1. Solar water heater has water leakage, you can check the upper and lower water pipes, vacuum pipes, joints
2. Check whether the water mixer, faucet and other water intake points are leaking or not closed properly.
3. There is a lot of scale in the solar water heater, which is blocked when using water. Take down the nozzle, put it for a while, and then discharge the scale.
4. If the solar water heater supplies water automatically, the sensor may fail, so it is OK to maintain the sensor.