One out of 3 pucks doesn't work right

The packaging was excellent. Was so excited to unpack it looks great decide to fired up. Problem right out of the gate one puck dosent work right its really loose. Fires in and out unlike all the others. Continues to go in-and-out due to it being loose. Shut it off tried a different puck and it works great and it not loose on the pad. So one out of 3 pucks doesn't wanna work right. Very unhappy with the quality of the product. Sadly will have to return. Had high hopes for the product.

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