Bawalangpanget

I am renting a room and im using starmex inverter also. Im having the same problem, one week after servicing, light blinking then suddenly stops blowing air, ask the service men to check what is the problem, they have repaired it then after 2 days same problem again. Repair it again and now after one week, same problem. Can't ME Starmex recall their defective units? I am just renting the room and owner say they will charge us for the repair. Any recommendations?