I actually fixed my issue. I was using interchange insert an html file with an orbit slider for medium and large screens, but a different file without a slider for small screens. The orbit slider would not work at all after the interchange since the foundation js already fired after the slider was loaded. I fixed it by including this IN the html file i was including that had the orbit slider in order to re-call the js for the slider.
<script src="../js/vendor/jquery.js"></script>
<script src="../js/foundation.min.js"></script>
<script>
$(document).foundation('orbit', {
timer_speed: 10000,
animation_speed: 500,
bullets: true,
stack_on_small: true
});
by including the 'orbit' call it reloaded the slider and fixed it after the interchange. is that your issue?