RO-PERM Waste Water: Slow to No Shutoff

The causes to the Shut off 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 dealing with No shutoff or Slow shutoff of waste water. Make sure you isolate the system from other outlets. Such as: ice-maker, fridge and humidifier. Troublshoot the system exclusively using the RO faucet as the only dispensing point.

The causes are listed from the most frequent and probable to the least likeliest.

 

 
Causes
Identify
Solution
1
Feed water blocked
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

 

3
Wrong Line Installation
5
Excessive Demand
Make sure the ice-maker, fridge and humidfier's demand is within the system's capacity

Add a bigger tank

or

Add a Permeate Pump

4

Defective Membrane Housing

(Extremely Rare)

Waste water flow non stop the drain line and no RO water.
Replace the membrane housing. Contact Us
5
Clogged Pre-filters
See the condition of the first stage filter
6
Leaks
Leaks at any outlets will cause the waste to flow none-stop
Make sure all outlets, such as, ice-maker, fridges, humidifier and faucets are accounted for.
7
Clogged Membrane
8

 

Flow Restrictor Bad

(Very Rare)

Replace Flow Restrictor

FLO-900

9

 

Check valve clogged

(Very Rare)

10

 

Insensetive Pump due to diagphrame damage

(Very Rare)

11
Low Water Temperature

See temperature chart

Water temperature too cold results in slow output from membrane, longer time to fill tank.

N/A
12

 

Stage 5 filter clogged

(Very Rare)

Replace stage 5 filter.

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