Sperax Walking Vibration Pad, 4 in 1 Treadmill/ walking pad

Sperax Walking Vibration Pad, 4 in 1 Treadmill/ walking pad It runs normally with no weight but cuts off or becomes glitchy when someone steps on it. If someone knows how to calibrate it, it should probably work well. It’s pretty new (used less than 2 months), and comes with the original box. Pick up at Yonge and Finch. * 4 in 1 Vibration Mode * 2.5HP Quiet Powerful Motor: less than 45 decibels and a maximum load capacity of 265lbs * weighs only 27 pounds and measures 39 x 21 x 3.5 inches