Ich hab genau das selbe Problem. Hast du Mittlerweile eine Lösung gefunden?

Yes, all Modules have the latest Firmware.

Is there any solution to this Problem? I switched the order of the modules but it did not help.

Hello, I stumbled over the same problem. My Setup is EtherCAT Gateway / Core 3 / MIO. The configured default values are not set after reboot.

Example:
In PiCtory AnalogOutput_8 is configured to Value 10000
after reboot, there is no Voltage on AnalogOutput_8 but piTest gives me the following ...