Hi,  2016 Skoda Octavia vRS TDI. My airco stopped blowing out cold air, could have happened over time as due to covid car was not used much last 9 months.   No fault codes, I can adjust temperature, compressor is turning, can be switched on/off, refrigerant pressure changes when compressor is on. I looked at VCDS measuring values for HVAC, and refrigerant pressure is around 5bar with airco off going up to perhaps 9 bar with airco on. What is a normal pressure in this mea