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 applies to systems in use for more than 3 months.
When trying to identify the causes of slow and little output. Isolate the RO system by shutting off your dependant appliances. Such as ice-maker, fridge, and humidifier.
The causes are listed from the most frequent and probable to the least likely.
| 
 Causes 
 | 
 Identify 
 | 
 Solution 
 | 
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| 
 1 
 | 
 Feed water blocked 
 | 
 Make sure all lines to the RO system and within the RO head are not obstructed. Make sure the feed valve, needle valve and tank ball valve are turned on.  | 
 Untangles the lines 
 | 
|
| 
 2 
 | 
 Input pressure too low 
 | 
 If your home pressure is within the model's regulation. Make sure you have the right model. 
 | 
 Make sure all the feed valves are fully turned on or exchange for the appropriate model 
 | 
|
| 
 3 
 | 
 Wrong Line Installation 
 | 
 Using RO pictures and the owner's manual. Make sure all lines are correctly connected. 
 | 
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| 
 4 
 | 
 Excessive Demand 
 | 
 Make sure the model's capacity can support your humidifier, ice-maker and fridge's demand. 
 | 
 
 or 
  | 
|
| 
 5 
 | 
 Defective Membrane Housing (Extremely Rare)  | 
 Waste water flows non stop down the drain line and no RO water. 
 | 
 Replace the membrane housing. Contact us 
 | 
|
| 
 6 
 | 
 Clogged Membrane 
 | 
|||
| 
 7 
 | 
 ASO Clogged 
 | 
 Replace ASO 
 | 
||
| 
 8 
 | 
 Tank pressure too low 
 | 
 An empty 4 gallon tank should have 5 psi and an empty 14 gallon tank should have 7 psi. 
 | 
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| 
 9 
 | 
 Tank bladder ruptured 
 | 
 Locate the pressure valve on the tank to see if water is leaking out. If water is leaking out, then the tank needs to be replaced. Furthermore, a raptured tank tends to be very heavy compared to a regular full tank. 
 | 
||
| 
 10 
 | 
 Check valve clogged 
 | 
 Replace the Check Valve 
 | 
||
| 
 11 
 | 
 Stage 5 filter clogged (Very Rare)  | 
 Replace Stage 5 filter 
 | 
||



