Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 725)

63: Wireless LAN authentication failed
Are the camera and the access point set to use the same encryption key for
authentication?
• Check upper- and lower-case letters, and make sure the correct encryption key for
authentication is set on the camera ( ).
If filtering by MAC address is active, is the MAC address of the camera in use
registered at the access point?
• Register the MAC address of the camera at the access point. The MAC address can
be checked on the [ MAC address ] screen ( ).
64: Cannot connect to wireless LAN terminal
Are the camera and the access point set to use the same encryption method?
• The camera supports the following encryption methods: WEP, TKIP, and AES ( ).
If filtering by MAC address is active, is the MAC address of the camera in use
registered at the access point?
• Register the MAC address of the camera used to the access point. The MAC
address can be checked on the [ MAC address ] screen ( ).
65: Wireless LAN connection lost
Are any obstacles blocking the line of sight between the camera and the antenna
of the access point?
• Move the antenna of the access point to a position clearly visible from the point of
view of the camera.
The wireless LAN connection was lost, for some reason, and the connection
cannot be restored.
• The following are possible reasons: excessive access to the access point from
another device, a microwave oven or similar appliance in use nearby (interfering
with IEEE 802.11n/g/b (2.4 GHz band)), or influence of rain or high humidity.
66: Incorrect wireless LAN password
Are the camera and the access point set to use the same encryption key for
authentication?
• Check upper- and lower-case letters, and make sure the correct encryption key for
authentication is set on the camera and access point ( ).
Note that if the encryption authentication method is [ Open system ], an Error 41 is
displayed ( ).
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