The SMI RL-175D warm water dispenser has a vertical shape and a novel appearance. It has the advantages of convenient drinking water, low noise, power saving and good safety performance. If the fault is caused by improper maintenance, the working principle of this circuit and the maintenance method of common faults are for the user's own maintenance. The structure and working principle of the whole machine The whole machine structure is mainly composed of casing, smart seat, water bucket, hot tank, hot water tap, warm water tap and storage cabinet. When in use, the bottled water is inverted and buckled to the intelligent water guide column of the water dispenser. The drinking water flows into the hot tank automatically through the water guiding column and the water bucket, and the hot water is heated by the hot water tap; the other routing water bucket directly passes the warm water tap to the warm water. .