Canon EOS 1D X Mark II - Manual (Page 134)

134
Responding to Error Messages
 Is the transmitter attached correctly?
 Make sure the transmitter is securely inserted in the camera (p.11).
 Due to transmitter temperature rise, wireless operation has
temporarily stopped and the wireless LAN connection has
been terminated.
 Allow the transmitter to cool down (for example, by shielding it from
direct sunlight). When the transmitter cools down, the connection
will be automatically re-established.
 A problem other than error code number 11 to 83 occurred.
 Turn off and on the camera’s power switch.
82: Wireless File Transmitter not connected
83: Wireless LAN connection terminated because of
high WFT temperature
91: Other error