Dahua DH-DVR0804ME-HE User Manual

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There are following possibilities:
 Alarm setup is not correct.
 Alarm output has been open manually.
 Input device error or connection is not correct.
 Some program versions may have this problem. Please upgrade your system.
17. Alarm function is null.
There are following possibilities:
 Alarm setup is not correct.
 Alarm cable connection is not correct.
 Alarm input signal is not correct.
 There are two loops connect to one alarm device.
18. Remote control does not work.
There are following possibilities:
 Remote control address is not correct.
 Distance is too far or control angle is too small.
 Remote control battery power is low.
 Remote control is damaged or DVR front panel is damaged.
19. Record storage period is not enough.
There are following possibilities:
 Camera quality is too low. Lens is dirty. Camera is installed against the light. Camera
aperture setup is not correct.
 HDD capacity is not enough.
 HDD is damaged.
20. Can not detect SIM card
There are following possibilities:
 There is no SIM card.
 SIM card direction is wrong.
 SIM card is malfunction.
21. My cell phone 3G dial failed.
There are following possibilities:
 You have not installed the dial module or your installation is not right.
 Please make sure you have inserted the card.
 You have not installed the antenna or the connection is not sound.
 The centre platform configuration is not right or the registration is not effective.
 The cell phone remaining sum is not sufficient.
 Signal is too weak.
 SIM card does not support corresponding service.
22. 3G platform is offline
There are following possibilities:
 Refer to the above item to check 3G dial function is OK or not.

Dahua DH-DVR0804ME-HE Specifications

General

Brand	Dahua
Model	DH-DVR0804ME-HE
Category	DVR
Language	English