Verified answer

Maybe the high pressure switch because it's overcharged. This is NOT a DIY project.

Also, if it was low on refrigerant, that means you have a leak, and all your "charging" will do nothing but foul the atmosphere.

Its probably over pressured. How many cans did you put in? If the system was just low before you should not have added more than one can. Take it to a mechanic or but a r134a pressure gauge set and get a pressure reading. The A/C off pressure should be between about 40 - 80 psi.

If the compressor ever turns on the low pressure side should be between 20-45 psi and high 150-180psi

the right thank you to do an ac provider is to hook the motor vehicle as much as the ac device. Evacuate out the refrigerant and take word what number ouncescame out and look at to production unit specs in oz. Vacuum the gadget down with the device for fifteen minutes, turn the vacuum pump off and enable take a seat for 5 minutes to confirm it fairly is retaining a vacuum. Then placed ideal volume of refrigerant in the gadget, in oz, initiate the motor vehicle and look at the gauges and the temp on the vents (no longer with a digital thermometor). Inject small volume of dye in gadget and run for fifteen minutes. Take your black mild and look at gadget for leaks.