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Trouble shooting guide - reverse osmosis systems – Environmental Water Systems RO4-UV User Manual

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Leak at cartridge housing,

Leak at membrane housing,

or UV housing (if applicable)

Water Flow Issues

No water

Not enough water

Water flow is restricted

Low flow from unit

Drain Issues

No drain water

Leaking drain assembly

Leak from air gap opening in

faucet or Water running out

of Air Gap adaptor of faucet

Excessive drain noise or

gurgling coming from faucet

More than usual or exces-

sive drain noise or gurgling

due to rapid water flow on

older systems

Electrical Issues

UV not working

•Locate and align O-ring into groove on top of filter housing,

•Inspect o-ring at uv housing cap

•Replace simple o-ring part for correct housing

•Replace filter and correct issue that caused the problem (no plumbing needed)

•Turn main water supply on •Turn water on at inlet connection

•Unit may not operate properly at less than 35 PSI feed line pressure (max: 75

PSI)

Make sure membrane is in middle, Stage 2 and filters are in correct locations

•Follow instructions to connect tubes to proper fittings

•Empty tank needs to fill over several hours

•Close other connected devices and allow tank to completely fill.

•Maximum limit to storage tank and 2 other devices

•Total length of combined tubing to tank, faucet, and other devices not to exceed

20 feet. Vertical piping not applicable. Remote unit location is discouraged.

•Tank needs 5-7psi without water. Too much or too little and tank will not fill and

dispense water properly. Check tank pressure with (0-20) gauge. Empty tank

than use bicycle or sport ball pump to adjust

•Empty tank completely and allow system to produce a new tank of water, empty

and repeat

Make longer loop with tubing to remove kink or bend

If there is flow rate through unit without filters then there is a need to replace

sediment and/or other filters based on water conditions and usage
Replace brine restricter
Realign drain saddle, check for open drain hole

Follow proper instructions for Air Gap installation and connections. Check hole

for proper draining and proper drain saddle installation. Check for proper drain

location

Check hole for proper draining and proper drain saddle installation

Make sure membrane is in middle, Stage 2 and filters are in correct locations

Check for proper drain location

Remove debris or restriction

Cut off excess drain tubing

Incoming pressure should not exceed 75 psi
Follow the warning in startup procedures and follow the “Burping” Procedure to

remove air in the lines

Follow troubleshooting for low water quality and fast filling tank, this creates

greater drain water flow.
Tank needs to fill more often due to greater usage
•Connect lamp cord and/or Plug in transformer.

•Make sure unit plugged into an unswtiched electrical outlet. Check GFI reset.

Surge suppression is highly recommended
•Replace UV Lamp
•Replace UV Transformer

Trouble Shooting Guide - Reverse Osmosis Systems

Misaligned, damaged or missing

o-ring

Cracked housing due to pres-

sure issues or freezing

Water supply is off

Low water pressure

Filters amd membrane placed in

the wrong order

Incorrect Tubing Connections

Storage tank depleted

Other devices connected to sys-

tem demanding too much water,

too many other devices

Lengthy plumbing run, verti-

cal plumbing, unit in a remote

location
Storage tank pressure is wrong

Storage tank valve not opened

“TDS” Creep

See RO Maintenance

Kinked or bent tubing

Clogged prefilter cartridge and/

or other cartridges
Clogged brine restricter
Misalignment of hole in drain

saddle.
Black 1/4” & 3/8” tubing misin-

stalled or backwards

Drain saddle not allowing water

to drain into trap properly
Filters amd membrane placed in

the wrong order
Drain assembly installed on bad

or non-preferred part of your

sink drain, Hole or drain tube

is blocked or obstructed with

debris

Excessive slack in drain tubing

High feedwater pressure
Air trappped in system echos

the sound of water flow

Same issues with Low Water

Quality Troubleshooting
High or greater water usage
Lamp damaged, lamp cord has

not been connected,
Transformer is not plugged in

or connected to wrong type of

outlet

Lamp has burned out
Transformer not working

Issue(s)

Possible

Causes

Solution