Before that, there were two compressors with auto-shutdown (electronic), one (Sap-san) worked for a year and everything just shook, without responding to all buttons, with the second (kach. Ok) everything is the same, but I attached a power button and used it in manual mode , and recently the screen went out corny, let's see what this will have. I conclude that moisture freezes or gets in and the electronic filling comes to an end, it must be kept warm.