RO-45 model & RO-90 model - Slow and Little RO water output
The causes to the output problem are listed in the timeframe that you've owned your RO system. The grey background applies to systems in use for under 3 months and the white background applie...
RO-45 model & RO-90 model - Vibration/Noise
Noise can be sproadic and periodic as a result of sudden surge in water pressure in your household. If it occurs, don't be too over anxious to pinpoint the cause. Observe and give it a few da...
RO-45 model & RO-90 model - No RO water output
The causes to the output problem are listed in the timeframe that you've owned your RO system. The grey background applies to systems in ...
We suggest that when you install the RO system that you put a paper towel underneath the RO system to determine if any minor leaks exist. Make sure all conne...
The causes to the High TDS are listed in the timeframe that you've owned your RO system. The grey background applies to systems in use for under 3 months and...
RO-90 - Waste Water Ratio Test
Purpose: The RO takes 4-5 gallons of waste water to make 1 gallon pure water. So the "Waste Ratio" should be 4:1 to 5:1. If waste water is less than this ratio, the TDS will be high. See Fi...
How to Use the TDS Meter The TDS* meter is used to test your water's quality before and after the RO system. It also tells you when the membrane needs to be changed. Please follow instructi...
Troubleshoot Guide: Bad Taste or Bad Smell - RO-90
To help us diagnose the "Bad Taste or Smell" problem in your RO water, you would need to: Check the TDS (contaminant) level at different points along the system. Do a taste test at these points t...
Re-Pressurising your tank - RO 90
Turn off feed water supply to RO. Drain the old tank completely thru the spigot. Close the tank's valve. Point Y on Figure 1. Disconnect the YELLOW line from the tank valve. Locate the pressure v...
The best time to do this is when you are changing your filters, preferably all 5 filters. Steps: Drain the system, including the tank. Shut off all valves (Point X and Point Z on figure 1)...
Harmonic Resonance: Causes Vibrating & Humming Noise - RO-90
The loud noise & vibrating could be due to the "harmonic resonance" between the RO system & your house. This happens sometimes when the system's frequency resonates with your house'...
Need Release Air Trapped in Check Valve If your RO system makes a whining or humming noise, most likely it's due to air that got trapped in the "Check Va...
Troubleshoot Guide: Slow Output & Slow Shut Off
RO-90 (Test flow speed: A, D, C3, F) To determine why your RO's output is slower than normal, we need to test the input water pressure, and the water's output speed at different points on th...
Problem: Cloudy and aerated "milk" water from RO spigot clears up in a while. Causes: Air in water source, accumulates on top of tank, and dispenses out ...
Problem Causes Solution 1 Milky Colored Water Air in the system Air in the system is a normal occurrence with intial starting up the RO system. This milky color look will disap...