The traps maybe going off due its pushing soil infornt off him, and the soil hes pushing is setting the trap off, dig the hole for the traps a little deeper so tht any soil will fall down under the trap and the trap is floating, also rub a worm onto the trigger plate to bait the trap, make sure no little can get into the tunnel and make sure the traps have no scent on them rub the trap with earth before hand