My thermostat in my condo is a honeywell thermostat and it the only options it has are System and Fan. Fan is set to auto (other option is Lo Med Hi) and the System is set to Cool (or Auto or Off). When it reaches the desired temperature it does not turn off the fan but instead turns it down to Lo speed but keeps running. I notice that at this point it pumps humid air into the unit so my only options are to make it freezing cold so it never turns off cooling or to turn it off completely from fuse. Otherwise it will be humid 24/7. Should note that when System is set to OFF the fan is still running at Lo unless you pull the fuse. How can I fix this?
The tray is empty and not filled with water (someone told me that it could be humid because water isnt draining), the fan coils are dirty but it just looks some a bit of dust (this problem existed for the past 2 years and the fan coil is 2 years old so if it was a dust problem it wouldn't have existed earlier too.)
Furthermore it appears that the A/C is too big for the unit since it can get it from 30 down to 20 in 30 mins or less and constantly turns off cooling when it reaches the temp you set it too very fast.
EDIT: Added images
Keep in mind in the first image R and RC have this metal loop connecting them and the wire is in RC.