Canon EOS C500 Mark II Instruction Manual page 210

Troubleshooting
Error code returned from the FTP server for the data session.
- The FTP server terminated the connection. Restart the FTP server.
- Change the file access permission settings on the FTP server to allow reading, writing and accessing logs.
- Allow access permissions to the selected destination folder on the FTP server.
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- Check that the FTP server is turned on and working properly.
- Check that there is enough available space on the storage device (hard disk drive, etc.)
Ethernet connection lost.
- You attempted to use an Ethernet (wired) network connection but the Ethernet cable is not connected. Check that the
Ethernet cable is correctly connected to the optional EU-V1 Expansion Unit 1 or EU-V2 Expansion Unit 2 and to the
network device.
- Check that any network hubs, routers and servers are turned on and working properly.
File transfer completion was not confirmed by FTP server.
- The camera did not receive a transfer completion notification from the FTP server for an unknown reason. Turn the
camera and FTP server off and then on again and try the file transfer again.
Incorrect Wi-Fi password.
- Set the correct encryption key on the camera and the access point. If the authentication method is set to [Open
System], the error message [Unable to connect to FTP server.] may appear.
Multiple access points detected. Unable to connect. Retry from the beginning.
- Other Wi-Fi devices are using the WPS function (push button method) to connect. Try the operation again or use other
methods to configure the network (A 160).
No address assigned by the DHCP server.
- The camera is set to automatic IP address assignment. If the selected network does not use a DHCP server, change
the camera's IP address assignment to [Manual Setting] and configure the IP address (A 164).
- Check the DNS server.
• Check that the DHCP server is turned on and working properly.
• Make sure the DHCP server has enough IP addresses to assign.
- Check the network.
• Check if a router with an active gateway function is not being used on the network you are trying to connect to.
• Set the correct gateway address on the camera and on all the devices connected to the same network.
• Contact the network's administrator and obtain the correct gateway address. Enter the same address in the
camera's network settings.
No response from access point.
- The camera's authentication mode and/or encryption key are different from those of the access point. Change the
settings on the camera to match the access point.
No response from DNS server.
- The camera is set to automatic IP address assignment. If the selected network does not use a DNS server, change the
camera's DNS address to [Disable] and configure the IP address (A 164).
- Enter the same IP address of the DNS server used in the camera's network settings.
- Check the DNS server.
• Check that the DNS server is turned on and working properly.
• On the DNS server, set the correct IP address and the name corresponding to the same address.
- Check the network.
• Check if a router with an active gateway function is not being used on the network you are trying to connect to.
• Contact the network's administrator and obtain the correct gateway address. Enter the same address in the
camera's network settings.
• Set the correct gateway address on the camera and on all the devices connected to the same network.
No Wi-Fi network found with the selected SSID.
- Check the access point's SSID (network name) and make sure the same name is used in the camera's settings.
- Check that the access point is working properly and try again.
Security of server connection cannot be verified. To always trust this server and connect, set [Trust Destination
Server] to [Enable].
- Check that the necessary certificate is correctly configured.
- To trust and use this server even without the proper certificate, set [Trust Destination Server] to [Enable].
Unable to connect to access point.
- The camera's encryption method is different from that of the access point. Change the settings on the camera to
match the access point.