I got this message from Kemper support as a last-ditch solution (wipes your Kemper clean to factory settings). I'll try it tonight and cross my fingers.
There is one last thing you could try which is doing a flash init. You should only do this if you have a backup of your data since this procedure will totally wipe out the memory content of your Profiler leaving it completely empty until you restore the factory rigs or your backup.
push and hold soft button 1 (top left above display) while switching on the unit into Tuner Mode;
keep pushing the button until the Booting Maintenance Mode message appears;
in Maintenance mode push Maintenance, Memory, Init Flash, Yes, Ok, and shut down;
start Profiler normally, enter your owner name at the end of the welcome sequence, then enter System Menu and push the Factory Rigsbutton. This will restore the factory rigs.
If that doesn't bring your profiler back to life i have to assume that it is suffering from a hardware problem. In this case approach your dealer to get it repaired under warranty.
Sorry for the inconveniences.