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Problem
Cause
Solution
20. Performance of the
water softening
device decreases
after a few months
or years.
Wrong execution of water
treatment.
Check the water treatment
cycles. Correct the water
treatment cycles and replace
the resin.
Frequent lack of salt or
insufficient amount of salt in
the brine tank.
Replace the resin and make
sure that the amount of salt is
never below the water level.
Contaminated resin
Replace the resin.
Incorrectly set performance
of the water softening
device.
Check the water hardness
and the installation of the
water softening device,
program the system again
(volume tables, page 32-33).
If there is no improvement,
replace the resin.
21. Regulating valve
Foreign particles in the drive
wheel.
Call for service
Water treatment times were
set to zero.
Check the program settings
and restart the system.
Regulating valve damaged
Call for service
22. Lack of indications
on the display.
Lack of power supply in the
socket.
Repair the faulty socket.
The power supply unit is not
connected to the electric
socket or the cable is not
connected to the power
supply input of the control
valve.
Connect the power supply
unit to the socket and the
cable to the device.
Wrong voltage of the power
supply.
Ensure appropriate voltage of
the power supply
Power supply unit damaged.
Replace the power supply.
Display screen failure.
Call for service
