SpectraPure
SpectraPure®Inc.
480.894.5437 Call us toll-free 1.800.685.2783
2167 East Fifth St, Tempe, Arizona 85281
®
20
1. Low production rate:
a. plugged pre-filters.
i. Replace pre-filters.
b. low water temperature. ii. Heat feed water OR use higher GPD membrane.
c. low line pressure.
iii. Use booster pump OR use higher GPD membrane.
d. high TDS content.
iv. Use booster pump OR use higher GPD membrane.
e. fouled membrane.
v. Clean or replace membrane to restore flux.
f. plugged flow restrictor. vi. Replace flow restrictor & membrane.
2. Zero production rate:
a. Missing flow restrictor. i.
Put flow restrictor in the yellow line.
b. Dried RO membrane.
ii. Try to restore flux by soaking in rubbing alcohol
OR
replace
the
membrane.
c. Plugged flow restrictor. iii. Replace flow restrictor and replace
the
membrane.
3. Extremely high production rate:
a.
Ruptured
membrane.
i.
Replace
b. Very high line pressure (> 80 psi). ii. Use a pressure reducing valve.
4. Pressure gauge does not register pressure when the system is “ON”:
a. Missing flow restrictor.
i.
Put flow restrictor in the yellow
line.
b. Pressure gauge screwed in too far.
ii.
Unscrew pressure gauge one
turn
and
retest.
c.
Plugged pressure gauge orifice.
iii. Clean orifice with a needle.
d. Defective pressure gauge.
iv. Replace it.
5. Low deionization cartridge life:
a.
Defective
membrane.
i.
Replace
it.
b. Low pressure (< 40 psi).
ii. Use booster pump.
c. High CO2 levels in water (> 5 ppm).
iii. Aerate RO product water or use a
straight
anion
cartridge
ahead
of
DI
cartridge.
(Call
Technical
Support)
d. High TDS in feed water (> 1000 ppm). iv. NO EASY SOLUTION.
e. High levels of silica, nitrates,
v.
Use straight anion cartridge
ahead
of
mixed-bed
for
phosphates
etc.
in
tap
water.
f. Bad or faulty DI cartridge.
g. High pH tap water (> 9.0).
vi. Acidify feed water to the RO
membrane
to
improve
its
rejection.
h. Faulty monitor/probe.
Test and Replace if required.
TROUBLESHOOTING GUIDE:
