Home › Forums › Products › Stompboxes › H9 Max with OX9, Ernie Ball VP Jr 25k issue › Reply To: H9 Max with OX9, Ernie Ball VP Jr 25k issue January 23, 2023 at 1:15 pm #168585 leftyz60Participant Never mind! Figured it out…sprayed some DeoxIT on the pot in the VP Jr. It was just dirty…calibrates and works perfectly now! Makes sense, considering how “open” that exp pedal is. Easy for junk to get in there!
