Manual Alhua - Dahua DVR (page 308 of 330) (English)

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FAQ 295

 Check the device P2P function is enabled or not. (Main menu->Setting->Network->P2P)

 Check the device is in the WAN or not.

 Check cell phone P2P login mode is right or not.

 It is the specified device P2P login port or not when you are using P2P client.

 Check user name or password is right or not.

 Check P2P SN is right or not. You can use the cell phone to scan the QR code on the

device P2P interface (Main Menu > Network > P2P), or you can use the version

information of the WEB to confirm. (For some previous series products, the device SN is

the main board SN, it might result in error.)

35. I connect the standard definition camera to the device, there is no video output.

There are following possibilities:

 Check the DVR supports standard definition signal or not. Only some series product

supports analog standard definition signal, coaxial signal input.

 Check channel type is right or not. For the product supports analog standard definition

camera/HD camera, you need to go to the Main Menu > CAMERA > CHANNEL TYPE to

select corresponding channel type (such as analog) and then restart the DVR. In this way,

the DVR can recognize the analog standard definition.

 Check camera power supplying, or camera data cable connection.

36. I cannot connect to the IP camera.

There are following possibilities:

 Check DVR supports IP channel or not. Only some series products support A/D switch

function, it can switch analog channel to the IP channel to connect to the IP camera. From

Main Menu > CAMERA > CHANNEL TYPE, select the last channel to switch to the IP

channel. Some series product products support IP channel extension, it supports N+N

mode.

 Check the IPC and the DVR is connected or not. Please go to the Main Menu > CAMERA >

REGISTRATION to search to view the IP camera is online or not. Or you can go to the

Main Menu > INFO > NETWORK > Network Test, you can input IP camera IP address

and then click the Test button to check you can connect to the IP camera or not.

 Check IP channel setup is right or not (such as IP address, manufacturer, port, user name,

password, and remote channel number).

Daily Maintenance

 Please use the brush to clean the board, socket connector and the chassis regularly.

 The device shall be soundly earthed in case there is audio/video disturbance. Keep the

device away from the static voltage or induced voltage.

 Please unplug the power cable before you remove the audio/video signal cable, RS-232 or

RS-485 cable.

 Do not connect the TV to the local video output port (VOUT).It might result in video output

circuit.

 Always shut down the device properly. Please use the shutdown function in the menu, or

you can press the power button in the front panel for at least three seconds to shut down

the device. Otherwise it might result in HDD malfunction.

 Please make sure the device is away from the direct sunlight or other heating sources.

Please keep the sound ventilation.

 Please check and maintain the device regularly.

We have lost power on our DVR, there is power up to the power supply,
and the whole system is coupled to a UPS system for some time......
we have had zero lightning and any effects of load shedding is nullified by UPS system,
could you kindly inform what could be wrong PLEASE ?
Chris Gibson 0827932600 Submitted on 22-2-2023 at 12:16
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Alhua - Dahua DVR Manual

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