I :Check whether the condenser of the refrigerator is dirty. Check whether the frost is too thick on the evaporator in the warehouse. Professionals can check the refrigeration equipment for leaks. And ask professional cold storage installers to add refrigerant.
II :Check whether the seal of the installed cold storage door continues to be kept intact, and then start to check whether the refrigerator in the combined cold storage is working. Check and try whether the previously set parameters of the computer control equipment of the cold storage are kept correct and reassemble the cold storage door installation. Check whether the control equipment of the cold storage is out of order, and replace it if there is a problem. Check whether there are enough gaps for the items stacked in the warehouse and clear them