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MEDICA - R200 US Version 01 08/14
14.1
Alarm Conditions
Screen
Fault
Possible cause
Leak detection
(icon flashing)
Internal leak with enclosure
– find leak and drain water
from base.
Load
Factory default reset –
contact ELGA LabWater.
Level sensor
disconnected
(icon flashing)
High pressure in
distribution loop >6 bar.
Note: Models built from
early 2011 onwards are
fitted with over pressure
switch PSW2 which is
linked into the level
sensor circuit).
Level sensor lead
disconnected or cable cut –
check connection and lead.
High pressure on
recirculation pump outlet
caused by blocked filters /
DI cylinders or incorrectly
set distribution loop
pressure regulating valve –
(PSV1 ) see Section 6 step
7.
Poorly set pump by-pass.
Warning! Adjustment of
the pump by-pass should
only be made by ELGA
trained service
engineers.
Low feed pressure
(icon flashing)
Inlet pressure to RO pump
low – check pre-treatment
filter are not blocked and
water supply is on. Ensure
sufficient feed pressure.
Reservoir feed
quality alarm
(measurement flashing)
RO operating above quality
alarm setting – allow time
to rinse up, check quality
alarm setting and feed
quality.
Reservoir feed
temperature alarm
(measurement flashing)
Feed water temperature
above alarm setting –
check feed temperature
and run water to drain.
Outlet quality alarm
(measurement flashing)
Outlet quality above alarm
setting – check quality
setting / replace ion-
exchange cylinder.
Outlet temperature
alarm
(measurement flashing)
Outlet temperature above
alarm setting – check
temperature setting /run
water to drain.
Output quality
overrange
(--.- flashing)
Quality sensor
disconnected or broken –
check connection / replace.
Low level
(icon flashing)
Low level in reservoir –
insufficient supply, check
demand and RO
performance.
