5.2.3 Resetting the system after filter change
1) Disconnect the system from power supply
2) Lift up the rear tank cover
3) Press and hold the water dispensing button with one hand while connecting
the unit to a power supply, keep holding the button until you hear 4 beeps
4) Disconnect the system again from the power supply
5) Close the rear tank cover
6) Open the rear tank cover again
7) Connect the unit to a power supply
8) Close the rear tank cover
If properly done, maintenance light should disappear and the system goes to
normal filtering mode.
5.2.4 Sanitisation and Descaling
We suggest sanitising the system every 6 months prior to the filter change and
descaling the system every 3 - 4 months if you live in a hard water area.
Contact your dealer to order the Osmio Zero Sanitisation Kit.
1) Lift the supply tank lid, then press the button repeatedly to dispense all the
water out of the internal RO storage tank.
2) Remove all 4 filters (the Sediment in the supply tank, Carbon Block, RO
Membrane and the Post Remineralisation Filter). Insert the three blank filters
from the sanitisation kit in their place.
3) Fill the supply tank with 2.5 litres of water (do not put more in) and place it
back on, add two Milton tablets when sanitising the system (or one tablespoon
of citric acid when descaling), then wait for 5 minutes until dissolved.
4) Close the supply tank lid, this will refill the internal RO storage tank with
Milton solution (or descaling solution), wait until the pump stops and the
filtering light goes out. When the Replace Water light comes on and there is still
over 2cm of water in the supply tank, open and close the Supply Tank Lid to
enable the water level in the Supply Tank to drop to approximately 2cm level.
Then dispense 300 ml of water.
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