Hello,

the problem is known. One possible solution:

Volume control with pedal

with the volume when the midi is such a thing.

When recording a sequence not a volume pedal is used at the beginning of a general volume command is written. Is also connected when playing no volume pedal, this becomes no more, because now the overall volume based on the position of the volume control of the instrument. However, a pedal connected then the current position is ignored and chosen instead the volume level of the sequencer (127).
To avoid this, you would have to delete the volume command.
It is located on the control track.
Press the button and select Step Sequencer-Rec.
Activate now confirm the control track (CTL) (usually in lane 8) and press OK.
Move the cursor to the first asterisk, which are now visible on the display. If the message in the information bar appears Control Exp = 127, delete this command with the DEL (Delete) on the edge of the display.
Leave the area by pressing the Sequencer Sequencer button and save the altered sequence from new. Reloading will notice that the volume increase is omitted at the beginning.