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REO-PURE LP3-500 SYSTEM TROUBLESHOOTING
PROBLEM
BAD
TASTING
WATER
Membrane not flushed completely
CLOUDY
Dissolved air in feed water concentrated in
WATER
HIGH TDS IN
PRODUCT
WATER
Product tube o-rings damaged or out of place
POSSIBLE CAUSE
Increase in feed water TDS
Filter cartridges exhausted
Tank and system contaminated
Tank contaminated
Tank diaphragm ruptured
product water
Membrane element expended
Insufficient brine flow rate
Increase in feed water TDS
SOLUTION
Check feed water TDS
Replace filter cartridges
Replace filter cartridges and membrane, sanitize
system and tank
Re-sanitize tank
Replace tank
Flush one or two tanks of product water to drain
Usually clears up as condition of feed water changes.
Letting water stand will allow dissolved air to dissipate
Check, replace if necessary
Check, reject flow must be at least equal to product
Check inlet TDS, see Operating Specifications for
rejection rate.
Remove membrane element from housing. Re-install
or replace o-rings on membrane element product tube
LP3-500 Owner's Manual | 20
(continued)
flow
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