Well, you could always do a factory reset on your H9 and clear it out by turning it off and then turning it on again with the right footswitch and the HotKnob switch pressed (the button in the upper left hand corner of the H9).
You might want to check out this video on preset management with H9 Control:
Please don't take this the wrong way, but usually, this sort of problem comes down to misunderstanding how the app works when you're making changes to your presets.
