It gives you an error message that it is low of freon (or the work gas in the cooling system), and it has no recharge port. Cleaning the outer workings of the unit should have no effect on the internal pressure of the lines (compressor, expansion lines and collector). But those units do look small enough to be taken out and perhaps taken to an HVAC shop where they can tap into the system, check the pressure, recharge it and leave you a recharge/check valve for any further problem/repair. Take some pictures, find a HVAC shop and ask. All they can say is no, and you are not any worse off seeing it would be removed anyway. They might even be able to do it in the boat. (Had a very old chest freezer which after many years had no gas charge, and was able to find a service to recharge it)
Do you think I can save this? Let me know in the comments
It gives you an error message that it is low of freon (or the work gas in the cooling system), and it has no recharge port. Cleaning the outer workings of the unit should have no effect on the internal pressure of the lines (compressor, expansion lines and collector). But those units do look small enough to be taken out and perhaps taken to an HVAC shop where they can tap into the system, check the pressure, recharge it and leave you a recharge/check valve for any further problem/repair. Take some pictures, find a HVAC shop and ask. All they can say is no, and you are not any worse off seeing it would be removed anyway. They might even be able to do it in the boat. (Had a very old chest freezer which after many years had no gas charge, and was able to find a service to recharge it)
That is worth a try, I'll check it out, thanks!
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Hello back and welcome aboard!