17
sERvIcE chEck lIsT
no water is coming out of the mixer or tap
water flow does not stop
check the flow time. If needed adjust it
following the instructions at page 13.
check the solenoid valve. If debris or scale is
present, unscrew the solenoid valve, pull out
the plunger and the spring and clean them.
Use scale remover if needed. When replacing
the spring, make sure that it is in vertical
position.
water flow diminished
check the batteries. Low or used up batteries.
Replace the batteries. See page 16.
check the flow time. See page 13.
check the connection between the piezo cap
connector and the solenoid connector.
check that the battery box is correctly connected.
check the solenoid valve. If debris or scale are
present, unscrew the solenoid valve, pull out the
plunger and the spring and clean them.
Use scale remover if needed. When replacing the
spring, make sure that it is in vertical position.
check the diaphragm. If needed, clean the orifice
or replace it.
check the water supply pressure. It must be 50-
800kPa (7-116 PSI) . With water pressure of more
than 800kPa, use a pressure reducing valve.
check the filter washer(s). If needed, remove it,
clean it and reinstall it. See page 17.
