In-machine cleaning (1) Cut off the power supply, add 800ml of hot water to the water tank, pour a package or half bottle of scale remover into the water meter water tank, and soak for 10 minute after the scale remover is completely dissolved.

(2) Plug in the power supply, drain half of the water through the faucet or electromagnetic water valve, unplug the power supply plug, wipe the bottom and periphery of the water tank with a clean rag, wipe off the scale, and then drain all the remaining water through the faucet or electromagnetic water valve.

(3) Finally, fill the water tank with drinkable water, drain all the water through the faucet or electromagnetic water valve, repeat it for more than three times, and then dry the water tank with a clean rag to finish cleaning.