Manuel Technique OsmsoeurRO400C
Version 3
Page 21 / 26
Pressure switches re-initialisation
After a PCB board replacing or after a configuration loss or also after a membrane replacing, it could be necessary to
recalibrate the pressure switches’ parameters.
SYMPTOMS :
- The water purifier flushes normally, but it doesn’t start producing water when required.
Or :
- The water purifier goes on producing water without flushing.
Re-initilaisation of inlet pressure switches:
•
Disconnect the electrical plug
•
Wait for 60 seconds
•
Connect again the electrical plug
Re-initialisation of outlet switches:
this operation has nothing to do with calibration
•
Disconnect RO400C from the electrical supply.
•
Disconnect the hose for purified water and open the
¼ turn valve .
•
Press « Calibration » button and keep it pressed.
•
Connect again Ro400C to the electrical supply,
“Calibration” button is always kept pressed.
•
Keep pressed « Calibration » button till when the red
light « Stop » appears.
•
Release « Calibration » button and wait for 2 seconds.
•
Disconnect RO400C from the electrical supply.
•
Connect again the water purifier to the electrical
supply. RO400C tests all its diodes, then flushes
before producing water again.
•
Connect again the hose for purified water.
60 s.
+
60 s.
Disconnect the hose for
purified water and open
the ¼ turn valve.
2 s.
Stop