HI Yannis

is rhe RAM/Card memory still available to store presets?

Which preset is exactly the one you tweaked/stored/recalled w/problems?

Did you store it to the card or the internal RAM?

Are you recalling it manually or via MIDI?

Try store it in a different memory area, that is if you stored it to a card try storing to internal ram or viceversa.

It may have been screwed up for some mysterious reason….

best

I