SpectraPure
SpectraPure®Inc.
480.894.5437 Call us toll-free 1.800.685.2783
2167 East Fifth St, Tempe, Arizona 85281
®
18
Problem
Cause
Corrective Action
1.
Low production rate.
a.
plugged pre-
fi
lters.
i.
Replace pre-
fi
lters.
b.
low water temperature.
ii.
Use higher GPD membrane.
c.
low water pressure (<
40 psi).
iii.
Use booster pump OR use
higher GPD membrane.
d.
high TDS content (<
1000 ppm).
iv.
Use booster pump OR use
higher GPD membrane.
e.
fouled membrane.
v.
Replace membrane.
f. plugged
fl
ow restrictor.
vi.
Replace
fl
ow restrictor &
membrane.
g.
tank bladder lost air
charge.
vii.
Repressurize bladder to 6 psi
(when empty).
h.
too much pressure in
bladder tank.
viii.
Repressure bladder to 6 psi
(when empty).
i.
ruptured bladder.
ix.
Replace tank.
2.
Zero production rate.
a.
Missing
fl
ow restrictor.
i.
Put
fl
ow restrictor in the
yellow brine line.
b.
Dried out membrane.
ii.
Replace membrane.
c.
Plugged
fl
ow restrictor.
iii.
Replace
fl
ow restrictor and
membrane.
d.
bladder lost air charge.
iv.
Repressurize bladder to 6 psi
(when empty).
e.
ruptured bladder.
v.
Replace tank.
3.
Extremely high production
rate.
a.
Ruptured membrane.
i.
Replace it.
b.
Very high line pressure
(over 90 psi).
ii.
Use a pressure reducing
regulator.
Troubleshooting Guide Continued on Next Page.
TROUBLESHOOTING GUIDE FOR RO/DI SYSTEM
