1, high-pressure pump, whether there is waste water, if there is waste water, water inlet system and drainage system, whether there is any problem, whether the check valve is stuck, whether there is pure water flowing out of the faucet, whether the membrane is scrapped in advance, or whether it has reached its service life and the water is not smooth; Are there any jams in other places?
2. If there is no waste water, check whether the water inlet solenoid valve can't be opened and whether the water can't pass. In addition, check whether the filter element is blocked until the replacement period.
The pump doesn't work, there is no water. Check the high voltage switch.
4. The pump has no pressure (the pump is also running).
5. Check the details. If the problem is still not found, it is recommended to consult the after-sales personnel to solve the problem.