Dahua HCVR5104C User Manual page 634

Check the camera setup. Please make sure It supports the products of other

manufacturers.
34. DDNS registration failed or cannot access the device domain name.
There are following possibilities:
Check the device is connected to the WAN. Please check the device has got the

IP address if the PPPoE can dial. If there is a router, please check the router to
make sure the device IP is online.
Check the corresponding protocol of the DDNS is enabled. Check the DDNS

function is OK or not.
Check DNS setup is right or not. Default Google DNS server is 8.8.8.8, 8.8.5.5.

You can use different DNS provided by your ISP.
35. I cannot use the P2P function on my cell phone or the WEB.
There are following possibilities:
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.
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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->Setting->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 may result in error.)
36. 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, HDCVI 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->Setting->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.

37. 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 Setting->Camera->Channel Type, select the last channel to
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