There are several reasons why your Daikin aircond light may be blinking and it’s important for us to understand what’s causing Daikin aircond’s light blinking. 
The most common issues is dirty air filter or blocked air dust, Malfunctioning thermostat, Low refrigerant levels, Compressor issues, Electrical problems can cause your air conditioning system to stop working properly.
 
Orange light : There’s a minor malfunction with the aircond unit or parts. Mostly aircond unit needed to be clean or maintenance.
 
Red light : There’s a critical issue with the unit or parts that needs to be addressed as soon as possible.