Hidro-Water NEREO Manual do utilizador e do instalador - Página 9
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7.- TROUBLESHOOTING
ID
SYMPTOM
PROBABLE CAUSE
No water supply.
Brass ball valve at entrance
fully/partially closed.
Storage tank ball valve closed.
Insufficient supply pressure.
Storage tank punctured or broken.
No air in storage tank.
Zero/low
1
production
Flow restrictor obstructed.
Drain obstructed.
Excessive concentrated flow rate.
Cartridges obstructed.
Membrane saturated.
No power supply.*
Pump in poor condition.*
The membrane hasn't been fitted. Fit membrane.
Damaged membrane O-rings.
Damaged membrane housing.
Excessive
production
Membrane damaged.
2
and/or
elevated TDS
Badly connected tubes.
Damaged shut off valve.
Bitter or
Water with very low salinity level.
3
acidic taste
* Only equipment with pump
MA-EN-OSMOSIS NEREO-RO-0206-XX-PSM-21-V01.0
16
SOLUTION
Wait until the water supply has
been restored.
Open the entrance valve fully.
Open the storage tank valve fully.
Check mains pressure. If it is lower than
2.5 bars, then you must install a pump
and its respective switches.
Check if water is coming out of the fill
valve. If so change the tank.
Check the pressure in the storage tank
when empty. The pressure should be at
least 0.25 bars. Pressurise if necessary.
Replace flow restrictor.
Check if the drain line is blocked. If so,
unblock it.
Check the flow in the flow restrictor,
if excessive, replace it.
Replace cartridges
Replace membrane.
Check the property's power supply or
socket. Check voltage at transformers
output. If there isn't any, replace it*.
Check that the pump increases pressure
at the membrane housing inlet. If it
doesn't, change it*.
Replace the O-rings on the membrane.
Replace the membrane housing.
Replace the membrane.
Wire the connection between the wastage
and the permeate properly.
Replace shut off valve.
Fit a mineralizing postfilter.
ID
SYMPTOM
PROBABLE CAUSE
Plastic or
Worn postfilter.
4
synthetic taste
Unpleasant
5
Contamination.
taste and smell
Air in the system.
High pressure in
White particles
6
the storage tank.
in the water
Excessive inlet
pressure.
Shut off valve
deteriorated.
Non-return
valve deteriorated.
The osmosis
Excessive inlet
system doesn't
7
stop throwing
pressure.
water away
Very little air in
storage tank.
Non-return
valve deteriorated.
The osmosis
Excessive
system starts up
sporadically
inlet pressure.
8
without water
Leak in some point
consumption
of the system
and/or faucet.
Very low inlet pressure,
lower than 1 bar.*
The osmosis
system stops
Minimum pressure
9
and starts
.
switch in bad condition*
Non-return valve
deteriorated*
* Only equipment with pump
MA-EN-OSMOSIS NEREO-RO-0206-XX-PSM-21-V01.0
SOLUTION
Replace postfilter.
Change the filters, membrane, postfilter
and sanitise.
Wait for the air to pass as there's no urgent
problem.
Check the pressure in the storage tank when
it's empty of water. The pressure should be
between 0.25 bars and 0.4 bars. Depressurize
tank if necessary.
Check the mains water pressure, if it is greater
than 4 bars it will be necessary to fit a pressure
regulator at the inlet to the osmosis system.
Replace shut off valve.
Replace non-return valve.
Check the mains water pressure, if it is greater
than 4 bars it will be necessary to fit a pressure
regulator at the inlet to the osmosis system.
Check the pressure in the storage tank when it's
empty of water. The pressure should be between
0.25 bars and 0.4 bars. Depressurize tank
if necessary.
Replace the non-return valve.
Check the mains water pressure, if it is greater
than 4 bars it will be necessary to fit a pressure
regulator at the inlet to the osmosis system.
Repair the leak and/or replace faucet.
Bypass the minimum pressure switch
(Danger that the pump could work without
water and break) *
Replace minimum pressure switch.*
Replace non-return valve*
17