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to  operate  the  machine,  reservoir  or  mains  water,  you  may  come  across 
different sound alerts. 

 
MACHINE WITH RESERVOIR FILLING 
Alarm 1

:  using  the  machine  with  reservoir  filling,  the  buzzer  will  automatically 

produce an audible signal if there is no water in the reservoir.  

 
MACHINE WITH MAINS WATER OR RESERVOIR FILLING

 

Alarm  2: 

following  continuous  activity  of  the  motor  for  longer  than  60 

seconds the buzzer will automatically produce an audible signal.   

Alarm 3

: in case of pump malfunction the buzzer will automatically produce 

an audible signal. 
 

NOTE

 Consult the following Paragraph 8.3.

to find out how to proceed in the event 

of an alarm.

 

8.3 BEEP ON-OFF SWITCH ALARM (ONLY FOR VALEXIA 
MODEL) 

Above  the  acoustic  warning  switch  located  on  the  front  of  the  machine 
(fig.15, tab. 1 - only for the Valexia model) is the following illustration: 
 

 

 

Remember to turn on the switch when you choose to use the 
machine with reservoir. An audible alert will signal a lack of water in 
the reservoir. Turn off the switch if the machine is to be used with 

mains water connection. 
 

 

Summary of Contents for ALEX DUETTO 4 PLUS

Page 1: ......

Page 2: ......

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Page 4: ...N 8 5 GENERAL OPERATION 8 5 1 DISPLAY 8 5 2 PARAMETER SETTING 9 5 3 PARAMETERS 9 5 4 PRESET PARAMETERS 10 5 5 DEFAULT PARAMETERS 10 5 6 WATER AND STEAM BOILER TEMPERATURE RANGE 11 5 7 CHANGING TEMPERA...

Page 5: ...COUSTIC ALARMS FROM BUZZER UNIT 15 8 3 BEEP ON OFF SWITCH ALARM ONLY FOR VALEXIA MODEL 16 9 DISPENSING 17 9 1 PREPARING ESPRESSO COFFEE 17 9 2 PREPARING HOT DRINKS 17 10 SWITCHING OFF 18 11 MAINTENANC...

Page 6: ...RM HOUSES BED AND BREAKFASTS AND SIMILAR STRUCTURES HOTEL MOTEL AND OTHER RESIDENTIAL FACILITIES FOR GUESTS ONLY THIS MACHINE SHOULD NOT BE USED BY PEOPLE INCLUDING CHILDREN UNDER THE AGE OF 8 WITH RE...

Page 7: ...WHEN DISPENSING A BEVERAGE MAKE SURE HOT LIQUID DOES NOT SPLASH OUT DO NOT TOUCH THE HOT PARTS OF THE MACHINE IMMEDIATELY AFTER USE RISK OF BURNS IMPROPER USE MAY CAUSE INJURIES 1 FOLLOW THE INSTRUCT...

Page 8: ...e 12 Casilina Stazione Sgurgola 28 A 03012 Anagni FR Italy Tel 39 0775 774036 Fax 39 0775 768524 info gruppoizzo it www gruppoizzo it www caffeizzo it www alexduetto com The freephone number is valid...

Page 9: ...children to approach the machine with the intention of playing with it In particular the metal parts of the following components must not be touched since they are very hot during use dispensing unit...

Page 10: ...roduct must be disposed of separately from municipal waste at the end of its life must be handed in at a collection point for electrical and electronic equipment waste or returned to the dealer when p...

Page 11: ...elled dry smooth and stable supporting surface in a well ventilated area Before using the coffee machine make sure that the dispensing lever is facing downward fig 8 tab 1 the water and steam knobs ar...

Page 12: ...5 5 3 PARAMETERS PARAMETER DISPLAY DESCRIPTION F 01 F Unit for measuring degrees in Fahrenheit C Unit for measuring degrees in Celsius F 02 2 Enabling coffee dispensing channel 1 3 Enabling water and...

Page 13: ...hannel E3 X Not used 5 4 PRESET PARAMETERS It is possible to reconfigure the Display with default parameters factory settings using the PRESET operation To perform the PRESET press the key and turn on...

Page 14: ...T1 coffee boiler T2 water and steam boiler Maximum limit 80 176 120 248 1 121 249 8 1 1 122 251 6 1 15 123 253 4 1 2 124 255 2 1 3 125 257 1 35 126 258 8 1 4 127 260 6 1 45 128 262 4 1 5 5 7 CHANGING...

Page 15: ...unction WARNING when the machine is first turned on it is necessary to wait about 14 15 minutes to reach optimal working temperatures WARNING when the machine is first turned on make sure to fill the...

Page 16: ...s limescale resulting in easier maintenance and a better result after having lifted the upper grill fig 1 tab 2 being careful not to spill water into the machine If using the machine with reservoir se...

Page 17: ...If this check is not carried out and the tap is in the opposite water filling position the pump could break check the adhesive label located near the tap see image below IMPORTANT Lack of water can c...

Page 18: ...on the 0 16 bar pressure gauge If the pressure is to be increased turn the screw clockwise using a screwdriver fig 5 tab 2 If the pressure is to be decreased turn the screw anticlockwise using a scre...

Page 19: ...produce an audible signal Alarm 3 in case of pump malfunction the buzzer will automatically produce an audible signal NOTE Consult the following Paragraph 8 3 to find out how to proceed in the event o...

Page 20: ...isplay will show the time in seconds When the cup has been filled with the desired amount of coffee lower the lever SHOT TIMER When the dispensing starts raise the lever and the Display shows the Shot...

Page 21: ...avoid scalding 10 SWITCHING OFF The machine can always be disconnected from the power supply using the main switch I 0 fig 13 tab 1 11 MAINTENANCE AND CLEANING All maintenance and cleaning procedures...

Page 22: ...ne detergent in the blind filter then insert the filter holder under the dispensing unit When the machine is ready for use raise the dispenser lever for about 10 seconds and then lower it for another...

Page 23: ...et up for mains water connection Silent internal rotating pump externally adjustable 3 way tap for selecting the water filling method New certified stainless steel solenoid valve Water draining Drip t...

Page 24: ...m 4 5A coffee 4 5A water steam Reservoir 2 litres 2 litres 2 litres Drip tray 1 6 litres 1 6 litres 1 6 litres Boiler capacity 0 8 litres coffee 1 8 litres water steam 0 8 litres coffee 1 8 litres wat...

Page 25: ...4 5A coffee 4 5A water steam Reservoir 2 litres 2 litres 2 litres Drip tray 1 6 litres 1 6 litres 1 6 litres Boiler capacity 0 8 litres coffee 1 8 litres water steam 0 8 litres coffee 1 8 litres wate...

Page 26: ...ffee dispenses too quickly Check if the coffee is ground too coarse Coffee is not dispensed or it is dispensed too slowly during the dispensing stage The coffee is too finely ground or pressed too muc...

Page 27: ...not be attributed to defects in the manufacturing of the machine as well as all electrical and electronic parts The warranty also excludes any operations for installation and connection to the power s...

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