Nikon Z9 Mirrorless Camera - Manual (Page 399)

399 Troubleshooting Wireless LAN and Ethernet Connections
Error Codes
The following messages and error codes may be displayed if an error
occurs while the camera is connected to an FTP server via Ethernet or
wireless LAN.
[Wireless Error.]
[TCP/IP Error.]
Error code Solution
Err. 11
Confirm that the device to which you are attempting to
connect is on.
Check the SSID ( 0 765).
Err. 12
Confirm that you are using the correct password for the
selected SSID.
Confirm that you are using the correct authentication
method (
0 765).
Err. 13
Confirm that the device to which you are attempting to
connect is on.
Turn the camera off and then on again.
Err. 1F Turn the camera off and then on again.
Error code Solution
Err. 21
Check that the TCP/IP address and sub-net mask are
correct (
0 765).
Err. 22
Duplicate TCP/IP address. Choose a different address
(
0 765).