Website doesn’t scroll down/up on mobile

Hi Guys, I am not sure if you might be able to help me? I have this website: my website and the scroll down/up doesn’t when its opened with mobile. Its working on some phone, can anyone let me know what I can do to get it working on all phones?

Please note that this is not working only on the slider/banner. If anyone can help please let me know what I should do to fix it

Seems to scroll ok on my iPhone 5.

There’s a slider that changes but that scrolls ok and so does the rest of the page.

Perhaps you meant something else or perhaps it’s an issue on a specific platform?

We need more information and perhaps a screenshot of the problem so we can see be sure we are looking at the same thing.