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INSTALLER AND USER GUIDE FOR REVERSE OSMOSIS SYSTEM ECOSOFT ROBUST 1000, ROBUST 3000
The system keeps switching
on and o and does not stop
Surges in feed water pres-
sure just above low pressure
switch seng
Eliminate pressure surges.
Check supply water piping for
clogs and other obstrucons
and eliminate if present.
The system does not switch
on
Feed valve or main shut o
valve is closed
Open all valves on supply
water pipes. Check for clogs/
obstrucon.
Low pressure switch failure Replace low pressure switch.
Verify proper electrical
contact.
The system does not switch
o (although puried water
faucet is closed, pressure tank
is full or not used)
High pressure switch failure Replace high pressure switch.
Verify proper electrical
contact.
Clogged membranes Replace membranes.
The system has switched o
but connues to send water
to drain
Solenoid valve failure Replace the solenoid valve.
Protect the system from de-
bris and parculates if present
in feed water.
Clogged membranes Replace membranes.
Recovery has decreased
signicantly
Clogged pre-lter Replace pre-lter.
Clogged membranes Replace membranes.
Water is not discharged to
drain when the system is on
Clogged ow restrictor Clean ow restrictor or
replace if necessary.
Puried water is hazy or
cloudy but becomes clear
aer a few minutes
Air bubbles trapped in the
system
Some air may remain in the
system for a few days aer
installaon and will go away
on its own.
Air bubbles may appear in
water if there is a large dier-
ence between feed water and
ambient temperature.
Puried water has a taste or
odor
Expired post-lter Replace post-lter.
Membrane preservave was
not completely ushed aer
the installaon
Flush the RO system and
discard all rinse water.
Contaminaon of the system Sanize the system according
to instrucons in secon 7.