TFTP start timeout

When upgrading the controller, this error message may be given: 

TFTP start timeout

Run through the following steps to resolve this error message. 

In the network settings of the PC, verify that “obtain IP address from DHCP server” has been selected. Do not use a fixed IP address for the PC.

All network security features (passwords, WEP, etc.) must be deactivated.

If needed, restart the PC to activate the settings.

Close all open applications.

Reset the controller by temporarily disconnecting the sliding contact and reconnecting it.

Deactivate the antivirus software and firewall on the PC.

Connect the PC to the controller.

Wait until the IP address is assigned; this can take a while (up to 30 seconds).

Start the programming software.