1, the heating pipe is leaking. ?
2. The ground connection at home is not good.
3. The water heater circuit is faulty.
Matters needing attention
1. If you don't use the water heater at home for a long time, try to turn off the water heater, otherwise it will not only save energy, but also greatly reduce the life of the water heater.
2. If possible, check the water heater once a year as far as possible, mainly to check whether the heating condition, key sensitivity, drain valve are in good condition, and electrical pipelines and supports should also be carefully checked.
3. Cleaning the inner container once every six months is mainly to clean the scale on the heating pipe, which is also the main reason for choosing a big brand. The after-sales service of big brands is good, which can ensure professional cleaning, and save the hard work of self-study and the price is relatively reasonable.
4. If the water heater has been used for three years or more, it is necessary to replace the heater and thermostat once, which should be replaced by professionals.
5. Clean the dirt on the shower head and water filter screen regularly to prolong the service life of the water heater.