As I said, this is not a known issue, so I cannot be certain that re-initializing the unit will cure it.
The MF and TF presets are very large, so do take time to load. Is it possible that this is your problem ?
For example, if you load one of these, it will take time.
If you then load a few small presets, say, those marked as crossfadeable, are they also slow?
Is your problem loading time, or response to controls, or what ?
Does it apply to all presets or just some of them ?
