Gaggia Milano La Giusta Operation And Maintenance Manual Download Page 38

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English

TROUBLESHOOTING

A list of the possible machine faults is given below.

101010

Problem

Cause

Solution

The machine does
not turn on

1. Mains switch off

1. Position the power button to position ON

2. Machine switch off

2. Position the machine switch to position 1

3. Incorrect electrical mains connection

3. Contact specialized personnel in order to

check the connection

No water in boiler 1. Mains tap closed

1. Open the mains tap

2. Clogged pump filter

2. Replace the filter

3. Motor driven pump out of order

3. Contact specialized personnel

4. Boiler filling solenoid valve out of order

4. Contact specialized personnel

No group brewing 1. Mains tap closed

1. Open the mains tap

2. Motor driven pump out of order

2. Contact specialized personnel

3. Clogged gigleur

3. Contact specialized personnel

4. Burnt control box fuse

4. Contact specialized personnel

5. Group solenoid valve out of order

5. Contact specialized personnel

6. Group switch out of order

6. Contact specialized personnel

Steam fails to
come out of the
wands

1. Too much water in boiler

1. Contact specialized personnel

2. Damaged resistance

2. Contact specialized personnel

3. Clogged sprayer element

3. Clean the sprayer element

4. Resistance saver engaged

4. Contact specialized personnel

Signs of water
leakage on bench

1. Dirty drain tray

1. Clean the tray

2. Drainage pipe clogged or detached

2. Contact specialized personnel

3. Other leakage

3. Contact specialized personnel

Wet coffee dregs

1. Little ground coffee in the filter

1. Increase the coffee dose in the filter

2. Grinding regulated too fine

2. Adjust grinding value

3. Solenoid valve fails to discharge

3. Contact specialized personnel

Coffee brewing
too slow

1. Grinding regulated too fine

1. Adjust grinding value

2. Dirty filter holder

2. Replace the filter and undertake more

frequent filter holder cleaning

3. Clogged group

3. Contact specialized personnel

4. Gigleur or solenoid valve partially clogged

4. Contact specialized personnel

Coffee brewing
too fast

1. Grinding regulated too large

1. Adjust grinding value

Cold coffee
brewed

1. Lime scale present on the exchangers or

the resistance

1. Contact specialized personnel

2. Oxidized pressure switch contacts

2. Contact specialized personnel

3. Defective electrical connection

3. Contact specialized personnel

4. Partially burnt out resistance

4. Contact specialized personnel

Too hot coffee
brewed

1. Set point temperature too high

1. Regulate the set point temperature on the

display

Summary of Contents for La Giusta

Page 1: ...Professional Espresso Machine OPERATION AND MAINTENANCE WARNING This instruction manual is intended exclusively for personnel with adequate expertise EN US ...

Page 2: ... take care of leaving a clear area of at least 30 cm around the machine It is forbidden to use jets of water for cleaning operations Only install the appliance in places where it can be supervised by qualified personnel The use by children older than 8 years or by persons with reduced physical mental or sensory abilities or with lack of experience and skills is allowed provided that they are super...

Page 3: ...current not exceeding 30 mA Connect the appliance to a drinking water main with pressure between 0 15 MPA and 0 8 MPA 1 5 and 8 bar see data on the data plate In case of filling tube replacement use the new set of tubes supplied with the appliance not the old one Access to the internal area is restricted to persons having knowledge and practical experience of the appliance in particular as far as ...

Page 4: ...d maintenance menu 8 2 Programming coffee dose 8 3 Programming tea dose hot water 8 4 Structure of coffee and tea dose programming menu 8 5 Brewing Coffee 8 6 Continuous coffee doses 8 7 Tea brewing 8 8 Steam dispensing 8 9 Special functions 9 CLEANING AND MAINTENANCE 9 1 General Notes for Correct Operation 9 2 Cleaning and Scheduled Maintenance 9 3 Unscheduled Maintenance 10 TROUBLESHOOTING 11 ST...

Page 5: ...r and the installation technician and must be always available for reference purposes 1 1 The machine manual is destined for the user the maintenance technician and installation technician 1 1 The purpose of the instructions booklet is to indicate the envisaged uses of the machine for which it has been designed its technical features in order to provide advice on correct use its cleaning and regul...

Page 6: ...on and subsequent manuals without any obligations to provide updates to previous versions 1 1 The manufacturer declines all responsibility in the event of 1 the improper or incorrect use of the coffee machine 1 uncompliant use with what is specifically stated in the present booklet 1 serious lack of maintenance as envisaged or recommended 1 machine modifications or any non authorized intervention ...

Page 7: ...achine 1 1 Machine off 1 Warning Turn off the electrical supply before removing the protections 1 1 Hot surfaces 1 Caution Hot surfaces 1 1 Warning 1 Warning Particularly important and or delicate operations 1 1 Prohibition 1 It is used to highlight actions operations not to be performed 1 1 Important 1 Warning Operations essential for efficient function 1 1 User 1 Operations which may be carried ...

Page 8: ...re the temperature is lower than 2 C or higher than 32 C and in particularly humid or dusty places 2 2 Using the machine for any other purpose is considered dangerous and as a misuse 2 2 Do not place inside the appliance any product that may become dangerous as a result of unsuitable temperatures 2 2 Misuse voids all forms of warranty releasing the Manufacturer from any responsibility for damage t...

Page 9: ...ucted on how to use the appliance correctly and that they understand the hazards involved 3 Children must not play with the appliance Children must not carry out any cleaning and maintenance operations without being monitored 3 The user is responsible for third parties in the working area 3 The installer user and maintenance technician are obliged to notify the constructor of any defects or faults...

Page 10: ...conditions Damaged cables must never be repaired using insulating tape or clamps 3 Do not expose the machine to the elements sun rain etc 3 Prolonged machine standstill at temperatures of under 0 C zero degrees centigrade may cause serious damage or breakage to the boiler and the piping Therefore it is necessary to completely empty the water circuit before every prolonged standstill 3 The removal ...

Page 11: ...s the right to reject validity 3 The user must comply with the current safety laws in force in the country of installation as well as common sense and ensure that all maintenance operations are regularly carried out 3 Never clean the internal area of the machine with power supply on or with the plug connected In any event do not use water jets or detergents 3 3 3 3 3 The user must not touch the ma...

Page 12: ...t water 3 Clogging may cause the generation of sudden liquid or steam jets with serious consequences Keep the water as clean as possible using filters and water softeners 3 The cups and small coffee cups must be thoroughly dried before placed on the relative surface 3 Access to the internal area is restricted to persons having knowledge and practical experience of the appliance in particular as fa...

Page 13: ...ight of group with filter holder inserted with flap rack 80 140 77 Weight kg 70 70 Power supply 220V 60 Hz 220V 60 Hz Boiler inner volume l 14 14 Total machine power M 4000 4000 Boiler resistance W 4000 4000 Nominal pump flow rate l h at 1 bar 190 190 Nominal pump flow rate l h at 10 bar 175 175 A weighted sound pressure level dB A below 70 dB below 70 dB 4 4 4 4 ...

Page 14: ... group with filter holder inserted with flap rack 80 140 77 Weight kg 94 94 Power supply 220V 60 Hz 220V 60 Hz Boiler inner volume l 21 21 Total machine power M 5400 5400 Boiler resistance W 5250 5250 Nominal pump flow rate l h at 1 bar 190 190 Nominal pump flow rate l h at 10 bar 175 175 A weighted sound pressure level dB A below 70 dB below 70 dB 4 4 4 4 ...

Page 15: ...English 17 5 5 INSTALLATION 5 5 5 5 5 A Water Net B Drainage pipe C Water Filter D Protection switch E Motor pump power supply cable F Drain cup G Drain pipe H Filling tube I Inlet pump 5 ...

Page 16: ...top must be 110 cm the highest surface of the appliance shall however be at least 1 5 m from the ground level 5 the gradient of the supporting surface should NOT exceed 2 5 Proceed with installation following the instructions according to the sequence as described below 5 5 5 1 Water connection 5 Before connecting the appliance to the water network please read and follow the applicable regulations...

Page 17: ...e old one 5 5 2 Electrical connection 5 Before proceeding with electrical connection make sure that the voltage rating corresponds with that indicated on the CE plate and on the connection plate on the power supply cable Check to ensure that the electrical supply line is able to support the machine load see chapter Technical features 5 Connect to an earthing socket which complies with current legi...

Page 18: ...5 5 Depending on the regulations in force in the Country where the machine is being used the cable connecting to the power supply has to be pre set or equipped with an all pole switch with a minimum contact opening of 3 mm or with a plug complying with the same regulations 5 5 It is recommended to install a residual current device RCD with a rated residual current not exceeding 30 mA 5 5 If the po...

Page 19: ...keypad 3 Purge button 4 Left vaporiser pipe 5 Pump pressure gauge 6 Adjustable feet 7 Drain pipe 8 Right vaporiser tap 9 Water collection button 10 Touch display 11 Hot water outlet pipe 12 Right vaporiser pipe 13 Power button 14 USB port 15 Filter holder cup 16 Additional grill 6 ...

Page 20: ...turns off electrical functions disabled 6 6 2 Touch keypad 6 With the touch keypad it is possible to read information about the machine and program the doses of products and other settings 6 6 6 6 3 Button description 6 Keypad symbols 6 6 6 6 6 6 6 6 6 Single espresso 6 6 6 6 Double espresso 6 6 6 6 Programming continuous 6 6 6 6 Single long coffee 6 6 6 6 Double long coffee 6 6 6 6 Tea 6 6 6 6 Pu...

Page 21: ... the pump pressure on the gauge 5 by starting up a group with the filter holder inserted and filled with regularly grinded dosed and pressed coffee in order to get the real brewing pressure 8 9 bar for espresso 7 7 The machine is now ready for use 7 7 Brew groups warming completes in about half an hour after the set point temperature has been reached 7 Do not press the hot water outlet button befo...

Page 22: ...s assembled 7 7 7 7 7 7 7 7 7 H1 80 mm 7 7 7 7 7 H1 80 mm 7 7 3 High raised group filter holders supplied 7 Filter holders are supplied with the machine to have single or double coffee brewings 7 7 The figure below shows the various possible distances in relation to the different types of filter holder and cup holder grill used H1 cup holder grill for espresso and H2 cup holder grill for American ...

Page 23: ...menu it is possible to read the main information about the machine the brewed products and the alarms switch on the cup warmer and set the date the time and the language 8 8 The display menu is divided into four screens 8 8 1 1 1 Display menu 1 8 When the machine is switched on with the power button see section Power button it switches to display mode 8 8 8 8 Display menu 1 8 8 1 Starting up boile...

Page 24: ...arming surface 8 8 1 2 Stand by mode 8 In the stand by mode the warming of all the boilers is deactivated and the steam boiler is kept at a lower temperature but the machine keeps switched on and it is possible to automatically switch on switch off and enter the programming mode 8 8 8 8 1 2 1 Activating stand by mode 8 Go to display menu 4 see sect Display menu 4 and press the indicated menu 8 8 8...

Page 25: ...n to access the user menu 8 8 8 8 8 8 1 3 1 Password settings 8 It is possible to set three different passwords to access the menus of the machine user technical and factory settings menus 8 Only the Maintenance Technician is able to change the default password to access the technical menu and the factory settings menu 8 8 Access the user menu as described in the Access to the user menu section 8 ...

Page 26: ...of volumetric control and save them by following these steps 8 Programming coffee dose with keypad 8 Programming coffee dose with touch display 8 Make sure the machine is not in the stand by mode if this is the case deactivate this function see sect Deactivating stand by mode 8 8 2 1 Programming coffee dose with keypad 8 Press the T3 key and keep it pressed for more than 5 seconds Then check if al...

Page 27: ... again to stop brewing the coffee dose This way the new value is saved by the pulses of the dose Both the solenoid valve and the pump are deactivated thereby suspending product brewing The LED relating to the programmed key turns off 8 8 8 8 8 8 To carry out a new programming of the other coffee doses T2 T4 T5 T6 if the programming time out of 30 seconds has not been exceeded it is sufficient to r...

Page 28: ...ted button 8 8 8 8 Insert the desired dose using the plus and minus icons and confirm it with the indicated button 8 8 8 8 To carry out a new continuous programming of the other coffee doses if the programming time out of 1 minute has not been exceeded it is sufficient to repeat the same sequence of operations carried out 8 8 Exit the user menu as described in the Access to the user menu section 8...

Page 29: ... 8 8 8 8 8 After pressing the T6 key water dispensing starts When the desired tea dose has been reached press the T6 key again to stop dispensing the water dose This way the new value is saved by the pulses of the dose Both the solenoid valve and the pump are deactivated thereby suspending product brewing The LED relating to the programmed key turns off 8 8 8 8 8 8 Press the T3 key again to immedi...

Page 30: ...s coffee dose Group 1 4 Dose settings 1LONG Gr1 Programming single long coffee dose Group 1 5 Dose settings 2LONG Gr1 Programming double long coffee dose Group 1 6 Dose settings 1EXP Gr2 Programming single espresso dose Group 2 7 Dose settings 2EXP Gr2 Programming double espresso dose Group 2 8 Dose settings CONT Gr2 Programming continuous coffee dose Group 2 9 Dose settings 1LONG Gr2 Programming ...

Page 31: ... LED of the T3 key remains on for the entire coffee dispensing time 8 8 Avoid keeping it pressed for more than 5 seconds or it will enter the programming mode 8 8 8 8 Coffee will be brewed until a dose stop by pressing any of the dose button of the group used or until the maximum quantity of product is reached through a volumetric check 6000 pulses or a dispensing time out 8 The Continuous cycle s...

Page 32: ...ng the whole hot water dispensing stage 8 8 8 8 8 It is possible to stop the brewing before the programmed product quantity is reached by pressing again the dose button used for dispensing the product 8 8 The simultaneous tea or coffee brewing is possible 8 8 8 Steam dispensing 8 Slowly rotate the knob of the left or the right vaporiser tap 1 or 8 to start steam dispensing 8 It is possible to rota...

Page 33: ...nd then the T1 button while keeping pressed the T3 button 8 5 consecutive water brewing cycles are activated with a duration of 10 seconds each and a 3 second pause in between them 8 It is possible to stop the brewing before the 5 brewing cycles are completed by pressing any of the dose buttons on the keypad of the used group 8 8 This function is pre set To activate deactivate it or to change para...

Page 34: ...e disconnect it from the power supply by removing the plug from the socket and contact the nearest Service Centre 9 9 9 9 9 1 General Notes for Correct Operation 9 9 Non removable components and the machine itself must be cleaned when not differently specified only by using cold or lukewarm water with a non abrasive sponge and a damp cloth 9 9 Never use direct water jets Wring the damp cloth or th...

Page 35: ...he coffee filter E2 with the blind filter and fill in the detergent 9 Insert the filter holder F2 in the group to be washed 9 Start the wash cycle by pressing the T3 key and then the T1 key while keeping pressed the T3 key 9 5 consecutive water brewing cycles are activated with a duration of 10 seconds each and a 3 second pause in between them 9 9 During the washing cycle of a group it is possible...

Page 36: ...m in the detergent solution for some minutes remove any residuals and then rinse them 9 9 9 9 9 Clean the seat of the spout E2 by means of the supplied brush 9 9 9 9 9 Press the spout E2 complete with the seal B2 to reinsert it into the coffee group 9 9 2 1 4 Cleaning the nozzle of the steam wand 9 Unscrew the nozzle of the steam wand 4 or 12 9 9 9 9 9 Clean every hole of the nozzle by means of a ...

Page 37: ...iring filter of hot water dispensing spout 9 Unscrew the airing filter of the hot water dispensing spout 11 9 9 9 9 Clean the filter 9 9 9 9 Screw the airing filter of the hot water dispensing spout 11 9 9 3 Unscheduled Maintenance 9 Unscheduled maintenance includes every repair or part replacement 9 The Maintenance Technician is the only person authorised to perform these operations 9 ...

Page 38: ...ed personnel 3 Clogged sprayer element 3 Clean the sprayer element 4 Resistance saver engaged 4 Contact specialized personnel Signs of water leakage on bench 1 Dirty drain tray 1 Clean the tray 2 Drainage pipe clogged or detached 2 Contact specialized personnel 3 Other leakage 3 Contact specialized personnel Wet coffee dregs 1 Little ground coffee in the filter 1 Increase the coffee dose in the fi...

Page 39: ...nce needs to be stored or remains inactive for a long period carry out the same operations as described in section Location Change therefore 11 11 wrap the appliance with a cloth to protect it from dust and humidity 11 11 make sure that the appliance is installed in a suitable place temperature must be lower than 1 C and be careful not to put cartons or appliances on it 11 11 11 3 Machine dismantl...

Page 40: ... at the end of its operational life 12 12 Separate collection of the appliance once at the end of its operational life is organised and managed by the manufacturer Therefore for an appropriate disposal the user must contact the manufacturer and observe its separate collection management adopted for this appliance at the end of its operational life 12 12 Separating this product for subsequent recyc...

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