HLF Italian Design HLF 4600 G1 Service Manual
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HLF Italian Design HLF 4600 G1 Service Manual

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SERVICE MANUAL
HLF 4600 G1/2/F
ENGLISH
I
HLF Italian Design
S.M. HLF 4600 G1-G2-F Eng V3-2013

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Summary of Contents for HLF Italian Design HLF 4600 G1

  • Page 1 SERVICE MANUAL HLF 4600 G1/2/F ENGLISH HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 2 These Operating Instructions must be read and applied by anyone performing work with or on the equipment described. In particular, it is imperative that all such persons familiarise themselves with the safety instructions. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 3: Table Of Contents

    Removing the various metal plates............6-1 6.1.1 Removing the air solenoid valves set..........6-1 6.1.2 Removing the door board cover ............6-2 6.1.3 Removing the side panels .............6-3 6.1.4 Removing the power supply unit ...........6-1 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 4 Removing the solenoid valve set ............10-3 10.4 Removing the steam outlet solenoid valve ..........10-4 10.5 Removing the coffee group plate ............10-5 10.6 Removing the water boiler ..............10-6 10.7 Removing the steam boiler ..............10-1 11-1 HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 5 “Wait for Heating” stays all the time on the display ....15-14 15.2.4 “ENTIRE CLEANING” and all the instructions for the “Entire Cleaning” routine, appear straight away even when just switch ON the machine....................15-15 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 6 16.2 Door board.....................16-4 16.3 Water level board / Steam boiler water level board .......16-5 16.4 Power stabilizer ..................16-6 Planning diagram .....................17-1 Electric diagram ....................18-1 Hydraulic circuit ....................19-1 Spare part list ....................20-1 HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 7: User Manual

    USER MANUAL 1 User manual S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 9: Exploded Diagrams

    EXPLODED DIAGRAM 2 Exploded diagrams 2.1.1 General exploded diagram (4600 G1) Coffee doser Mixing bowl Air solenoid valves set Coffee group Milk frother Drip tray micro switch cover plate Ground drawer S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 10 EXPLODED DIAGRAM Power stabilizer Main board Water level board Solenoid valves set Coffee gear motor Water boiler Air-break Power supply unit HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 11: General Exploded Diagram (4600 G2)

    EXPLODED DIAGRAM 2.1.2 General exploded diagram (4600 G2) Coffee Doser Mixing bowl Air solenoid valves set Coffee group Milk frother Drip tray micro switch cover plate Ground drawer S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 12 EXPLODED DIAGRAM Power stabilizer Main board Water level board Solenoid valves set Coffee gear motor Water boiler Air-break Power supply unit HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 13: Water Boiler Exploded Diagram

    Heating element Manual thermostat Automatic thermostat Straight push fitting for the coffee solenoid valve pipe Straight push fitting for the solenoid valve set pipe Elbow push fitting for the water pump S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 14: Steam Boiler Exploded Diagram

    EXPLODED DIAGRAM 2.3 Steam boiler exploded diagram HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 15 15. Outlet for steam wand solenoid valve 16. Over pressure valve 6 bar 17. Pressure switch 18. Elbow push fitting connected to n. 1 19. Steam boiler water level board 20. One way valve S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 16: Solenoid Valves Set Exploded Diagram

    Elbow push fittings connected to numbers 1 Overpressure valve 16 Discharge solenoid valve Mixer 1 solenoid valve Mixer 2 solenoid valve Hot water solenoid valve Steam boiler inlet solenoid valve HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 17: Air Solenoid Valve Set

    EXPLODED DIAGRAM 2.5 Air solenoid valve set Froth milk air regulator Flat milk air regulator T plastic connector Froth milk solenoid valve Anti-return solenoid valve Anti-return air regulator Milk frother air pipe S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 18: Power Supply Unit Exploded Diagram

    EXPLODED DIAGRAM 2.6 Power supply unit exploded diagram Flow Meter Water Pump Connection to Milk Fridge Main inlet water valve Power cord socket Main Switch Net Filter Transformer HLF Italian Design 2-10 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 19 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 21: Ordinary Maintenance

    Take off the drip tray and the grounds drawer; Turn each of the four levers to the 12:00 o’clock position and pull the coffee group out. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 22: Sealing And Filter Replacement (10000 Cycles Kit Installation)

    6,07 mm Star silicon gasket for coffee group Inox filter for coffee group d.32 mm h.3,4 mm Red silicon o-ring 03037 – 2,62 mm x i.d. 9,19 mm Silicon lip seal HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 23 Before to do this operation follow the procedure described on paragraph 4.1. Step Action Illustration Turn the coffee group chamber, using the proper coffee group key, until it reaches the position shown Replace the silicon gasket “A”. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 24 “B”. With the proper hexagonal key unscrew the injector and remove it. Replace the silicon gasket “C” and both gaskets “D” and put back on the injector. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 25 Sealing and filter replacement ORDINARY MAINTENANCE Step Action Illustration Loosen the screw and lift the cover. Turn the chamber to the “CAFFÈ” position. Remove the screw on the shaft and take off the spring. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 26 Replace the star silicon gasket “E“ and the filter “F”. Put back the piston, holding the piston shaft just a little outside the bottom of the chamber and insert the new silicon gasket “G”. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 27 ( under the chamber ) and stop it with the screw inserted on the piston shaft. Turn left the plastic cover and tight the screw. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 28 Turn right the mixing bowl holder and pull out the mixing bowl; Pull out the mixing blade; Turn right the mixing bowl holder till the end and pull it out; HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 29 Sealing and filter replacement ORDINARY MAINTENANCE Replace the silicon O-ring and the lip gasket; S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 30: Coffee Gear Motor Cam Adjustment

    Make sure that the plastic tooth stops between the two arrows named as “ CAFFE “. If don’t, press quickly STOP button to avoid any damage. Let the coffee group return to stand-by position and adjust the cam. HLF Italian Design 4-10 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 31 ( if the plastic tooth is too much backward off the “CAFFE” position). Try to do a coffee cycle (always pressing “espresso” key ) until you see that the plastic tooth is between the two arrows. S.M. HLF 4600 G1-G2-F Eng V3-2013 4-11 HLF Italian Design...

  • Page 32: Grinder Blades Replacement

    Step Action Illustration Remove the two screws which fix the doser metal cover and remove it. Loosen the two screws which fix the internal beans hopper and remove it. HLF Italian Design 4-12 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 33 Pay attention! Do not let the screws to fall inside the grinder. Turn the grinder head counter-clockwise till it’s totally out of the grinder. S.M. HLF 4600 G1-G2-F Eng V3-2013 4-13 HLF Italian Design...
  • Page 34 Keep screwing the head and turn the brass spiral to hear if the blades are touching together. In this very moment you have reached the finest position. HLF Italian Design 4-14 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 35 Now fix the grinder adjuster with the proper three screws. (see step 3). Go backward throughout steps 2 and 1 to replace the components previously removed. S.M. HLF 4600 G1-G2-F Eng V3-2013 4-15 HLF Italian Design...

  • Page 36: Grinder Blades Replacement (Only For 4600 G2)

    Remove all the eventually beans into the internal bean hoppers (using a vacuum). Step Action Illustration Remove the two internal bean hoppers. Loosen the four screws which fix the bracket for the internal bean hopper and remove it. HLF Italian Design 4-16 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 37 Pay attention! Do not let the screws to fall inside the grinder. Turn the grinder head counter-clockwise till it’s totally out of the grinder. S.M. HLF 4600 G1-G2-F Eng V3-2013 4-17 HLF Italian Design...
  • Page 38 Keep screwing the head and turn the brass spiral to hear if the blades are touching together. In this very moment you have reached the finest position. HLF Italian Design 4-18 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 39 Now fix the grinder adjuster with the proper three screws. (see step 3). Go backward throughout steps 2 and 1 to replace the components previously removed. S.M. HLF 4600 G1-G2-F Eng V3-2013 4-19 HLF Italian Design...
  • Page 41 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 43: Extraordinary Maintenance

    Disconnect the 2 clear pipes coming from the milk frother; Step Action Illustration Remove the 2 screws that hold the air solenoid valves set and take it off; NOTE Disconnect the connector for the air solenoid valves set. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 44: Removing The Door Board Cover

    EXTRAORDINARY MAINTENANCE Removing the various metal plates 6.1.2 Removing the door board cover Step Action Illustration Remove the 4 nuts that hold the door board cover. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 45: Removing The Side Panels

    Step Action Illustration Remove the 3 screws that hold the left side panel and take it off; Remove the 3 screws that hold the right side panel and take it off; S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 47: Removing The Power Supply Unit

    Teflon pipe from the water pump to the water boiler; Disconnect the white connector from the top of the flow meter and the power supply unit connector from the machine wiring; S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 48 EXTRAORDINARY MAINTENANCE Removing the various metal plates Lift the power supply unit up and pull it to the right to take it out. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 49 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 51: Removing Components

    Disconnect the magnet wiring from the connectors. (Cut the eventually plastic wrappers);  Disconnect the 2 cables from the doser micro switch; Step Action Illustration Loosen the two screws that hold the doser metal cover and remove it. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 52 Removing the grinder / doser Step Action Illustration Loosen the two screws that hold the internal beans hopper and remove it. Loosen the 2 screws that hold the doser to the grinder; HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 53 Removing the grinder / doser REMOVING COMPONENTS Step Action Illustration Loosen the screw that holds the grinder adjusting lever and take it off; Loosen the 3 screws and take off the grinder; S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 54 Remove the 3 screws that hold the plastic adjuster; NOTE Be careful not to loose the 3 plastic pins with springs.  Remove the 3 screws that hold the metal bracket; HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 55: Removing The Grinder / Doser (Only For 4600 G2)

    Disconnect the magnet wiring from the connectors. (Cut the eventually plastic wrappers);  Disconnect the 2 cables from the doser micro switch; Step Action Illustration Remove the two internal bean hoppers. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 56 Loosen the two screws which fix the stainless steel coffee slide and remove it. Loosen the 2 screws that hold the doser to the grinder; Repeat the procedure for both dosers. HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 57 REMOVING COMPONENTS Step Action Illustration Loosen the two screws which fix the stainless steel coffee slide and remove it. Loosen the screws that hold the grinder adjusting levers and take them off; S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 58 Remove the 3 screws that hold the plastic adjuster; NOTE Be careful not to loose the 3 plastic pins with springs.  Remove the 3 screws that hold the metal bracket; HLF Italian Design S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 59: Removing The Transformer

     Disconnect the wires from the connectors attached to the transformer;  Remove the water pump from the water pump rubber supports;  Remove the screw and take off the transformers. S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...

  • Page 60: Removing The Flow Meter

    (top one);  Disconnect the white connector from the top of the flow meter;  Pull the flow meter up to remove it from the power supply unit. HLF Italian Design 8-10 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 61: Removing The Drip Tray Micro Switch

    Remove the 2 screws that hold the drip tray micro switch support from the front of the machine and take off the micro switch. S.M. HLF 4600 G1-G2-F Eng V3-2013 8-11 HLF Italian Design...

  • Page 62: Removing The Coffee Gear Motor

    Hold the coffee gear motor with a hand, otherwise it will fall down. Disconnect all the cables of the coffee gear motor and take it off. HLF Italian Design 8-12 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 63: Removing The Door Micro Switch

    Illustration Remove the 3 screws that hold the door microswitch plate to the front door and take the plate off. NOTE Disconnect the 2 cables from the door micro switch. S.M. HLF 4600 G1-G2-F Eng V3-2013 8-13 HLF Italian Design...

  • Page 64: Removing The Door Board

    Disconnect the LCD display connector, the serial cable connector and the soft touch panel connector from the door board.  Remove the door board from the plastic supports taking care not to damage them. HLF Italian Design 8-14 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 65: Removing The Lcd Display

    Remove the2 nuts that hold the LCD display plate and take it off. Remove the LCD display from the plastic supports taking care not to damage them. S.M. HLF 4600 G1-G2-F Eng V3-2013 8-15 HLF Italian Design...

  • Page 66: Removing The Soft Touch Panel

     Remove the selection panel frame;  Remove the selection panel;  Remove the front door label;  Remove the soft touch panel. HLF Italian Design 8-16 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 67: Removing The Net Filter

    Before to do this operation follow the procedure described on paragraph 6.1.4. Step Action Illustration Disconnect all the cables connected to the net filter. Remove the nut that holds the net filter and take it off. S.M. HLF 4600 G1-G2-F Eng V3-2013 8-17 HLF Italian Design...

  • Page 68: Removing The Air Solenoid Valves

    Before to do this operation follow the procedure described on paragraph 6.1.1.  Remove the straight pipe fitting from the metal plate and take off the air solenoid valve set;  Disconnect all the cables from the air solenoid valves. HLF Italian Design 8-18 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 69: Removing The Door Locker

    NOTE When replacing it, be sure to have the key teeth looking downward when the door locker is in closed position. S.M. HLF 4600 G1-G2-F Eng V3-2013 8-19 HLF Italian Design...
  • Page 71 S.M. HLF 4600 G1-G2-F Eng V3-2013 HLF Italian Design...
  • Page 73 Enter the tech program and start the discharge pressure routine to release all the steam from the steam boiler;  When the steam stops to come out, just switch OFF the machine.  Remove the power cord. S.M. HLF 4600 G1-G2-F Eng V3-2013 10-1 HLF Italian Design...

  • Page 74: Operations On The Hydraulic Circuit

    “Check Water” message Now the user can switch OFF the machine, connect back the heating element cables and switch back ON the machine. HLF Italian Design 10-2 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 75: Removing The Solenoid Valve Set

    Disconnect all the silicon hoses going from each solenoid valve to the mixing bowls; Step Action Illustration Remove the 2 screws that hold the solenoid valves set and take it off. S.M. HLF 4600 G1-G2-F Eng V3-2013 10-3 HLF Italian Design...

  • Page 76: Removing The Steam Outlet Solenoid Valve

     Disconnect all the pipes connected to the steam outlet solenoid valve; Step Action Illustration Remove the 2 screw that holds the steam outlet solenoid valve and take it off. HLF Italian Design 10-4 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 77: Removing The Coffee Group Plate

    Disconnect the coffee group heating element cables from the connectors; Step Action Illustration Remove the screw that holds the coffee group metal plate to the machine and take it off. S.M. HLF 4600 G1-G2-F Eng V3-2013 10-5 HLF Italian Design...

  • Page 78: Removing The Water Boiler

    Disconnect all the cables attached to the water boiler;  Disconnect all the pipes attached to the water boiler; Step Action Illustration Remove the screw that holds the water boiler plate and take it off HLF Italian Design 10-6 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 79: Removing The Steam Boiler

    Y plastic connector; Step Action Illustration Loosen the screws that holds the steam boiler plate. Lift the steam boiler set and pull it to the left to take it out. S.M. HLF 4600 G1-G2-F Eng V3-2013 10-1 HLF Italian Design...
  • Page 81 S.M. HLF 4600 G1-G2-F Eng V3-2013 11-1 HLF Italian Design...

  • Page 83: Operating The Computer Software

    Gain into the software as described on previous paragraph 12.1. After the password check the first message that will appear on the LCD display will be TECH PROGRAM Settings. TECH PROGRAM Settings S.M. HLF 4600 G1-G2-F Eng V3-2013 12-1 HLF Italian Design...
  • Page 84 At this point is important to know the map of the keyboard to move through the software. The picture below shows the function associated to each push buttons to permit the entrance, the exit and the changes of the various software menu. HLF Italian Design 12-2 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 85 Button 5 is used to exit from a function and/or quit the programming function. When leaving the programming function you hear two “beeps”. The following picture shows how to move through the software: S.M. HLF 4600 G1-G2-F Eng V3-2013 12-3 HLF Italian Design...

  • Page 86: Programming Menu

    1 or 2. NOTE When a key reader payment system is installed into the cash box, keep always activated this function. Otherwise, the correct working of the payment system may be compromised. HLF Italian Design 12-4 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 87 Normally the machine is calibrated to get 7,5 8 grams of coffee. With this option 9 grams max can be reached without adjusting manually the coffee doser. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-5 HLF Italian Design...
  • Page 88 Push again button 3 the message TECH PROGRAM Temp Rising BC=N will appear on the LCD display: TECH PROGRAM Temp Rising BC=N Activate this function if you want to warm up the water for the first coffee after 10 minutes of inactivity. HLF Italian Design 12-6 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 89 Activating this function the machine will discharge the pressure of the boiler, after 5 minutes the boiler won’t have steam anymore. Using buttons 1 or 2 it is possible to change it in YES or NO. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-7 HLF Italian Design...
  • Page 90 It can be changed by the user, depending on the pressure of the water line. The higher is the pressure, the faster is the filling, so less time out has to be set. HLF Italian Design 12-8 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 91 The user should remove the coffee group from the machine and rinse it under the water tap. The message will keep blinking until the Cleaning Red Button or P5 button is pushed. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-9 HLF Italian Design...
  • Page 92 A Whipper Cleaning only can be done by the customer whenever he needs. Key 1: Whipper Cleaning: cleaning routine for the mixing bowls only; Key 2: Daily Cleaning: cleaning routine for the mixing bowls, milk system and coffee group. HLF Italian Design 12-10 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 93 A Whipper Cleaning only can be done by the customer whenever he needs. Key 1: Whipper Cleaning: cleaning routine for the mixing bowls only; Key 2: Daily Cleaning: cleaning routine for the mixing bowls, and coffee group. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-11 HLF Italian Design...
  • Page 94 Entire Cleaning routine. The user must run an Entire Cleaning routine to clear the message. NOTE If Ent Clean.Mes.=N this option is hidden and automatically turned to N, cause the message never appears. HLF Italian Design 12-12 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 95 Turning this option to Y the maximum power will be 3200W at 230V for a consumption of 14A (2400W at 120V for a consumption of 20A) At this point the menu Settings is finished. Push button 5 to quit and go to the next menu. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-13 HLF Italian Design...

  • Page 96: Money Value

    This is the minimum coin accepted by the coin mechanism installed. This is going to work as multiplier for all the coins saved on the next steps. Push button 1 or 2 to change the value. HLF Italian Design 12-14 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 97 Push buttons 1 or 2 to change the value and push button 3 to save it into the memory. Repeat the process for all six coins. At this point the menu Money Value is finished. Push button 5 to quit and go to the next menu. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-15 HLF Italian Design...

  • Page 98: Drink Price

    This menu is used to change the password requested to access the software of the HLF 4600 coffee maker. Push button 1 or 2 till the message TECH PROGRAM Change Password will appear on the LCD display. TECH PROGRAM Change Password HLF Italian Design 12-16 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 99: Set Factory Data

    This function has to be used only in those cases where the operator is not able to get the result desired after the modifications made. Using this function all the numbers changed till now will be lost. S.M. HLF 4600 G1-G2-F Eng V3-2013 12-17 HLF Italian Design...
  • Page 100 This is the last menu of the software. Pushing button 1 or 2 the next menu will be again TECH PROGRAM Settings, that is the first menu described on paragraph 1.3.1. Push button 5 to exit the software mode and get back to the operation mode. HLF Italian Design 12-18 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 101: Software Table

    SOFTWARE TABLE 13 Software Table S.M. HLF 4600 G1-G2-F Eng V3-2013 13-1 HLF Italian Design...
  • Page 103 S.M. HLF 4600 G1-G2-F Eng V3-2013 14-1 HLF Italian Design...

  • Page 105: Troubleshooting

    The grinder runs while the doser is full The doser micro switch is damaged. of ground coffee (typical short circuit Replace the doser refer to paragraph noise). 8.1.1 S.M. HLF 4600 G1-G2-F Eng V3-2013 15-1 HLF Italian Design...

  • Page 106: Check Grinder

    The coffee grinder is blocked also with Open the grinder blades and check if the blades totally opened. there something inside (refer to paragraph 4.4. HLF Italian Design 15-2 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 107: Drip Tray Full

    The drip tray micro switch is Switch off the drip tray micro switch damaged; inside the programming, to let the machine working anyway (refer to chapter 5 of the user manual); Replace the micro switch. S.M. HLF 4600 G1-G2-F Eng V3-2013 15-3 HLF Italian Design...

  • Page 108: Flow Meter K.o

    See run (the machine is trying to fill the above. steam boiler). The steam boiler inlet solenoid valve got fault. Replace it (refer to paragraph 10.3). HLF Italian Design 15-4 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 109: Coffee Gear Motor

    Try to see if the coffee gear motor relay is clicking when the coffee gear motor should run. If not replace the main board. S.M. HLF 4600 G1-G2-F Eng V3-2013 15-5 HLF Italian Design...

  • Page 110: Temp Sensor K.o

    The temperature on the display keeps The main board got fault. Replace it. raising also above the set point, but the heating element LED on the main board is OFF. HLF Italian Design 15-6 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 111: Check Water

    Only the position 1 should filling all the time. The led on the water be engaged. If yes, the water level level board is still ON; board is gone. Replace it. S.M. HLF 4600 G1-G2-F Eng V3-2013 15-7 HLF Italian Design...

  • Page 112: How To Unblock The Main Inlet Water Valve

    Switch back ON the machine for 10 seconds to let the valve open;  Switch OFF the machine and connect back the water line pipe and the overflow silicon pipe;  Switch ON the machine. HLF Italian Design 15-8 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 113: Serial Time Out

    15.1.9 Clean Cof. Group Clean Cof. Group Why? More than 1.000 coffee cycles has been run. Cause of fault Troubleshooting measure(s) Tap the CLEANING button to get rid of S.M. HLF 4600 G1-G2-F Eng V3-2013 15-9 HLF Italian Design...

  • Page 114: Door Open

    Close the front door; The front door is closed, but the The front door micro switch is damaged. message stays still. Replace it (refer to paragraph 8.6Errore. L'origine riferimento non è stata trovata.) HLF Italian Design 15-10 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 115: Descaling / Filter

    It’s programmed to do a de-scaling procedure or to change the water filter. Cause of fault Troubleshooting measure(s) Tap the CLEANING button to get rid of the message and replace the filter. Refer to the user manual to de-activate the message. S.M. HLF 4600 G1-G2-F Eng V3-2013 15-11 HLF Italian Design...

  • Page 116: Grounds Drawer

    The machine has count 40 puck inside the grounds drawer. Cause of fault Troubleshooting measure(s) Tap the CLEANING button to get rid of the message. Refer to the user manual to de-activate the message. HLF Italian Design 15-12 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 117: Entire Cleaning Required

    Cause of fault Troubleshooting measure(s) Run an “Entire Cleaning” to clear the message. Turn to N the option “Ent.Clea.Mes.” if you want to switch OFF this message. See paragraph 12.3.1 S.M. HLF 4600 G1-G2-F Eng V3-2013 15-13 HLF Italian Design...

  • Page 118: Strange Behaviours

    (refer to paragraph 15.1.6 to see how to manage) 15.2.3 “Wait for Heating” stays all the time on the display Refer to paragraph 15.2.2 HLF Italian Design 15-14 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 119: Entire Cleaning" And All The Instructions For The "Entire Cleaning" Routine, Appear Straight Away Even When Just Switch On The Machine

    Cause of fault Troubleshooting measure(s) Run an “Entire Cleaning” to clear the message. Turn to N the option “Force.Ent.Cle.” if you want to switch OFF this procedure. See paragraph 12.3.1 S.M. HLF 4600 G1-G2-F Eng V3-2013 15-15 HLF Italian Design...
  • Page 121 ELECTRONIC BOARDS DESCRIPTION 16 Electronic boards description S.M. HLF 4600 G1-G2-F Eng V3-2013 16-1 HLF Italian Design...

  • Page 122: Electronic Boards Description

    ELECTRONIC BOARDS DESCRIPTION 16.1 Main board HLF Italian Design 16-2 S.M. HLF 4600 G1-G2-F Eng V3-2013...
  • Page 123 18. “TRIAC 2” led: lightened when the steam boiler heating element 2 is working 19. Output connection 20. Output connection 21. Board power supply connection 22. Output connection 23. Input connection 24. Input connection S.M. HLF 4600 G1-G2-F Eng V3-2013 16-3 HLF Italian Design...

  • Page 124: Door Board

    16.2 Door board CLEANING button Trimmer for LCD display contrast LCD display cable connection Soft touch panel cable connection Door board microchip Serial cable connection Fast Programmer kit cable connection PROGRAM button HLF Italian Design 16-4 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 125: Water Level Board / Steam Boiler Water Level Board

     2+3 = Less sensibility than 3 (for really hard water) Led: lightened when the water level is below the minimum Water level board microchip Inlets connection 230V AC connection S.M. HLF 4600 G1-G2-F Eng V3-2013 16-5 HLF Italian Design...

  • Page 126: Power Stabilizer

    ELECTRONIC BOARDS DESCRIPTION 16.4 Power stabilizer Fan connection 24V DC connection Output connection Power stabilizer microchip 24V AC connection 10 Amps fuse HLF Italian Design 16-6 S.M. HLF 4600 G1-G2-F Eng V3-2013...

  • Page 127: Planning Diagram

    PLANNING DIAGRAM 17 Planning diagram S.M. HLF 4600 G1-G2-F Eng V3-2013 17-1 HLF Italian Design...

  • Page 129: Electric Diagram

    ELECTRIC DIAGRAM 18 Electric diagram S.M. HLF 4600 G1-G2-F Eng V3-2013 18-1 HLF Italian Design...

  • Page 131: Hydraulic Circuit

    HYDRAULIC CIRCUIT 19 Hydraulic circuit S.M. HLF 4600 G1-G2-F Eng V3-2013 19-1 HLF Italian Design...

  • Page 133: Spare Part List

    SPARE PART LIST 20 Spare part list S.M. HLF 4600 G1-G2-F Eng V3-2013 20-1 HLF Italian Design...

This manual is also suitable for:

Hlf 4600 g2Hlf 4600 f

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