Sorry Cass…That's not enough info for me to be of much help…I guess you have one of those "Sometimes" units….

Sometimes it Works & Sometimes it Don't  ….Just joking & do want to help…

Did you not see This is at the top of the main forum page:

Greetings to all who seek information on this Marine AC Forum.
In the interest of getting you answers to your questions as quickly as possible…The below items can help with us not having to ask, and thus reduce the amount of posts to get to a point where we are on the same page…If you prefer not to post things like location in your profile…Please at least consider giving us water & air temps in your post…
Though I have been doing this for quite some time…My Crystal Ball is only just so good….I keep rubbing it harder but…

* Again Location of the boat please…It helps to know the climate & temp water it sits in…
* Brand of A/C and type of control (Digital or Manual) and brand of control (sometimes the control & unit brand don't match)
* Type of A/C units ( Split System or Self Contained)
* Age of system/s…
* Boat Make, Length, and Model…
* Factory A/C installation, or Added later…