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Problem:
With the display on and functioning, after opening water, the motor doesn't start.
Cause
Maximum pressure
switch
Pump
Burned Motor
Capacitor
Problem:
With the display on and functioning, after opening the water the motor starts but
does not supply water.
Cause
Low pressure alarm
Clogged pre-filter(s)
Solenoid valve faulty
Burnt coil
Wrong wiring
Problem:
The machine produces little water.
Cause
Clogged solenoid valve
Clogged filter
Clogged membrane
Low pressure
It is advisable to install a pressure gauge on the way to the pump, to check the
operating pressure.
Problem:
With the tap closed, the machine does not stop or runs intermittently
Cause
Pump pressure switch
faulty.
Non-return valve
Problem:
With the tap open, the machine works intermittently, in fits and starts.
Cause
High pressure switch set
at too low a pressure.
7596043 – MANUAL WO-30-01 ENG_REV. 2
Check operation and calibration.
Check pump conditions, if necessary replace it.
Replace the motor
Replace it
Check inlet tap;
check inlet pressure.
Replace prefilter(s).
Replace the solenoid valve.
Replace the coil.
Check the wiring and fastening of cable that goes to terminals.
Check the input solenoid valve status and operation, if it is clogged,
replace it.
Replace the filter.
Replace the membrane.
Verify correct operating pressure
Check the status and functioning of the pressure switch.
Check permeate block and non-return valve function.
Perform the pressure switch calibration.
Solution
Solution
Solution
Solution
Solution
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