Smeg CMSU6451X ユーザーズマニュアル

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•  Press  the  OK  button  (C5)  and  refill  the  water  tank  with 

clean water.

•  The descale programme is now terminated and the appli-

ance is ready to make coffee again.

NOTE: If descaling is interrupted before completion, the ma-
chine still displays the descaling message and the process must 
be begun again from the beginning. 
Empty the water tank, rinse with clean water and deliver a cup 
of hot water.

 Important!   FAILURE TO DESCALE THE APPLIANCE REG-

ULARLY INVALIDATES THE GUARANTEE.

To change coffee temperature, proceed as follows:
•  press  the  MENU  button  (C2)  (the  light  over  the  button 

comes on) then press the NEXT button (C3) repeatedly until 
the appliance displays “TEMPERATURE HIGH...”;

•  press the CHANGE button (C4) until the appliance displays 

the required coffee temperature;

•  press the OK button (C5) to confirm the temperature se-

lected;

•  Press the MENU button (C2) to exit programming mode or 

NEXT (C3) to change other parameters.

The appliance is set by default to go off automatically 30 min-
utes after the last coffee has been made. 
To change this interval (max. 120 min), proceed as follows:
•  Press  the  MENU  button  (C2)  (the  light  over  the  button 

comes on) then press the NEXT button (C3) repeatedly until 
the appliance displays “OFF AFTER...”

•  Press the CHANGE button (C4) to change the number of 

hours the appliance remains on.

•  Press the OK button (C5) to confirm.
•  Press the MENU button (C2) to exit programming mode or 

NEXT (C3) to change other parameters.

The descale message is displayed after the appliance has been 
operated for a factory set period of time calculated on the basis 
of the maximum quantity of limescale which may be contained 
in the water used. 
The operating period can be extended if required, making des-
caling less frequent by programming the machine on the basis 
of the real lime content in the water used.  
Proceed as follows:
•  remove the “Total Hardness Test” strip (attached to page 2) 

from its packaging then dip it fully in the water for a few 
seconds,

 

Then remove and wait about 30 seconds (until it changes 
colour and forms red squares).

•  switch the machine on by turning the    knob (C6) to the 

right or left (fig. 6);

•  press the MENU button (C2) then press the NEXT button 

(C3) repeatedly until the appliance displays “WATER HARD-
NESS 4”;

•  press the CHANGE button (C4) repeatedly until the number 

coincides with the number of red squares on the test strip 
(for example, if there are 3 red squares on the test strip, 
press the button until “WATER HARDNESS 3” is displayed).

•  press the OK button (C5) to confirm. 
 

The coffee maker is now programmed to provide the des-
cale warning when necessary based on the actual hardness 
of the water. 

If you change the original values, the default values can be reset 
as follows:
•  Press the MENU button (C2) then press the NEXT button 

(C3) repeatedly until the appliance displays “RESET TO DE-
FAULT NO”;

•  press the CHANGE button (C4) and the appliance displays 

“RESET TO DEFAULT YES”;

•  press the OK button (C5) to reset the default values; 
•  The appliance is now reset to the default settings and the 

“READY” message is displayed.

This function is available to customer services personnel only. 

To change the language, press the CHANGE button (C4) for at 
least 5 seconds until the appliance displays the installation mes-
sage in various languages.  
Select the required language as described in the section “Using 
the appliance for the first time”.

Each time the appliance is turned off, it performs an automatic 
rinse cycle which cannot be interrupted. 

 Danger of burns!  During rinsing, a little hot water 

flows from the coffee spouts. Avoid contact with splashes of 
water. 
To turn the appliance off, turn the   knob (C6).
The appliance performs the rinse cycle then goes off.