Cab air-con was blowing warm air. Unableto reset. ~~~~~ Cab air-con was blowing warm air. Unable Cleaned condenser filter,replaced can filter,cab temperature setting ok.Found freon low-55psi & top up to 70/250psi.Monitor cab area cooling ok.Cut in/out ok. Done by Fazil/Sufian/Lingkeswaran  01/05/23