Not to take Daikin AC
I would not know this type of bad service of the Daikin company and request other not to take Daikin's AC. more
Just because of them you don't cull the flock.....
So, let's be a big reticent about such drastic remarks/recommendations..... more
Also you have mentioned that you face load shedding. Please note that the compressor might not work efficiently if the voltage / current is low in your area. Please get the input voltage / current measured and get a stabilizer installed if required.
If your AC is out of warranty then my advice is not to depend on company service center but find a reliable AC service center (technician) near your area and get it serviced by them. At least you can always catch hold of him. more