If it is needed to melt chocolate in the material bowl of the machine, it is required to put the crushed chocolate into material bowl;

Start the "Heating control burrton",the red indicator lamp shall be on and the heating system shall start working.

Start the "Temperature-insulating control button",the yellow indicator lamp shall be on and the heat-insulating system shall start working.

After both systems work concurrently, it shall take about 30`50 minutes that the chocolate in the material bowl shall melt completely(however if the temperature of the operating environment is different,the melting time may change accordingly).After the chocolate melts completely,turn off the "Heating control button",then the red indicator lamp shall turn off;keep the"Temperature-insulating control button" operating and the yellow indicator lamp shall be on;afterwards the heating system of the fountain machine shall operate under the automatic constant temperature condition to guarantee the normal operating temperature of chocolate.

Special warning: After siing the machine to melt chocolate,the "Heating control button" must be turned off after the chocolate in material bowl melts completely in 30`50 minutes;otherwise an adverse impact may be caused to the quality of chocolate solution in material bowl and the waterfall formation of fountain machine.

If the machine gets short-circuit problem or overheats, the circuit fuse and the temperature controller inside the machine shall automatically protect the heating assembly and other internal equipments to avoid damage.