Alot of ice inside the place the copper lines connect too. Last year the air conditioner stopped working on the 2017 forester at ~10k miles and almost 1 year old. The Anatomy Of An Air Conditioner Daikin If your air conditioner starts then stops after only a few seconds or your air conditioner turns off after 30 seconds, then chances are there’s a problem with your run capacitor and you will need to replace the part. Air conditioner stopped working then started again . When the air conditioner stops and starts problem. Electrical issues are perhaps the most difficult problem to diagnose when it comes to an a/c unit that has stopped working. Toyota ac stops working, starts again. First, a visual inspection of all the wiring should be done to see if any wires are broken or frayed. The air conditioner has a foul smell. The next day, the air was cold again and it ran fine for about week. Problem happened again driving as after 20 minutes of driving, the air got warm. ...