Please check the following issues before sending to the designated repair offices.
| Trouble | Possible cause | Solution |
| The screen doesn't light, and the machine doesn't make water | ● The machine is not plugged in | ● Plug the power plug in |
| The flow of clean water is very small or no water production | ● The filter exceeds its service life or is blocked | ● Replace filter |
| ● Whether the power supply voltage of the power supply connection is consistent with the rated voltage indicated on the nameplate | ● Switch to a power supply with the same rated voltage | |
| ● The pump is not working | ● Contact the official after-sales service | |
| ● Check if the raw water temperature is too low | ● Use raw water that meets the water temperature requirements | |
| The water purifier does not produce hot water | ● The hot water temperature is not selected | ● Refer to " Take hot water " |
| ● The water level in the pure water cup is below the minimum water level | ● After the water level of the pure water cup reaches a higher level, taking hot water again | |
| Odor | ● The filter exceeds its service life | ● Replace filter |
| ● The purifier has not been used for a long time | ● Follow the user manual to flush the device and clean the raw water tank and the pure water cup | |
| The pure water TDS value remains unchanged at 30 | ● The raw water has not been replaced | ● Replace the raw water and remake water |
| ● The filter exceeds its service life | ● Replace filter | |
The water purification indicator"  " flashes |
● The pure water cup is not installed in place | ● Take out the pure water and install it back to the machine |
Notes: If any other failures occurred, which need professional tools, in order to avoid danger, the machine must be repaired or replaced by manufacturer, other maintenance offices or professionals from similar offices.
