Maintenance manual for technical assistance
Manual code 10066846 / Rel. 0.00 / March 2012
26
PROBLEM
CAUSE
SOLUTION
The leds of all the keyboard
flash.
after a few minutes the automatic filling
of water stops.
Time-out device is activated.
Turn the machine off and then back
on.
no water in mains.
open the water mains tap.
The automatic level valve is closed.
open the automatic level valve.
Some of the pipes in the circuit are
clogged.
check and replace the defective
pipes.
The probe and/or the earth are
disconnected.
check and restore the connections.
The pump works only with the
manual dispensing key.
The pump fuse of the electronic control
unit is damaged.
Replace the pump fuse of the elec-
tronic control unit (10 a).
Shut down of the electronic
system.
The control unit fuse is burnt out.
Replace the main fuse
(125 ma).
The flowmeter has a contact between the
positive pole and the earth.
check the connection of the
flowmeter.
The pump leaks water.
Poor mechanical seal of the shaft or the
o-Ring.
check the pump and take any cor-
rective actions.
The inlet and outlet connections are
loose.
Tighten the connectors.
The hexagonal nut of the pressure relief
valve or the filter are loose.
Tighten the hex connection of the
pressure relief valve or the filter.
The gasket or the o-Ring of the pressure
relief valve of the filter are defective.
Replace the gasket and the o-Ring,
take care not to change the calibra-
tion of the valve.
The motor stops suddenly or the
thermal protector is activated
due to an overload.
lime scale and mineral build-ups in the
pump have caused it to jam.
check the pump and replace it, if ne-
cessary.
The pump and the motor are not aligned. Install the pump-motor joint.
The motor is defective.
Replace the motor.
The motor is connected with an incorrect
voltage.
ensure that the power supply voltage
of the motor is correct.