Mandatory information about my setup:

Have I searched the tickets before posting? I read through some but couldn't find a search facility
Have I searched the forum before posting? Yes
Have I read the documentation before posting (which pages?)? All the installation ones and configuration pages. (Only using a single menu item so didn't think it would be that hard.
Joomla! version: 3.3.6 Stable
PHP version: 5.4.14
MySQL version: 5.1.41-community
Hotspots version: Hotspots Professional 4.2.4
Direct link to the page that shows the issue: http://www.myphonevouchers.com/our-members/our-member-map

Nothing shows up. I can't see any java-script being loaded for the component. I have no categories selected and only two hotspots in Australia. (I assume it works in southern hemisphere.)