How to check if an 800G RO water purifier is working properly?

Aug 11, 2025

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Hey there! As a supplier of 800G RO water purifiers, I often get asked how to tell if these machines are working properly. Well, you've come to the right place. In this blog, I'll share some simple yet effective ways to check the performance of your 800G RO water purifier.

1. Check the Water Flow

The first thing you can do is to look at the water flow. When your 800G RO water purifier is running, the water should flow steadily from the faucet. If you notice that the water flow is weak or intermittent, there might be an issue.

A weak water flow could be caused by a clogged filter. Over time, filters can trap dirt, sediment, and other impurities, which restricts the water flow. You can check the pre - filters first. These are usually the ones that get dirty the quickest. If they look dirty or clogged, it's time to replace them.

Another reason for a weak water flow could be a problem with the pump. The pump is responsible for pushing water through the reverse osmosis membrane. If the pump isn't working correctly, the water won't flow as it should. You may need to call a professional to check and repair the pump if this is the case.

2. Examine the Water Quality

The whole point of having a water purifier is to get clean, safe water. So, checking the water quality is crucial. You can use a TDS (Total Dissolved Solids) meter to measure the amount of dissolved solids in the water.

Before the water goes through the RO water purifier, test the TDS of the incoming water. Then, test the TDS of the purified water. A good 800G RO water purifier should significantly reduce the TDS level. Generally, the TDS of the purified water should be much lower than that of the incoming water. If the TDS reduction isn't significant, it could mean that the Reverse Osmosis Membrane 400Gallon is damaged or nearing the end of its lifespan.

You can also look at the appearance and taste of the water. The purified water should be clear and odorless. If the water looks cloudy or has a strange taste or smell, there's definitely something wrong with the purification process.

3. Listen for Unusual Noises

Your 800G RO water purifier should operate quietly. If you start hearing strange noises like rattling, buzzing, or grinding, it's a sign that something isn't right.

Rattling noises could be due to loose parts inside the purifier. You can try to open the casing (if you're comfortable doing so) and check for any loose screws or components. Tighten them if necessary.

Buzzing noises might indicate an electrical problem. This could be a faulty switch, a damaged motor, or a problem with the wiring. In this case, it's best to turn off the purifier immediately and call a professional for repairs. Grinding noises could mean that there's something stuck in the pump or one of the moving parts.

4. Check the Pressure Gauge

Most 800G RO water purifiers come with a pressure gauge. This gauge shows the pressure inside the system. You should regularly check the pressure gauge to make sure the pressure is within the normal range.

If the pressure is too low, it could be due to a clogged filter, a leak in the system, or a problem with the pump. On the other hand, if the pressure is too high, it could damage the reverse osmosis membrane or other components of the purifier.

5. Inspect the Drainage

The RO water purifier produces wastewater as part of the purification process. This wastewater is drained out through a dedicated pipe. You need to check the drainage regularly.

Make sure the drainage pipe is not clogged. If the pipe is clogged, the wastewater won't be able to flow out properly, which can cause problems with the purification process. You can also check the amount of wastewater being produced. If you notice a significant increase or decrease in the amount of wastewater, it could indicate a problem with the membrane or the flow control valve.

6. Monitor the Filter Replacement Indicator

Many modern 800G RO water purifiers have a filter replacement indicator. This indicator tells you when it's time to replace the filters. Pay attention to this indicator and replace the filters as recommended.

Using old or clogged filters can not only reduce the performance of the purifier but also affect the quality of the purified water. The Household Frame Water Purifier and Home RO Water Purifier models often come with user - friendly filter replacement indicators.

Conclusion

By following these steps, you can easily check if your 800G RO water purifier is working properly. Regular maintenance and checks can extend the lifespan of your purifier and ensure that you always have access to clean, safe water.

If you're in the market for a new 800G RO water purifier or need replacement parts, we're here to help. Our products are of high quality and come with excellent customer support. If you have any questions or want to discuss your water purification needs, feel free to reach out to us. We'd be more than happy to have a chat and assist you in finding the best solution for your home or business.

Reverse Osmosis Membrane 400GallonHousehold Frame Water Purifier

References

  • Water Purification Technology Handbook
  • Guide to Reverse Osmosis Systems

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