Happy day to all of you; I recently started working on E+ program, my project is to design a hybrid cooling system for a single room, I encountered an error, and I do not know what the reason is, I checked all the data, but everything is correct, please help me. * Severe * Chilled Water Tank = CHILLED WATER STORAGE TANK 1: Water heater tank set point temperature is lower than the minimum tank temperature limit. * ~~~ * Chilled water tank set point temperature is reset to Tank Temperature Limit plus 1 C (2.00) and simulation continues. * Severe * Chilled Water Tank = CHILLED WATER STORAGE TANK 1: Water heater tank set point temperature is lower than the minimum tank temperature limit. * ~~~ * Chilled water tank set point temperature is reset to Tank Temperature Limit plus 1 C (2.00) and simulation continues. Any help would be greatly appreciated. Thank you. SILVANA