Search:

Your cooling system is out of refrigerant. You need to find the leak, rectify and refill the refrigerant.

Check the ventilation fan whether it is working or not. If yes, then the cooling system is running out of refrigerant. You have to find the leak, rectify and refill the refrigerant.

You can use capacitance meter to check the capacitor. If the readings out of range means the capacitor is going bad. I'm using Kyoritsu multimeter model 1009 (search at Google for ormation) which can...