Неправильно расположена плата с радиатором с точки зрения охлаждения.(ребра вертикально должны быть, а еще лучше кулер поставьте). This can be also proven through the presented warranty, which at 5 years is very very long, presented this unit's insane power density rating. Basically, the SX1000 is a small, only in Proportions, https://idealprocessandautomation.com.au/