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E-mail
zhongbao.lei@njshuangxue.com
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Phone
18795808101
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Address
Building 9, Liandong U Valley, No.1 Hengyi Road, Nanjing City
Nanjing Shuangxue Analytical Instrument Co., Ltd
zhongbao.lei@njshuangxue.com
18795808101
Building 9, Liandong U Valley, No.1 Hengyi Road, Nanjing City
| Fault phenomenon | Possible reasons | solution |
| High pressure pump does not start, unable to produce water | Power outage or unplugged plug | Check the power supply, ensure it is powered on and plugged in properly |
| Low voltage switch malfunction | Check the low-voltage switch and replace it if it is damaged | |
| High voltage switch or water level controller malfunction | Check and repair or replace high-voltage switches and water level controllers | |
| Transformer and fuse burned out | Check transformers and fuses, replace damaged components | |
| The high-pressure pump is working normally but cannot produce water | High pressure pump loses pressure | Check the high-pressure pump, repair or replace it |
| Pre filter clogged | Replace the front filter element | |
| Check valve blockage | Check and clean or replace the check valve | |
| Electromagnetic valve malfunction | Check the solenoid valve and replace it if there is a malfunction | |
| RO membrane blockage | Clean or replace the RO membrane | |
| High pressure pump does not stop | Insufficient pressure of high-pressure pump | Check the high-pressure pump, repair or replace it |
| Check valve blockage | Check and clean or replace the check valve | |
| High voltage switch malfunction | Check and replace the high-voltage switch | |
| Electromagnetic valve malfunction | Check the solenoid valve and replace it if there is a malfunction | |
| The high-pressure pump stops, but the wastewater does not stop | Electromagnetic valve malfunction | Check the solenoid valve and replace it if there is a malfunction |
| Check valve pressure relief | Check and replace the check valve | |
| After the water is full, the machine repeatedly jumps up | Insufficient pressure of raw water | Check the pressure of the raw water, and if it is insufficient, increase the pressure |
| Check valve pressure relief | Check and replace the check valve | |
| High voltage switch malfunction | Check and replace the high-voltage switch | |
| There is a pressure relief phenomenon in the system | Check the system and repair the pressure relief point | |
| The pressure tank is full of water, but pure water cannot flow out | Pressure bucket pressure relief | Inflate or replace the pressure drum |
| Rear filter clogged | Replace the rear filter element | |
| Pressure bucket ball valve damaged | Check and replace the pressure drum ball valve | |
| Insufficient pure water flow rate | Pre filter clogged | Replace the front filter element |
| Insufficient pressure of high-pressure pump | Check the high-pressure pump, repair or replace it | |
| RO membrane blockage | Clean or replace the RO membrane | |
| The wastewater ratio is imbalanced or the flushing switch is not tightly closed | Check the wastewater ratio and flushing switch, adjust or turn off | |
| The ratio of pure water to wastewater is severely imbalanced | The flushing solenoid valve is damaged | Check and replace the flushing solenoid valve |
| The wastewater proportioner is blocked or too conductive | Check and clean or replace the wastewater proportioner | |
| RO membrane blockage or severe decrease in removal rate | Clean or replace the RO membrane | |
| The machine keeps flushing | Wastewater ratio failure | Check and replace the wastewater ratio |
| The flushing switch is not tightly closed | Turn off the flushing switch | |
| loud noise | The raw water pipeline is cut off, and the booster pump is idling | Check the raw water pipeline to ensure water supply |
| There is gas in the water | Check the condition of the raw water and eliminate any gas | |
| Booster pump malfunction | Check the booster pump, repair or replace it | |
| The placement of the pure water machine is unstable | Stable placement of pure water machine | |
| The water pipe is too long, and the vibration of the pump causes the water pipe to strike the casing | Adjust the position of the water pipe | |
| Compressor failure | Check the compressor, repair or replace it | |
| water leakage | Water leakage in the water circuit of the pure water machine | Check the waterway, locate the leakage point and repair it |
| Small Unicom leakage | Check and replace the small Unicom | |
| Water dispenser leaking | Check the water dispenser and repair the leakage point | |
| Not producing pure water | Pipeline problem of pure water machine | Check and straighten out the pipeline |
| Power issue | Check the power supply to ensure normal power supply | |
| High voltage switch or float switch malfunction | Check and repair or replace high-voltage switches and float switches | |
| Inlet solenoid valve malfunction | Check the inlet solenoid valve and replace it if there is a malfunction | |
| Insufficient pressure after booster pump | Check the booster pump, repair or replace it | |
| RO membrane damage | Replace RO membrane | |
| Rear activated carbon filter clogged | Replace the rear activated carbon filter element | |
| TDS value too high | The TDS value of the raw water is too high | Understand the TDS value of raw water and determine whether it meets the requirements |
| The desalination rate of RO membrane decreases | Check the RO membrane and replace it if it is damaged | |
| Pure water stored in the water storage tank for too long | Replace the water in the water storage tank | |
| Rear activated carbon filter element not washed | Rinse the post activated carbon filter element |