B&R Industries REVERSE OSMOSIS Owner's manual - Common Problems/solutions
“I have too much Total Dissolved Solids
(TDS) in the product water”
1. Membrane expanded.
2. Membrane attacked by chlorine. (does not
apply to CTA element)
3. Check valve failure on low control
assembly.
4. Insufficient brine flow rate/screen on
flow control assembly plugged.
5. Clogged prefilter/creates pressure drop
and low brine flow.
4. Feed pressure too low.
7. Insufficiently flushed postfilter cartridge.
8. Increase in feed water TDS.
“I have no water or not enough water”
1. Feed water shut off.
2. Low feed pressure.
3. Prefilter cartridge clogged.
4. Screen or flow control assembly plugged.
5. Membrane fouled.
Replace membrane module. (Contact your local
dealer)
Carbon prefilter may be exhausted. Replace with
new cartridge.
Replace check valve tee. (Contact your local dealer)
Replace or flush out screen and/or flow control
assembly. (Contact your local dealer)
Replace prefilter cartridge.
Feed pressure must be at least 40 psi.
Flush postfilter with RO water. One or two tanks
should be sufficient.
(Contact your local dealer)
Turn on feed water.
Feed pressure must be at least 40 psi.
Replace prefilter cartridge.
Replace or flush out screen and/or flow control
assembly. (Contact your local dealer)
Determine and correct cause or replace membrane.
(Contact your local dealer)
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