Ecosoft ROBUST 1000 Installer And User Manual page 19

INSTALLER AND USER GUIDE FOR REVERSE OSMOSIS SYSTEM ECOSOFT ROBUST 1000, ROBUST 3000
The system keeps switching
on and off and does not stop
The system does not switch
on
The system does not switch
off (although purified water
faucet is closed, pressure tank
is full or not used)
The system has switched off
but continues to send water
to drain
Recovery has decreased
significantly
Water is not discharged to
drain when the system is on
Purified water is hazy or
cloudy but becomes clear
after a few minutes
Purified water has a taste or
odor
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Surges in feed water pres-
sure just above low pressure
switch setting
Feed valve or main shut off
valve is closed
Low pressure switch failure
High pressure switch failure
Clogged membranes
Solenoid valve failure
Clogged membranes
Clogged pre-filter
Clogged membranes
Clogged flow restrictor
Air bubbles trapped in the
system
Expired post-filter
Membrane preservative was
not completely flushed after
the installation
Contamination of the system
Eliminate pressure surges.
Check supply water piping for
clogs and other obstructions
and eliminate if present.
Open all valves on supply
water pipes. Check for clogs/
obstruction.
Replace low pressure switch.
Verify proper electrical
contact.
Replace high pressure switch.
Verify proper electrical
contact.
Replace membranes.
Replace the solenoid valve.
Protect the system from de-
bris and particulates if present
in feed water.
Replace membranes.
Replace pre-filter.
Replace membranes.
Clean flow restrictor or
replace if necessary.
Some air may remain in the
system for a few days after
installation and will go away
on its own.
Air bubbles may appear in
water if there is a large differ-
ence between feed water and
ambient temperature.
Replace post-filter.
Flush the RO system and
discard all rinse water.
Sanitize the system according
to instructions in section 7.
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