If you are using a BERNINA machine make sure you have the latest firmware installed.

If you are using a different brand try the different settings available in the BERNINA WiFi Connector - Advanced Settings.
We recommend to test one after the other.

Keep the WiFi Device connected to the machine to test the different settings.

The 'Serial interface' settings needs to be activated again if for some reason you want to connect the WiFi Device to a computer. For example to setup on a different computer.

Be ware that changing memory size or emulation mode in the advanced settings will delete all designs saved on the device.