Wamon monitor service is a windows process that starts only after a user logs in to his computer, just like most processes you may find in your computer.
Something that will help, is to make all the processes start before the user is even logged in, thus, Wamon will be available even if the user is not logged in. This may help:
http://lifehacker.com/5645098/make-windows-load-your-desktop-before-you-log-inBut of course, Wamon will never work if the station is turned off.