. There is an adjustment button on the instrument, click the adjustment function. Select the electric heating function and the temperature will flash after selection. After selecting the temperature, continue to click Settings and the time will flash. Set the heating time that suits you. Auto heating will be turned on and it will automatically heat at the time you set each day.
2. This temperature setting is automatically electric heating, and it is best to set it below 20 degrees or less. Otherwise, it will automatically heat up when the water temperature in the water tank is low on a cloudy day, which will consume a lot of electricity. It should be 1500 W.
3. Check the line. If there is no problem, you can reset it. If it still does not work, call customer service.