Beat Buddy not working after 18months

Over the last 2 weeks our Beat Buddy had been erratic, this weekend in a gig it was sticking on the Transition hold constantly (a drum roll that wouldn’t stop), the down arrow would only stay on the Folder selection for 2 seconds and at points drum beats just wouldn’t start when tapped with foot, or would only start if pressed by hand. we play for a living, luckily we were able to borrow a friends from out of town for the next days gigs and it accepted n played the SD card right away so the faults not with the Card., at the price of the unit it should last a hell of a lot longer than 18 months gigging. Has the press sensor gone or is it more serious ?

Either malfunction or defect merits contact with