The water heater is too hot to adjust the temperature.

1. It is likely that the water pressure connected to the water heater is not enough and too little cold water is introduced, so the temperature will be too high to adjust when heating. 2. Yes. It may be because the temperature sensor of the water heater is damaged or faulty, resulting in the temperature can not be adjusted. 3. If the cold water inlet is blocked, it will slow down the cooling water, which is likely to happen. Suggested solution: 1. In this case, it is necessary to unplug the power supply first and check whether the cold water inlet is blocked. If blockage is found, it should be cleaned in time to remove the contents. After cleaning, the water pressure can return to normal, and the speed of cold water immersion can reach the appropriate water temperature faster. 2. Also check whether the water pressure of the faucet is too low. If this is caused by low water pressure, it is necessary to install a booster on the tap water pipe to improve the water pressure. Can enter the water heater to solve the problem of high temperature. 3. If the temperature sensor inside the water heater is damaged or fails, you need to unplug the power supply first and contact professional maintenance personnel to repair the water heater. If damaged, compare it. Just replace the temperature sensor in time.