Canon WFT-E8 Instruction Manual page 134

Responding to Error Messages
82: Wireless File Transmitter not connected
Is the transmitter attached correctly?

 Make sure the transmitter is securely inserted in the camera (p.11).
83: Wireless LAN connection terminated because of
high WFT temperature
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.
91: Other error
A problem other than error code number 11 to 83 occurred.

Turn off and on the camera's power switch.

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