HLF 5700 Service Manual
  1. Manuals
  2. Brands
  3. HLF Manuals
  4. Coffee Maker
  5. 5700
  6. Service manual

HLF 5700 Service Manual

Hide thumbs Also See for 5700:
Table of Contents

Advertisement

Quick Links

SERVICE MANUAL
HLF 5700
ENGLISH
HLF Italian Design
S.M. HLF 5700 Eng V1-2023

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 5700 and is the answer not in the manual?

Questions and answers

Related Manuals for HLF 5700

Summary of Contents for HLF 5700

  • Page 1 SERVICE MANUAL HLF 5700 ENGLISH HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • 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 5700 Eng V1-2023...

  • Page 3: Table Of Contents

    4 Ordinary maintenance.........................1 4.1 Removing the coffee group......................1 4.2 Sealings replacement (10000 Cycles Kit Installation)..............4 4.3 Grinder blades replacement.......................18 6 Extraordinary maintenance........................1 6.1 Removing the various metal plates....................2 6.1.1 Removing the top lid......................2 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 4 7.12 Removing the coffee group gearmotor..................24 7.13 Removing the aspirator......................26 9 Operations on the hydraulic circuit......................1 9.1 Cooling down..........................1 9.2 Emptying the boiler........................3 11 Operating the computer software......................1 13 Troubleshooting..........................1 13.1 E11-DRIP TRAY FULL........................1 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 5 13.17 E74-COFFEE GROUP TIMEOUT....................23 13.18 E75-COFFEE GROUP MOTOR TIMEOUT..................24 13.19 E80-GRINDERS MODULE DISCONNECTED................25 13.20 E82-BOILER MODULE DISCONNECTED...................25 13.21 E100-FLASH WRITE ERROR OUTPUT BOARD 1................26 13.22 E102-EEPROM WRITE ERROR MOTHERBOARD..............26 13.23 E111-OUTPUT BOARD 1 VERSION INCOMPATIBLE..............27 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 6 13.38 E141-FILLING WATER......................43 13.39 E143-DRIP CATCHER MOVEMENT TIMEOUT................44 13.40 E168-OUTPUT BOARD 1 INCOMPATIBLE................45 13.41 E170-DRIP CATCHER DISCONNECTED..................46 13.42 E171-MILK FLOW METER KO....................47 13.43 E198-DETERGENT TANK LEVEL LOW..................49 13.44 E225-COMMUNICATION ERROR.....................50 13.45 E226-USB NOT CONNECTED....................51 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 7 14 Electronic boards description......................52 14.1 Mother board...........................53 14.2 Output board..........................55 14.3 Triac board..........................57 14.4 Water level board (air-break machines)...................59 15 Planning diagram..........................61 16 Electric diagram..........................1 17 Hydraulic circuit..........................1 18 Spare part list.............................1 HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 8: User Manual

    SERVICE MANUAL 1 User Manual HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 9: Exploded Views

    3 – Bean hopper 4 – Key lock 5 – Removable right side panel 6 – Milk tube passage hole 7 – Cup holder grid 8 – Cup Sensor (optional) 9 – Drip Tray HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 10 EXPLODED VIEWS 10 – Cash box fixing holes 11 – Payment system wires hole 12 – Cup station 13 – Soluble module tubes passage hole HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 11 Connector 17 – External Modules 18 – Coffee Ventilation 19 – Main Switch 20 – Inlet for cord plug Power 21 – Inlet water valve 22 – Inlet for plug chilled water HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 12 4 – Canisters top lid 5 – Grinder Assembly 6 – Coffee group sensor switch 7 – Coffee ventilation 8 – Coffee group 9- Pucks drawer 10- Drip tray float sensor cover HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 13: Fresh Milk Module Exploded View (Hot Milk Version)

    EXPLODED VIEWS Fresh milk module exploded view (hot milk version) HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 14 Milk inlet valve / Self cleaning inlet valve N.2 (3 ways) Inlet pipe rinse / Hot milk serpentine exchange valve (3 ways) Hot milk air valve (2 ways) Water line junction Milk serpentine junction Self cleaning junction HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 15: Fresh Milk Module Exploded View (Hot And Cold Milk Version)

    Cold milk air regulator Cold milk output / discharge valve (3 ways) Hot milk output valve (2 ways) Cold milk output valve (2 ways) Cold milk air valve (2 ways) Cold milk discharge junction HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 16: Hydraulic Module (Fresh Milk Version) Exploded View

    EXPLODED VIEWS Hydraulic module (fresh milk version) exploded view HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 17 Coffee valve (3 ways) Hot milk output / discharge valve (3 ways) Mixer 1 hot water valve Hot water outlet valve Discharge valve Non-return valve (1 way) Water pump’s bypass (pressure regulator) Water pump HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 18 2. Hot milk valve discharge junction 3. Mixer 1 hot water outlet junction 4. Hot water valve outlet junction 5. Milk circuit rinse junction 6. External water module bypass junction 7. Coffee valve discharge junction HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 19 EXPLODED VIEWS 1. Milk coil outlet 2. Heating element connectors 3. Thermostats 4. Temperature probe 5. Milk coil inlet 6. Safety valve 7. Water inlet connector 8. Water outlet connector HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 20: Hydraulic Module (Soluble Version) Exploded View

    EXPLODED VIEWS Hydraulic module (soluble version) exploded view HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 21 9. Mixer 3 hot water valve 10. Mixer 2 hot water valve 11. Mixer 1 hot water valve 12. Hot water valve 13. Discharge valve 14. Water pump’s bypass (pressure regulator) 15. Water pump HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 22 2. Mixer 2 hot water outlet junction 3. Mixer 1 hot water outlet junction 4. Hot water valve outlet junction 5. Discharge valve / safety valve junction 6. External water module bypass junction 7. Coffee valve discharge junction HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 23 EXPLODED VIEWS 1. Temperature probe 2. Heating element connectors 3. Thermostats 4. Safety valve 5. Water inlet connector 6. Water outlet connector HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 24: Self Cleaning Valve Assemblies (Single Detergent Tank - Double Detergent Tank)

    Self cleaning valve assemblies (single detergent tank – double detergent tank) 1. Detergent/Water switch valve (3 ways) – single detergent tank 2. Detergent/Water switch valve (3 ways) – double detergent tank 3. Detergent 1/Detergent2 switch valve (3 ways) – double detergent tank HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 25: Electronic Boards Assembly Exploded View

    EXPLODED VIEWS Electronic boards assembly exploded view Motherboard Triac Board Output Board 2 Output Board 1 HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 26: Power Supply Assembly Exploded View

    EXPLODED VIEWS Power supply assembly exploded view Main switch Power cable socket 24VDC power supplier Net filter Touch screen power supplier HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 27: Coffee Group Gear Motor Exploded View

    EXPLODED VIEWS Coffee group gear motor exploded view Coffee group gear motor Gear motor shaft Coffee group motor’s support plate HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 28: Grinder Module

    EXPLODED VIEWS Grinder module 1. Grinder 2 adjustment 2. Beans hopper 2 position 3. Beans hopper 1 position 4. Grinder 1 adjustment 5. Coffee chute HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 29 EXPLODED VIEWS 1. Grinder 2 2. Grinder 1 3. Grinder 1 motor 4. Grinder 2 motor 5. Ventilation fan HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 30 EXPLODED VIEWS 1. Beans hopper 1 presence switch 2. Beans hopper 2 presence switch HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 31: Drip Catcher Assembly

    EXPLODED VIEWS 2.10 Drip catcher assembly 1. Spouts bracket 2. Moving tray 3. Moving tray’s position switch 4. Moving tray’s motor HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 33 HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 35: Ordinary Maintenance

    Removing the coffee group Step Action Illustration Open the door. Remove the drip tray and the grounds drawer. Remove the grey tube connected to the coffee group, from the drink spouts. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 36 ORDINARY MAINTENANCE Step Action Illustration Slightly pull up the coffee group stainless steel lever and pull the small blue lever to the left. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 37 HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 38: Sealings Replacement (10000 Cycles Kit Installation)

    ORDINARY MAINTENANCE Sealings replacement (10000 Cycles Kit Installation) Components provided with the kit: HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 39 2. 9RORS2060 – TOP REAR PISTON O-RING 3. 9R0001025 – CHAMBER’S PISTON O-RING 4. 9P0001027 – EJECTOR Optional components (not provided and not suggested to be changed after 10’000 drinks): 9P0001024 – BOTTOM FILTER 9I0001035 – TOP FILTER HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 40 Install the new o-ring 9R0001005 (large red o-ring). Apply a slight amount of food grease on the o-ring’s entire diameter. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 41 Completely unscrew the 2 screws (using a T10 screwdriver) that fixes the ejector metal brackets in place (left and right sides). Step Action Illustration HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 42 Using a cutter, cut the 2 rubber ejector’s pins and remove the ejector from the bracket. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 43 Pay attention not to scrape the piston with the screwdriver. Install the 9R0001025 (small black o-ring). Apply a slight amount of food grease on the o-ring’s entire diameter. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 44 Follow the step 4 (bottom up) to reinstall the ejector assembly and step 3 to then move the coffee group chamber up, to the standby position as shown. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 45 Completely unscrew the 4 screws (using a T10 screwdriver) that fixes the coffee group bottom base (left and right sides). Step Action Illustration HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 46 Push on the bottom rear pins. Make sure the bottom sides triangle shaped parts move towards the front of the metal bracket. Pull the whole plastic bottom base down, disconnecting it from the main screw. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 47 Pull the whole plastic bottom base down, disconnecting it from the main screw. Pull it slightly to the front to let the chamber jump over the small “L” shaped metal part on the base shown. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 48 (8 sized metric standard). Make sure not to ruin the spring while using the wrench. Then fit a T10 screwdriver into the shaft (see point B) and unscrew the shaft inner screw. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 49 Fix the screw (with a T15 screwdriver) on the new bottom filter. Insert the new bottom filter into the chamber and push it down with your hands until it stops moving down. Step Action Illustration HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 50 T10, by compressing the spring until the bottom screw reaches its thread in the bottom part of the filter shaft and start fixing it slowly. Follow the steps backwards, from 13 to 8 to finish. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 51 Pull out the mixing blade. Turn right the mixing bowl holder till the end and pull it out. Replace the lip gasket and the silicon O-ring. HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 52: Grinder Blades Replacement

    Step Action Illustration Unscrew the knob on the back of the grinder module. Lift up the back part of the grinder module’s lid and pull the lid out to the front. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 53 ORDINARY MAINTENANCE Step Action Illustration Remove all the screws indicated. Lift up the whole grinders calibration assembly, disconnecting the 2 microswitches electrical connector, fixed underneath the calibration assembly. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 54 Lastly, after fixing the plastic grinder regulator to the grinder base, make sure to push the internal clips to the internal sides, to ensure a more solid fixing position. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 55 HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 57: Extraordinary Maintenance

    This kind of maintenance has to be considered in case of faults. WARNING All the operations contained in this chapter has to be performed with the machine switched OFF and the power cord removed. HLF Italian Design S.M. HLF 5700 Eng V1-2023...

  • Page 58: Removing The Various Metal Plates

    Pull the top lid above the soluble containers/detergent tanks towards you. Note: When fixing it back to the machine, make sure to the 4 fixing cutouts on the top lid plate match the screws head in the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 59 Take off the drip tray. Unscrew the 10 screws that hold the back panel. Pull the back panel towards you and disconnect the ground wiring that connects the machine to the panel. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 60 EXTRAORDINARY MAINTENANCE Unscrew the 2 screws that hold the side panels. Slightly open the door. Open the side panels and push each one to the front. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 61 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 63 This kind of maintenance has to be considered in case of faults. WARNING All the operations contained in this chapter has to be performed with the machine switched OFF and the power cord removed. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 64 Before to do this operation, follow the procedure described on paragraph 4.1 and 6.1.1 Removing the top lid. Step Action Illustration Unscrew the knob placed at the bottom of the grinder module (1). Disconnect the electrical connector placed at the bottom of the grinder module (2). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 65 REMOVING ASSEMBLIES Pull out the whole grinder module from the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 66 (check the bottom part of the module). Unscrew the knob placed at the bottom of the milk module (1). Disconnect the electrical connector placed at the bottom of the milk module (2). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 67 There are up to 4 o-rings in the back of the module and if you don’t apply any food grease on them, you might struggle removing the module. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 68 Note: The detergent tank lid is not air tight, therefore manage the tank with care and pay attention not to spill out any liquid. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 69 Disconnect the 3 ways connector, the 16 ways connector and the ground cable from the module’s top plate on the right. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 70 Note: Pay attention when removing a hydraulic module. There are several o-rings in the back of the module and if you don’t apply any food grease on them, you might struggle removing the module. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 71 (thermostats, heating element and ground) and also disconnect the 2 connectors to the coffee valve. Unscrew the 2 nuts that fix the boiler to the assembly. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 72 REMOVING ASSEMBLIES Lift up, then take the boiler out from the assembly. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 73 Disconnect the tubes on the inlet and the outlet lines of the flow meter. Remove the 3 screws that fix the flow meter in place from the bottom surface of the hydraulic module. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 74 Before to do this operation, follow the procedure described on paragraph 7.4 . Disconnect the tubes from the pump. Disconnect the electrical connectors (L,N and ground) from the motor. Locate and unscrew the screw that fixes the pump to the motor. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 75 REMOVING ASSEMBLIES The pump can be then disconnected from the motor. Unscrew the 2 screws that fix the motor in place on the front part. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 76 Unscrew the 2 screws that fix the motor in place on the front part. Pull the motor out of the hydraulic module (make sure the motor’s condensator is able to be pulled out without ruining the module’s wiring). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 77 Remove the knob on the top left and the 2 screws that fix the power supply module to the bottom side of the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 78 REMOVING MODULES Step Action Illustration Slide out the power supply assembly from the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 79 (also see paragraph 14.1 for the connectors locations). The removing operation applies to all the boards, with the only difference being the number of plastic fittings. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 80 Unscrew the 2 screws located in the top and bottom corner of the power supply unit. Loosen the screws that fix the +24 and GND cables from the power supplier unit. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 81 Unscrew the 2 screws located in the top and bottom corner of the power supply unit. right side 7.11 Removing the touch screen assembly HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 82 REMOVING MODULES Step Action Illustration HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 83 REMOVING ASSEMBLIES Totally unscrew the 2 top-side screws that fixes the touch screen assembly to the machine’s door support bracket and loosen the 2 bottom-side screws. right side left side HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 84 REMOVING MODULES Slightly rotate the touch screen assembly to the front. Carefully pull the touch screen assembly up and make sure the bottom-side screws are exiting the bracket coutouts. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 85 Remove all the connectors from the touch screen in order to completely remove the touch screen assembly from the machine. Note: usb cables must not be then reconnected in the port labeled as “serial port”. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 86 Unplug the coffee group gearmotor connector from the back of the machine. Lift up and slightly rotate the coffee group gearmotor with its bracket and pull it from the back of the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 87 REMOVING ASSEMBLIES back view HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 88 Before to do this operation, follow the procedure described on paragraph 6.1.2 Removing the external (STEP 1-2). Step Action Illustration Disconnect the 2 ways connector from the aspirator. Unscrew the 4 screws that fix the aspirator and pull it out of the machine. back view HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 89 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 91 Turn ON the option “HEATING CONTROL” again, at the end of the cleaning cycle (this is an additional security measure that will become useful when reassembling everything).  Switch OFF the machine and remove the power cord. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 92 Surround the boiler lid surface (around the probe) with a piece of paper before unscrewing the probe, in order to collect any water that would come out. Secure the probe back again before to take out the boiler assembly. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 93 Cleaning” (“Daily Cleaning” on non-fresh milk machines) routines until water comes out of the drink nozzles, which means the water boiler is completely full of water. Now the user can switch OFF the machine, connect back the heating element connector and switch back ON the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 95 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 97 OPERATING THE COMPUTER SOFTWARE 11 Operating the computer software HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 99 HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 101 This troubleshooting helps technician to find the cause of a problem starting from the error message shown by the touch screen. All these error messages has been covered during the HLF Technical Training Course, where we strongly recommended to have a multimeter always available, in order to check possible bad connections.
  • Page 102 Replace the drip tray switch. work; Check the wires from the drip tray switch to the motherboard (refer to the Input/Output table to understand which input number); Replace the motherboard. The connection is compromised HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 103 Move the grinder blades to a coarser position.  The grinder is set too fine; Take it off and clean it or replace it.  The coffee valve may be blocked by lime scale; HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 104 Take it off and clean it or replace it.  The valve related to the product that fails may be blocked by lime scale;  The valve related to the product that fails Replace it. got fault; HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 105  The discharge valve doesn’t work. Replace it.  The connection is compromised. Check the wires from the discharge valve to the output board (refer to the Input/Output table to understand which output number). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 106 Check the connection between the pump and  The pump doesn’t work: the output board (refer to the Input/Output table to understand which output number). The pump got fault; Replace it. The output board got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 107 It shouldn’t. Check the wires from the flow meter to the motherboard (refer to the Input/Output table to understand which input number). Replace it.  The flow meter got fault. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 108 Check the wires from the coffee group The connection is compromised presence switch to the motherboard (refer to the Input/Output table to understand which input number). Replace the motherboard. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 109 Follow the procedure at the end of the  Maybe the overflow system has been paragraph. engaged because the machine has been moved without draining the air-break first; Replace it.  The main inlet water valve is gone. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 110  The air-break probes are dirty; Clean them.  The connection is compromised; Check the connections from the air-break probes to the water level board.  The wate level board got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 111  The main inlet water valve stays open all Replace it the time; Replace it.  The output board got fault;  The motherboard got fault; Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 112 Switch back ON the machine and wait for the coffee group positioning. The main inlet water valve opens.  Switch OFF the machine and connect back the water line pipe and the overflow pipe;  Switch ON the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 113 During this phase the heating element is supposed to receive power from the board. If no power is reaching the heating element (or the heating element is broken), the message E17-HEATING will disappear and the machine will show E129-BOILER HEATING FAILURE. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 114 ON the HEATING CONTROL option. NOTE Once the option HEATING CONTROL is activated, it can’t be turned off from the programming. Access the cleaning routine and run a WHIPPER CLEANING. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 115 After that, go into the programming > COUNTERS > TECHNICAL DATA and clear the liters counter. 13.8 E23-EMPTY GROUNDS DRAWER Why? The number of coffee set in the MAX NUMBER OF GROUNDS option menu has been done. Follow the instruction manual to clear the message. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 116 The front door micro switch is damaged. still. Replace it The connection is compromised Check the wires from the front door switch to the motherboard (refer to the Input/Output table to understand which input number). Replace the motherboard. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 117 The number of liters set in the DESCALING CAPACITY option has been done and the option IN-LINE FILTER is active. Replace the de-scaling filter with a new one and go into the programming > COUNTERS > TECHNICAL DATA and clear the liters counter. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 118 The message stays still even if the coffee group Maybe you’ve just put back the coffee group. doesn’t move. Remove the white door key and put it back, or close the front door. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 119 TROUBLESHOOTING 13.12 E58-BOILER 1 PROBE OVER TEMPERATURE Why? The board is measuring a temperature above 120°C Cause of fault Troubleshooting measure(s) The temperature probe got fault; Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 120 13.13 E59-BOILER 1 PROBE DISCONNECTED Why? The board is measuring a temperature below 0°C Cause of fault Troubleshooting measure(s) The temperature probe is disconnected; Check the connections The temperature probe got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 121 Check if it’s time to replace the blades; Open the grinder blades and check if there is The coffee grinder is blocked also with the something inside. blades totally opened. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 122 The machine has detected an unusual current consumption of the coffee group gearmotor. Cause of fault Troubleshooting measure(s) The coffee group is dirty. Remove the coffee group and clean it from the coffee. Put some grease on the main screw and O- Rings. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 123 The coffee group has taken too much time to finish a positioning than usual. Cause of fault Troubleshooting measure(s) The coffee group wasn’t in the position the Push on the notification to reset the coffee machine expected. group. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 124 The coffee group is full of coffee puck; Check the connection between the coffee group The connection is compromised; motor counter and the output board. The motor counter got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 125 The connector from the machine wiring is not connected to the module, or there’s a loose connection on the presence wire (either on the module’s/machine’s connectors or on the motherboard 40 ways connector). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 126 13.21 E100-FLASH WRITE ERROR OUTPUT BOARD 1 Why? Error while saving data on the output board 1. Replace it. 13.22 E102-EEPROM WRITE ERROR MOTHERBOARD Why? Error while saving data on the output board 1 or 2. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 127 Solution: Make sure to have all the boards upgraded to the latest versions at the same time. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 128 Check which base coin the change giver uses than the one set into the machine. (refer to the instruction manual of the change giver) and make sure the machine is using the same value. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 129 Check which base coin the cashless device uses than the one set into the machine. (refer to the instruction manual of the cashless device) and make sure the machine is using the same value. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 130 Check which base coin the bill validator uses than the one set into the machine. (refer to the instruction manual of the bill validator) and make sure the machine is using the same value. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 131 Open the grinder adjuster; The coffee is blocked somewhere. Check the The grinder runs but no coffee falls inside the grinder funnel. coffee group chamber. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 132 Switch OFF the machine and back ON again. The Bluetooth device used by the touch screen Follow the connection procedure at the end of is not matching the one installed into the this paragraph machine; HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 133 During the searching, the button SEARCH turnes into STOP. Once the touch screen has finished the searching it will turn back to SEARCH again. (This could take even few minutes); HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 134 6. After few seconds the touch screen will ask for a PIN. Put 1234; 7. In few seconds the message CONNECTING… should turn into CONNECTED displayed in green; 8. Go all the way back pushing the arrow on the the top left corner. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 135 Turn off the option DRIP TRAY SENSOR inside The drip tray switch is damaged or doesn’t the programming, to let the machine working work; anyway (refer to the user manual); Replace the drip tray switch. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 136 The mobile cashless device is reporting a generic malfunction Cause of fault Troubleshooting measure(s) Generic malfunction of the mobile cashless Check with the Service and Support of the device. mobile cashless device. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 137 (refer to the Input/Output table to understand which output number). Replace it. The boiler heating element got fault. Replace it. The output board got fault. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 138 TROUBLESHOOTING 13.33 E130-REFUND CASHLESS 1 NOT AVAILABLE Why? The cashless device is reporting that it doesn’t have the capability to refund money if a transaction goes wrong. No solutions HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 139 The base coin of the mobile cashless device is different than the one set into the machine. Solution: Check which base coin the mobile cashless device uses (refer to the instruction manual of the mobile cashless device) and make sure the machine is using the same value. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 140 TROUBLESHOOTING 13.35 E132-REFUND CASHLESS 2 NOT AVAILABLE Why? The mobile cashless device is reporting that it doesn’t have the capability to refund money if a transaction goes wrong. No solutions HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 141 13.36 E133-CASHLESS 1 MALFUNCTION Why? The cashless device is reporting a generic malfunction Cause of fault Troubleshooting measure(s) Generic malfunction of the cashless device. Check with the Service and Support of the cashless device HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 142 (lever + spring + nuts). The connection is compromised Check the wires from the beans hoppers presence switch to the motherboard (refer to the Input/Output table to understand which input number). Replace the motherboard. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 143 The decision to switch this option to OFF is completely responsibility of the technician, who must make sure at least to meet the minimum requirements reported on the Instructions Manual of the machine. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 144 Check that the drip catcher is free to move movement; backwards and forwards. The connection is compromised; Check the connection between the drip catcher motor and the output board. Replace it. The drip catcher got fault. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 145 Please check if the boards code, printed on the with the machine; board’s label is 9SSOB0104. If it is different, remove it and replace with one with the right code. The output board got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 146 The machine is detecting that the connector of the drip catcher module is disconnected. Cause of fault Troubleshooting measure(s) The connector is disconnected; Check the connector. The connection is compromised; Check the connection between the connector and the motherboard. Replace it. The motherboard got fault. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 147  The milk circuit is dirty; the system to understand if the problem is affecting both the circuit parts. Check and clean with compressed air the milk reducers. Check and clean the milk coil. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 148  The valve related to the rinsing phase Check for electrical issues (loose connection or that fails got fault; missing power from the output board). HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 149 The machine is detecting that the detergent inside the tank is insufficient. Cause of fault Troubleshooting measure(s) Insufficient level of detergent in the tank. Fill the detergent tank. The detergent tank level sensor got fault. Replace it. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 150 Check the main supply to the motherboard, if The cables and the board are fine but there’s no present change the motherboard. power coming from the motherboard. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 151 Replace the usb cable. Change the usb port where the usb cable is The cable and the board are fine but the error is connected to. still showing. Change the touch screen. HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 152 TROUBLESHOOTING 14 Electronic boards description HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 153 TROUBLESHOOTING 14.1 Mother board HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 154 4. Inputs connector (40 ways connector) 5. Coin mechanism connector 6. Probes connectors (check Input/Output lines file for the connector position and functionality). 7. Hardware programming (for manufacturer only) 8. Touch screen serial communication connector HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 155 TROUBLESHOOTING 14.2 Output board HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 156 Outputs connector #2 Outputs connector #3 Outputs connector #4 Outputs connector #5 Outputs connector #6 Coffee group gearmotor encoder bridge (must be present when machine is equipped with cofffee group gearmotor with internal encoder) HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 157 TROUBLESHOOTING 14.3 Triac board HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 158 TROUBLESHOOTING +24VDC power supply connector Outputs connector #1 Outputs connector #2 Triac board number selector Machine bus connectors HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 159 TROUBLESHOOTING 14.4 Water level board (air-break machines) HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 160 3 = Less sensibility than 2 (default position for steam boiler)  2+3 = Less sensibility than 3 (for really hard water) Led: lightened when the water level is below the minimum Water level board microchip socket Inputs connection 230V AC connection HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 161 TROUBLESHOOTING 15 Planning diagram HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 163 ELECTRIC DIAGRAM 16 Electric diagram HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 165 HYDRAULIC CIRCUIT 17 Hydraulic circuit HLF Italian Design S.M. HLF 5700 Eng V1-2023...
  • Page 167 SPARE PART LIST 18 Spare part list HLF Italian Design S.M. HLF 5700 Eng V1-2023...

Table of Contents