Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 490)

490
Responding to Error Messages
65: Wireless LAN connection lost

Are any obstacles blocking the line of sight between the camera and the
antenna of the access point?
g
Move the antenna of the access point to a position clearly visible
from the point of view of the camera ( = 494).

The Wi-Fi connection was lost for some reason, and the connection
cannot be restored.
g
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 802.11b/g/n (2.4 GHz band)), or
infl uence of rain or high humidity ( = 494).
66: Incorrect wireless LAN password

Are the camera and the access point set to use the same password for
authentication?
g
The setting is case-sensitive, so check upper- and lower-case
characters. Make sure that the correct password for authentication is
set on the camera.
67: Incorrect wireless LAN encryption method
 Are the camera and the access point set to use the same encryption
method?
g The camera supports the following encryption methods: WEP, TKIP,
and AES.
 If fi ltering by MAC address is active, is the MAC address of the camera in
use registered at the access point?
g Register the MAC address of the camera used to the access point.
The MAC address can be checked on the [View info] screen
( = 481).