It is not uncommon to have to add freon in 5 years or so. You could just need a top off. The only way to tell if there is a leak is with a dye or electronic sniffer. Sometimes you can see an oily residue near a leaky fitting.
When the system is low it disables the compressor to protect it. When you get set up to recharge it, you need to clear the code to enable the compressor or it will not take the charge.
When the system is low it disables the compressor to protect it. When you get set up to recharge it, you need to clear the code to enable the compressor or it will not take the charge.