Sorry to hear about the recent issues you have been experiencing.
You will also need to create a New Control Surface in Options/Preferences(OSX) > External Devices. This is the one that is needed to map controls.
In the end you will have;
1. A New Keyboard for your pads.
2. A New Control Surface for the controls
3. Control Link your controls:
For the settings on your Akai, you will need to contact Akai for any particular settings to use with Studio One.
We also encourage you to create a thread about this on the Presonus user forum. https://forums.presonus.com/viewforum.php?f=108 This will allow for back and forth discussions about an issue or question and more points of view as to possible different approaches or workflows.