio function.
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Corresponding channel has no video input. Playback is not continuous when the screen is blue.
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10. System time is not correct.
There are following possibilities:
Setup is not correct.

Battery contact is not correct or voltage is too low.
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Crystal oscillator is broken.
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11. Cannot control PTZ on DVR.
There are following possibilities:
Front panel PTZ error.

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.

PTZ decoder and DVR protocol is not compatible.
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PTZ decoder and DVR address is not compatible.
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When there are several decoders, 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 far.
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12. Motion detection function does not work.
There are following possibilities:
Period setup is not correct.

Motion detection zone setup is not correct.

Sensitivity is too low.
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User's Manual