If you have checked the normal power and relay well, the possibility of damage to the PCB module. For this problem, special skills are needed to check it out. That is the person who really understands the groove on the PCB module component. If you have the skill to fix the TV, I think you can certainly find out which part of the line is broken. However, if you are in doubt, you should not. Because in the fear of a more severe risk, it’d be a good idea if you call an experienced AC technician in the field. You can also visit www.airconservicingsingapore.com/ to hire the trusted AC repair experts in Singapore.
In essence, the AC die is usually due to the absence of an electric current connected to the AC. and or error on the PCB control module. But at least we know the cause of the consequences, so we can check as I have said above.