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MEDICA - R200 US Version 01 08/14
Problems
Action
Sanitization reminder
alarm.
Mute alarm. Initiate Sanitization Procedure. See
Section 10 - Sanitization Procedure.
If problem persists call Customer Services.
Reservoir Low level
alarm.
Check RO system is running. RO production is
effected by water temperature - See RO
performance. See section 3.4 Flowrate vs.
temperature.
Check demand matches water production.
If problem persists call Customer Services.
Reservoir level
disconnect fault
alarm.
Mute alarm. Ensure control lead from reservoir is
properly connected.
Faulty level sensor – replace.
Check recirculation pressure has not exceeded 6
bar. The pressure cut out switch (PWS2) is
connected into the level sensor circuit and will be
displayed as a disconnected level sensor alarm.
Check loop pressure is <6 bar.
If problem persists call Customer Services.
Reduced flow from
distribution loop.
Check pressure drop across 0.2µm filter. Replace
if higher than 0.5bar.
Pump worn, call Customer Services.
Unit noise level
greater than
specified.
Open front door and secure pipework to stop
vibration.
Check air is not being drawn into the recirculation
loop.
If problem persists call Customer Services.
PASSkey not
recognized
PASSkey not valid. Request registration with
Master PASSkey holder.
If problem persists call Customer Services.
Master PASSkey not
recognized
Contact ELGA LabWater
If problem persists call Customer Services.
Pumps not running
but power on.
Check thermal overloads in electrical enclosure.
Reset by pressing.
If problem persists call Customer Services.
UV lamp not lit.
Check electrical connection to the lamp is
correctly orientated and engaged.
Check lamp filaments are intact, replace lamp if
necessary - See section 9.4 - Replacement of UV
lamp.
Do not attempt to test lamp outside housing.
If problem persists call Customer Services.
Unit will not operate.
Insufficient feed flow/pressure causing low feed
pressure alarm - check pre-treatment filters.
Unit in sanitization mode and awaiting presence
of PASSkey. Present sanitization PASSkey if
appropriate. Leak detector alarm activated.
If problem persists call Customer Services.
Low feed pressure
alarm.
MUTE alarm and check feed pressure into the
unit. Ensure greater than 2 bar @ 20l/min.
Press
to restart the RO.
If problem persists call Customer Services.
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Страница 21: ...MEDICA R200 US Version 01 08 14 Page 17 Schematic of typical MEDICA R200 US distribution loop...