Spectra
Pure
®
Inc.
215 S. Industrial Drive, Suite 2A Tempe, Arizona 85281-2941 480.894.5437 Fax us toll-free 1.877.527.7873
Call us toll-free 1.800.685.2783 E-mail [email protected] Visit us on the web www.spectrapure.com
19
PROBLEM
PROBABLE CAUSE
CORRECTIVE ACTION
Low system inlet pressure.
Insuffi cient feed water
pressure or fl ow
Clogged pre-fi lter
Closed valve ahead of RO
System
Check feed pressure, open
feedwater valve, check for
restrictions.
Replace pre-fi lter cartridge.
Check for closed valves.
Low system operating
pressure.
Pump not operating correctly
Defective pressure regulator
valve
Repair or Replace pump.
Replace or repair valve.
Low permeate fl ow rate
Low operating pressure
Dirty or fouled membrane
Operating on cold water
See above possible causes
for low operating pressure.
Replace it.
If possible operate with a
feedwater temperature of 72-
80 °F (22-27 °C).
Excessive Permeate fl ow
rate.
Defective product water
membrane O-rings.
Damaged membrane
(possibly due to chlorine
damage)
Ruptured membrane
Check product water tube
O-rings and replace if
necessary.
Replace membrane.
Replace membrane.
Water fl owing when system is
turned off
Inlet solenoid valve not
closing or seating properly
Clean valve or replace.
RO System cycles ON and
OFF.
Insuffi cient system inlet
pressure
See above possible causes
for low system inlet pressure.
Troubleshooting Guide:
This guide is to assist you in identifying the most common operating prob-
lems you may experience with your water purification system.
