Thanks for your patience.
Here are the possible trouble codes for the AAC system:
And here are the schematics:
And again I would definitely want to evacuate the system and see how much refrigerant was in there before getting too deep into any other diagnosis... the behavior you are seeing is very typical of a ~20% undercharge. Specifically the AC light flashing is used as an indication of low charge in itself, but the other symptoms support the scenario as well.