I have used this module on other sites without issues.
I'm having a problem getting it to work on this particular site though.
www.hisair.net/JOOMLA/index.php - it's down at the bottom - "Facebook Feed". As you'll see it's blank.
I've double checked the facebook app Id and Secret to make sure that's right - and it is. And I have my Subscription ID in there and it's right...