Update..
I have borrowed a better diagnostic tool, which showed me following Errors ( unfortunately without error codes)
https://drive.google.com/file/d/1jaa...ew?usp=sharing
https://drive.google.com/file/d/1jaa...ew?usp=sharing
In the mean time, the A/C Compressor stopped working ( clutch not engaging ) and there is only hot air blowing out the vents. That might have triggered the HAVAC controls module error !?