When adding an IPC (IP Camera) to a Dahua NVR, the system may display an error code in the channel interface if the device cannot be added successfully.
Different error codes indicate different issues, and each problem requires a specific solution.
Below is a list of common Dahua NVR IPC error codes and their troubleshooting methods.
Dahua NVR IPC Error Codes Explained
Error “-1” – Device Does Not Support High-Security Login
Solution:
Change the authentication mode to Compatible Mode.
Error “1” – Incorrect Username or Password
Solution:
Add the IPC using the correct username and password.
Error “2” – Username Does Not Exist
Solution:
Use the correct IPC username and password when adding the device.
Error “3” – Login Timeout
Solution:
Check the network connection first.
Error “4” – Duplicate Login
Solution:
Enable user reuse (multiple login) for the corresponding IPC user.
Error “5” – Account Locked
Solution:
Power off and restart the IPC to unlock the account, then add it again using the correct username and password.
Error “6” – Account Blacklisted
Solution:
Disable IP access control on the IPC or add the NVR to the whitelist.
Error “7” – System Busy / Insufficient Resources
Solution:
Check whether:
- The IPC is already added to multiple devices, causing insufficient resources
- There are network issues
Error “8” – Sub Connection Failed
Solution:
Check the maximum connection limit of the IPC and whether it has already been added to multiple devices.
Error “9” – Main Connection Failed
Solution:
Check the maximum connection limit of the IPC and whether it has already been added to multiple devices.
Error “10” – Maximum Connections Exceeded
Solution:
Check the maximum connection limit of the IPC and whether it has already been added to multiple devices.
Error “11” – Only Supports 3rd Generation Protocol
Solution:
Try the following:
- Add the device using another protocol
- If the issue persists, upgrade the firmware of the older device
Error “13” – Client IP Address Does Not Have Login Permission
Solution:
Disable IP access control on the IPC or add the NVR IP address to the whitelist.
Error “15” – Device Only Supports High-Security Login
Solution:
Try the following:
- Add the device using another protocol
- If the issue persists, upgrade the firmware of the older device
Error “18” – Device Account Not Initialized
Solution:
Initialize the camera first, then manually add it again.
Error “19” – Login Restricted
Solution:
Disable IP access control on the IPC or add the NVR to the whitelist.
Error “20” – Device Only Supports High-Security Login
Solution:
Try the following:
- Add the device using another protocol
- If the issue persists, upgrade the firmware of the older device