When google maps is not loading, check the following:
If you are on half map – make sure header of the page is google maps. Help –http://help.wpresidence.net/2015/12/21/why-doesnt-google-maps-load-on-half-map-taxonomy-page-with-half-map-not-loading/
Or if you use SSL – enable SSL for google maps from theme options – Google Maps settings:http://help.wprentals.org/2015/10/28/google-maps-settings/
If it’s not any of the above, disable all plugins (perhaps it is a plugin conflict).
If neither of these scenarios work please open a ticket in our private support – http://support.wpestate.org/login/ with the url in question and wp-admin access to assist further.