19. Defects - Malfunctions
Direct action by the customer
Before calling service personnel, to avoid unnecessary expense, check whether the machine problem corresponds to
one of the cases listed below.
PROBLEM
and the display (16) is blank.
Loss of water under the machine.
Machine heated up, but it does not Water supply or water softener tap
The automatic level-control devices
remain in operation.
Messages in explicit mode
MESSAGE
POSSIBLE CAUSES: when the message is
visualized
Machine cold
This message will appear on the display if any
Please wait
dispensing icon is pressed every time the machine
is turned on until the service boiler pressure falls
below the pre-set working pressure.
Service needed This message is displayed when the machine
requires the periodic maintenance intervention. In
order to eliminate temporary the message, keep
pressed
message will reappears in the successive relighting
of the machine with the main switch.
Softener
This message is displayed when the softener resins
need to be regenerated. (Follow the instructions on
softener maintenance).
Change water
This message is displayed when the machine
req
In order to eliminate temporary the message, keep
pressed
message will appear again at regular intervals.
Machine in
This message is displayed when the machine
stand-by
switch ON/OFF has been programmed. The
and is in stand-by status.
Energy saving
This message is displayed when the machine is in
mode
ECONOMY mode.
Messages
about washings
02_M26_UNICO_EU_2314.indd 29
02_M26_UNICO_EU_2314.indd 29
CAUSE
No electricity supply.
21).
Filter holes blocked or filter holder
(21) outlet hole dirty.
Discharge well clogged up.
Discharge basin hole blocked.
closed.
No water in system.
Same causes as above.
key for approximately 8 seconds. The
key for approximately 8 seconds. The
29 EN
SOLUTION
Check the electricity supply.
Check the position of the main switch
(1).
Clean using the special brush provided.
Clean.
Use a coarser grind.
Clean.
Clean.
Open the taps
Wait until water is available or call a
plumber.
Same solution as above.
VERIFICATIONS
When the service boiler reaches the pre-set
pressure, the message automatically disappears.
Contact the authorized technical department. The
message will be displayed until the service will be
carried out.
Once regeneration has been completed, keep the
key pressed for
approximately 8
cancel out the message.
Contact an authorised technician. The message
.
wi
Note: the
need to
by the machine.
Refer to the Technician's Manual to see how to pro-
gram the switch ON/OFF of the machine.
Press any dispensing button to force the machine
on.
Press any dispensing button to exit the ECONOMY
mode and return to the machine work phase.
Please consult this manual at the "Cleaning op-
erations ".
seconds to
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