The aircon is producing cold air, but it is may not be 14’C to 16’C, it could probably be 18’C – 20’C. Otherwise, it means
that the fan coil and blower is choked too.
Stand about 2 meters away from the blower, if you cannot feel strong wind blowing at you, the fan coil is choke and a good chemical servicing will save the day. , you can book me here.
Otherwise, it will most probably be a compressor and gas related problem.