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SERVICE MANUAL

RETAIN FOR FUTURE USE !

The copyright of these Service Manual, which are entrusted to the recipient personally,
remains with the HLF company.
The content may not be disclosed or made available to any third party without the
express consent of the HLF company.
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

II

S.M. HLF 1700 G1-F Eng V1-2017

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Summary of Contents for 1700

Page 1: ...SERVICE MANUAL ENGLISH HLF 1700 HLF Italian Design S M HLF 1700 G1 F Eng V1 2017 ...

Page 2: ...ot be disclosed or made available to any third party without the express consent of the HLF company 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 II S M HLF 1700 G1 F Eng V1 2017 ...

Page 3: ...exploded view 2 9 3 3 1 4 Ordinary maintenance 4 1 4 1 Removing the coffee group 4 1 4 2 Sealings and filters replacement 10000 Cycles Kit Installation 4 4 4 3 Grinder blades replacement 4 16 5 5 1 6 Extraordinary maintenance 6 1 6 1 Removing the various metal plates 6 1 6 1 1 Removing the top lid 6 1 6 1 2 Removing the external panels 6 3 7 7 1 8 Removing assemblies 8 1 8 1 Removing the grinder m...

Page 4: ...Removing the drink spouts assembly 8 17 8 13 Removing the touch screen module 8 19 8 14 Removing the coffee group gearmotor 8 21 9 9 1 10 Operations on the hydraulic circuit 10 1 10 1 Cooling down 10 1 10 2 Emptying the boiler 10 2 11 11 1 12 Operating the computer software 12 1 13 13 1 14 Troubleshooting 14 1 14 1 E11 DRIP TRAY FULL 14 1 14 2 E13 FLOW METER K O 14 2 14 3 E15 COFFEE GROUP OUT 14 5...

Page 5: ...UT 14 12 14 18 E75 COFFEE GROUP MOTOR TIMEOUT 14 13 14 19 E100 FLASH WRITE ERROR OUTPUT BOARD 1 14 14 14 20 E102 EEPROM WRITE ERROR MOTHERBOARD 14 14 14 21 E111 OUTPUT BOARD 1 VERSION INCOMPATIBLE 14 14 14 22 E119 CHANGE GIVER INCOMPATIBLE 14 15 14 23 E120 CASHLESS DEVICE INCOMPATIBLE 14 15 14 24 E121 BILL VALIDATOR INCOMPATIBLE 14 16 14 25 E122 OUT OF COFFEE GRINDER 1 14 16 14 26 E124 COFFEE GROU...

Page 6: ...ly with water kit 14 22 14 35 E168 OUTPUT BOARD 1 INCOMPATIBLE 14 22 15 Electronic boards description 15 1 15 1 Mother board 15 2 15 2 Output board 15 4 15 3 Water level board external water kit only 15 5 15 4 Power stabilizer 15 6 16 Planning diagram 16 1 17 Electric diagram 17 1 18 Hydraulic circuit 18 1 19 Spare part list 19 1 HLF Italian Design IV S M HLF 1700 G1 F Eng V1 2017 ...

Page 7: ...USER MANUAL 1 User Manual S M HLF 1700 G1 F Eng V1 2017 1 1 HLF Italian Design ...

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Page 9: ...EXPLODED VIEWS 2 Exploded views 2 1 General exploded view S M HLF 1700 G1 F Eng V1 2017 2 1 HLF Italian Design ...

Page 10: ...ean Hopper 3 Pre ground coffee chute 4 Milk tube passage hole 5 Key Lock 6 Drip tray 7 Cup holder grid 8 Payment system connection hole 9 Water tank Soluble top lid 10 Door 11 Cup station HLF Italian Design 2 2 S M HLF 1700 G1 F Eng V1 2017 ...

Page 11: ...LODED VIEWS 1 Coffee group gearmotor 2 Grinder assembly 3 Water tank Powder canister 4 Output solenoid valves assembly 5 Boiler 6 Power supply assembly S M HLF 1700 G1 F Eng V1 2017 2 3 HLF Italian Design ...

Page 12: ...k air valve 2 ways 2 Hot milk output exchange valve 3 ways 3 Hot milk air regulator 4 Milk inlet valve 2 ways 5 Water hot milk exchange valve 3 ways 6 Hot milk pump 7 Milk restrictor 8 Milk rinsing valve 2 ways HLF Italian Design 2 4 S M HLF 1700 G1 F Eng V1 2017 ...

Page 13: ...oded view 1 Coffee valve 3 ways 2 Temperature probe 3 Hot Water outlet 4 Milk serpentine 5 Support bracket 6 Automatic thermostat 7 Manual thermostat 8 Heating element 9 Water boiler body S M HLF 1700 G1 F Eng V1 2017 2 5 HLF Italian Design ...

Page 14: ...noid valves assembly exploded view 1 Support bracket 2 Discharging valve 2 ways 3 Water splitter 4 Mixer water valve 2 ways 5 Hot water output valve 2 ways 6 Security valve 16 bar HLF Italian Design 2 6 S M HLF 1700 G1 F Eng V1 2017 ...

Page 15: ...ed view 1 Output board 2 Rectifier board 3 Main switch 4 Power cable socket 5 Mother board 6 Bluetooth module 7 Touch screen power supplier 8 Power stabilizer 9 Toroidal transformer 10 Net filter S M HLF 1700 G1 F Eng V1 2017 2 7 HLF Italian Design ...

Page 16: ...IEWS 2 6 Spouts assembly exploded view 1 Elbow spout 2 Metal bracket spouts cover 3 Spout 4 Spouts assembly adjusting handle 5 Spouts assembly support bracket HLF Italian Design 2 8 S M HLF 1700 G1 F Eng V1 2017 ...

Page 17: ...EXPLODED VIEWS 2 7 Coffee group gearmotor exploded view 1 Coffee group gearmotor 2 Gearmotor shaft S M HLF 1700 G1 F Eng V1 2017 2 9 HLF Italian Design ...

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Page 19: ...3 S M HLF 1700 G1 F Eng V1 2017 3 1 HLF Italian Design ...

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Page 21: ...eriodical maintenance It consists in all those operations to do after an estimated period according to the factory recommendations 4 1 Removing the coffee group Step Action Illustration 1 Remove the drip tray and the grounds drawer Unlock the blue coffee group lock lever S M HLF 1700 G1 F Eng V1 2017 4 1 HLF Italian Design ...

Page 22: ...ORDINARY MAINTENANCE Removing the coffee group Step Action Illustration 2 Turn the coffee group lever downward and let the coffee group to go down HLF Italian Design 4 2 S M HLF 1700 G1 F Eng V1 2017 ...

Page 23: ...Removing the coffee group ORDINARY MAINTENANCE Step Action Illustration 3 Pull the coffee group toward you and take it off the machine S M HLF 1700 G1 F Eng V1 2017 4 3 HLF Italian Design ...

Page 24: ...N ILLUSTRATION QUANTITY NAME Silicon brush 19 x 70 x 2 mm 1 A Coffee group filter D 40 mm 2 B Red silicon O ring 3024 6 02 X 2 62 mm 2 C Star silicon gasket 1 D Red silicon O ring 03037 9 19 X 2 62 mm 1 E Red silicon O ring 04131 32 93 X 3 53 mm 1 F Red silicon O ring 2015 3 68 X 1 78 mm 1 G Red silicon O ring 2037 9 25 X 1 78 mm 2 H Silicon lip gasket 1 I Red silicon O ring 3150 37 7 X 2 62 mm 1 ...

Page 25: ...Sealings and filters replacement ORDINARY MAINTENANCE Step Action Illustration 1 Remove the 6 screws that hold the coffee group upper base S M HLF 1700 G1 F Eng V1 2017 4 5 HLF Italian Design ...

Page 26: ...ORDINARY MAINTENANCE Sealings and filters replacement Step Action Illustration 2 Take off the coffee group upper base HLF Italian Design 4 6 S M HLF 1700 G1 F Eng V1 2017 ...

Page 27: ...s and filters replacement ORDINARY MAINTENANCE Step Action Illustration 3 Unscrew the coffee group inlet nozzle and replace the O Rings C and H Put it back S M HLF 1700 G1 F Eng V1 2017 4 7 HLF Italian Design ...

Page 28: ...and filters replacement Step Action Illustration 4 Remove the 2 screws that hold the coffee group top piston and remove it 5 Replace O Ring F O Ring G Filter B Put everything back HLF Italian Design 4 8 S M HLF 1700 G1 F Eng V1 2017 ...

Page 29: ...alings and filters replacement ORDINARY MAINTENANCE Step Action Illustration 6 Remove the 6 screws that hold the coffee group lower base and the cover S M HLF 1700 G1 F Eng V1 2017 4 9 HLF Italian Design ...

Page 30: ...DINARY MAINTENANCE Sealings and filters replacement Step Action Illustration 7 Take off the coffee group lower base Take off the coffee group chamber HLF Italian Design 4 10 S M HLF 1700 G1 F Eng V1 2017 ...

Page 31: ...and filters replacement ORDINARY MAINTENANCE Step Action Illustration 8 Unscrew the coffee group chamber inlet nozzle and replace O Rings C and H Put it back S M HLF 1700 G1 F Eng V1 2017 4 11 HLF Italian Design ...

Page 32: ... MAINTENANCE Sealings and filters replacement Step Action Illustration 9 Remove the screw that holds the coffee group bottom head to the coffee group shaft HLF Italian Design 4 12 S M HLF 1700 G1 F Eng V1 2017 ...

Page 33: ...NTENANCE Step Action Illustration 10 Remove the coffee group shaft Replace filter B gasket D O Ring E Insert the coffee group shaft into the coffee group chamber and screw back the bottom head S M HLF 1700 G1 F Eng V1 2017 4 13 HLF Italian Design ...

Page 34: ...replacement Step Action Illustration 11 Remove the 2 screws that hold the coffee group brush holder and replace the silicon brush A Put back the coffee group brush holder Put everything back HLF Italian Design 4 14 S M HLF 1700 G1 F Eng V1 2017 ...

Page 35: ...ustration 12 Turn right the mixing bowl holder and pull out the mixing bowl Pull out the mixing blade 13 Turn right the mixing bowl holder till the end and pull it out Replace the lip gasket I and the silicon O ring J S M HLF 1700 G1 F Eng V1 2017 4 15 HLF Italian Design ...

Page 36: ...ration follow the procedure described on paragraph 6 1 1 Removing the top lid Step Action Illustration 1 Remove the sound proof material by pulling it up from the grinder Unscrew the 4 screws that hold the grinder assembly and lift it up completely HLF Italian Design 4 16 S M HLF 1700 G1 F Eng V1 2017 ...

Page 37: ... internal clips of the grinder regulator s plastic support and pull it up Turn the grinder head counter clockwise until it s completely out of the base 3 Unscrew the 3 screws for both grinder head and grinder base and pull up the blades S M HLF 1700 G1 F Eng V1 2017 4 17 HLF Italian Design ...

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Page 41: ...his chapter has to be performed with the machine switched OFF and the power cord removed 6 1 Removing the various metal plates This paragraph shows hot to remove the various machine metal plates to reach the components 6 1 1 Removing the top lid Step Action Illustration 1 Remove the 2 screws that hold the top lid from the front S M HLF 1700 G1 F Eng V1 2017 6 1 HLF Italian Design ...

Page 42: ...EXTRAORDINARY MAINTENANCE Removing metal plates Step Action Illustration 2 Pull the top lid towards you and then lift it up HLF Italian Design 6 2 S M HLF 1700 G1 F Eng V1 2017 ...

Page 43: ...lates EXTRAORDINARY MAINTENANCE 6 1 2 Removing the external panels Step Action Illustration 1 Take off the waste drawer Unscrew the 7 screws that hold the back panel S M HLF 1700 G1 F Eng V1 2017 6 3 HLF Italian Design ...

Page 44: ...TRAORDINARY MAINTENANCE Removing metal plates 2 Pull the back panel towards you and disconnect the ground wiring that connects the machine to the panel HLF Italian Design 6 4 S M HLF 1700 G1 F Eng V1 2017 ...

Page 45: ...al plates EXTRAORDINARY MAINTENANCE 3 Unscrew the 4 screws that hold the side panels 4 Slightly open the door Open the side panels and push each one to the front S M HLF 1700 G1 F Eng V1 2017 6 5 HLF Italian Design ...

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Page 49: ...d the power cord removed 8 1 Removing the grinder motor Before to do this operation follow the procedure described on paragraph 6 1 1 Removing the top lid Step Action Illustration 1 Remove the sound proof material by pulling it up from the grinder Remove the screws that hold the grinder assembly and pull it up Note while removing the grinder assembly unplug the cables connected to it S M HLF 1700 ...

Page 50: ...NG ASSEMBLIES Removing the grinder motor 2 Pull up the whole grinder assembly and then remove the 3 screws that fixes the grinder motor to the grinder base HLF Italian Design 8 2 S M HLF 1700 G1 F Eng V1 2017 ...

Page 51: ... the machine you can unplug the touch screen power supplier first in order to free up some operative space Disconnect the small grey tube that is coming in the cleaning valve of the milk assembly from the back of the machine Disconnect the tube that is going into the drip tray from the 3 way milk outlet valve that can be disconnected from the front Disconnect the tube from the angled connector tha...

Page 52: ...tion 2 Remove the 4 screws that hold the milk assembly and hold up the assembly that would fell down otherwise 3 Slide out the milk assembly to the front rotating it a bit and disconnecting the last tube from the milk outlet valve HLF Italian Design 8 4 S M HLF 1700 G1 F Eng V1 2017 ...

Page 53: ...o do this operation follow the procedure described on paragraph 6 1 2 Removing the external panel and paragraph 10 1 Cooling down Step Action Illustration 1 Loosen the 3 screws that fix the boiler support bracket to the left side panel of the machine S M HLF 1700 G1 F Eng V1 2017 8 5 HLF Italian Design ...

Page 54: ...oing on the thermostats and the wires that are going on the coffee valve Unplug the tube on the 3rd way of the coffee valve by removing the metal clip first Remove the remaining tubes from the top lid of the boiler and the outlet tube of the coffee valve You can now completely remove the boiler from the machine HLF Italian Design 8 6 S M HLF 1700 G1 F Eng V1 2017 ...

Page 55: ...n the screw that fixes the back fan if equipped Disconnect the connector from the top of the flow meter Disconnect the tubes on the inlet and the outlet lines of the flow meter from the side of the machine Lift up the flow meter and disconnect it from the machine 2 Disconnect the connector of the fan and also the tube from its back side Pull out the fan completely from the back of the machine S M ...

Page 56: ...electrical connectors and the tubes from the pump Pull the rubber supports in order to unplug the pump 4 The pump can be then disconnected There is no need to remove the connector on the back of the pump as shown in the picture HLF Italian Design 8 8 S M HLF 1700 G1 F Eng V1 2017 ...

Page 57: ...ng the power supply assembly Before to do this operation follow the procedure described on paragraph 6 1 2 Removing the external panel Step Action Illustration 1 Remove the 2 screws that fix the machine side panel S M HLF 1700 G1 F Eng V1 2017 8 9 HLF Italian Design ...

Page 58: ...p micro switch presence connectors and pull the wires in the machine so they don t get pinched while removing the power supply assembly Remove the 3 screws that fix the power supply assembly 3 Disconnect the connectors and then slide out the whole assembly HLF Italian Design 8 10 S M HLF 1700 G1 F Eng V1 2017 ...

Page 59: ...mbly REMOVING ASSEMBLIES 8 6 Removing the mother board Step Action Illustration 1 Unplug all cables attached to the mother board Remove the mother board from its plastic fittings S M HLF 1700 G1 F Eng V1 2017 8 11 HLF Italian Design ...

Page 60: ...he power supply assembly 8 7 Removing the output board Step Action Illustration 1 Unplug all cables attached to the output board Remove the output board from its plastic fittings HLF Italian Design 8 12 S M HLF 1700 G1 F Eng V1 2017 ...

Page 61: ...VING ASSEMBLIES 8 8 Removing the power stabilizer board Step Action Illustration 1 Unplug all cables attached to the power stabilizer Remove the power stabilizer from its plastic fittings S M HLF 1700 G1 F Eng V1 2017 8 13 HLF Italian Design ...

Page 62: ...power supply assembly 8 9 Removing the net filter Step Action Illustration 1 Remove all the connectors attached to the net filter Remove the nut holding the net filter and remove it HLF Italian Design 8 14 S M HLF 1700 G1 F Eng V1 2017 ...

Page 63: ...MOVING ASSEMBLIES 8 10 Removing the touch screen power supply module Step Action Illustration 1 Unplug the connector Move up the touch screen power supplier module and then pull it out S M HLF 1700 G1 F Eng V1 2017 8 15 HLF Italian Design ...

Page 64: ... Before to do this operation follow the procedure described on paragraph 8 5 Removing the power supply module Step Action Illustration 1 Unplug the connectors Remove the screw and the washer that hold the transformer and take it off HLF Italian Design 8 16 S M HLF 1700 G1 F Eng V1 2017 ...

Page 65: ... ASSEMBLIES 8 12 Removing the drink spouts assembly Step Action Illustration 1 Remove the 4 screws that holds the spout bracket 2 Disconnect the tubes and pull the spout bracket towards you S M HLF 1700 G1 F Eng V1 2017 8 17 HLF Italian Design ...

Page 66: ...x the drink spouts cover to the moving plate 4 Pull the drink spouts cover towards you in order to access the drink spouts 5 If you also need to disconnect the bracket from the moving part just pull the frontal moving part towards you HLF Italian Design 8 18 S M HLF 1700 G1 F Eng V0 2016 ...

Page 67: ...the cover fixed in the internal part of the door Lift up the cover and remove it from the machine 2 Remove the second and last screw that fixes the touch screen module to the machine s door Remove the power supplier connector placed in the internal part of the door right side bracket S M HLF 1700 G1 F Eng V1 2017 8 19 HLF Italian Design ...

Page 68: ...REMOVING MODULES Removing the touch screen module Step Action Illustration 3 Lift up the touch screen module and then pull it toward you HLF Italian Design 8 20 S M HLF 1700 G1 F Eng V0 2016 ...

Page 69: ...ure described on paragraph 4 1 Removing the coffee group and paragraph 6 1 1 Removing the top lid Step Action Illustration 1 Unplug the coffee group gearmotor connector from above Remove the 3 screws that fix the coffee group gearmotor 2 Lift up the coffee group gearmotor from its bracket S M HLF 1700 G1 F Eng V1 2017 8 21 HLF Italian Design ...

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Page 73: ...ug the power cord Disconnect the heating element connectors from the top of the boiler Put back the power cord and switch ON the machine Run a Whipper Cleaning it s called Daily Cleaning on non fresh milk machines to cool down the water boiler Switch OFF the machine and remove the power cord After the above steps carefully unscrew the boiler temperature probe with a key in order to release any rem...

Page 74: ... connect back the heating element connector previously disconnected from the top of the boiler during the time the boiler stays empty After the maintenance is finished remember to switch ON the machine and run some Whipper 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 ...

Page 75: ...11 S M HLF 1700 G1 F Eng V1 2017 11 1 HLF Italian Design ...

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Page 77: ...OPERATING THE COMPUTER SOFTWARE 12 Operating the computer software S M HLF 1700 G1 F Eng V1 2017 12 1 HLF Italian Design ...

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Page 79: ...13 S M HLF 1700 G1 F Eng V1 2017 13 1 HLF Italian Design ...

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Page 81: ...s engaged Cause of fault Troubleshooting measure s The drip tray is full of waste water The plastic float is blocked The drip tray switch is damaged or doesn t work The connection is compromised Remove the drip tray empty and clean it Check if the plastic float inside the drip tray is free to move Turn off the option DRIP TRAY FLOAT SENSOR inside the programming to let the machine working anyway r...

Page 82: ... dispensing of a specific product while is not appearing during the dispensing of all the other products The water for that specific product doesn t come out The valve related to the product that fails may be blocked by lime scale The valve related to the product that fails got fault Launch a Coffee Group Cleaning Cycle Wash the coffee group under hot water Move the grinder blades to a coarser pos...

Page 83: ...got fault The output board got fault Check the wires from the valve related to the product that fails to the output board refer to the Input Output table to understand which output board and output number Take it off and clean it or replace it Replace it Check the wires from the discharge valve to the output board refer to the Input Output table to understand which output number Refer to paragraph...

Page 84: ...stops The connection is compromised The flow meter got fault Check if the flow meter is blocked If yes replace it Check if the green LED of the motherboard blinks while the pump is working 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 HLF Italian Design 14 4 S M HLF 1700 G1 F Eng V0 2016 ...

Page 85: ...osition The coffee group presence switch is damaged or doesn t work The connection is compromised Check the coffee group Replace the coffee group presence switch Check the wires from the coffee group presence switch to the motherboard refer to the Input Output table to understand which input number Replace the motherboard S M HLF 1700 G1 F Eng V1 2017 14 5 HLF Italian Design ...

Page 86: ...because the machine has been moved without draining the air break first The main inlet water valve is gone The machine is filling water but once reached the shorter probe it keeps filling all the time The LED on the water level board is still ON Wrong sensitivity setting The air break probes are dirty The connection is compromised The water level board got fault Raise up the FILLING WATER TIMEOUT ...

Page 87: ...t The motherboard got fault Replace it Replace it Replace it How to unblock the main inlet water valve Switch OFF the machine Disconnect the water line pipe Disconnect the overflow pipe from the main inlet water valve and drain the water inside 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 lin...

Page 88: ...t be turned off from the programming Access the cleaning routine and run a WHIPPER CLEANING 14 7 E19 DESCALING REQUIRED Why The number of liters set in the DESCALING CAPACITY option has been done and the option IN LINE FILTER is disable Clean the water boiler from lime scale by dismounting it from the machine After that go into the programming COUNTERS TECHNICAL DATA and clear the liters counter 1...

Page 89: ...eplace it 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 14 10 E25 CHECK FILTER Why 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...

Page 90: ...ut it back or close the front door 14 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 14 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 The temperature pr...

Page 91: ...gone into the grinder The coffee grinder is blocked also with the blades totally opened Move as more as possible the grinder blades to the coarse position and run a coffee Check if it s time to replace the blades Open the grinder blades and check if there is something inside S M HLF 1700 G1 F Eng V1 2017 14 11 HLF Italian Design ...

Page 92: ... on the main screw and O Rings 14 16 E73 FLASH MEMORY ERROR E102 EEPROM WRITE ERROR MOTHERBOARD Why Error while saving data on the motherboard Replace it 14 17 E74 COFFEE GROUP TIMEOUT Why 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 machine expected Push on the notification to reset...

Page 93: ...roup is dirty The coffee group is full of coffee puck The connection is compromised The motor counter got fault Check that the coffee group chamber is not completely on the bottom or on the top of the unit Clean the coffee group Remove the coffee group and clean it Check the connection between the coffee group motor counter and the output board Replace it S M HLF 1700 G1 F Eng V1 2017 14 13 HLF It...

Page 94: ...nt version Usually the problem happens after a manual motherboard software update because the motherboard software version becomes more recent while the output board software version is too old to suite the motherboard new features NOTE Normally you shouldn t need to upgrade a board manually because everytime a new touch screen software version is installed the touch screen automatically updates t...

Page 95: ...ual of the change giver and make sure the machine is using the same value 14 23 E120 CASHLESS DEVICE INCOMPATIBLE Why The cashless device connected to the machine is not compatible to the current machine settings Cause of fault Troubleshooting measure s The base coin of the cashless device is different than the one set into the machine Check which base coin the cashless device uses refer to the in...

Page 96: ... Why 1 The coffee group has not been able to press the coffee properly Cause of fault Troubleshooting measure s The beans hopper is empty or closed The grinder runs but there s not enough coffee inside the coffee group chamber The grinder runs but no coffee falls inside the coffee group chamber Re fill coffee beans hopper with fresh coffee beans and open the coffee stopper making sure the safety p...

Page 97: ...s not connected to the Bluetooth module installed on the motherboard Cause of fault Troubleshooting measure s The screen is stucked The Bluetooth device used by the touch screen is not matching the one installed into the machine The Bluetooth module got fault The touch screen got fault Switch OFF the machine and back ON again Follow the connection procedure at the end of this paragraph Replace it ...

Page 98: ...ss SEARCH again The touch screen is now searching for any bluetooth device around 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 5 Push on the device that s named with the serial number of the machine i e 140000123 The message CONNECTING will be displayed in yellow 6 After f...

Page 99: ... 29 E129 BOILER HEATING FAILURE Why The boiler has taken more than 5 minutes to reach the temperature set Cause of fault Troubleshooting measure s The communication is compromised The boiler heating element got fault The output board got fault Check the continuity between the wires that goes on the thermostats from the output board refer to the Input Output table to understand which output number ...

Page 100: ...achine settings Cause 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 14 32 E132 REFUND CASHLESS 2 NOT AVAILABLE Why The mobile cashless device is reporting that it doesn t have the ...

Page 101: ...y 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 S M HLF 1700 G1 F Eng V1 2017 14 21 HLF Italian Design ...

Page 102: ...itch 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 14 35 E168 OUTPUT BOARD 1 INCOMPATIBLE Why The machine is detecting that the hardware of the output board 1 is not compatible with the machine Cause of fault Troubleshooting measure s The output board hardware is not ...

Page 103: ...ELECTRONIC BOARDS DESCRIPTION 15 Electronic boards description S M HLF 1700 G1 F Eng V1 2017 15 1 HLF Italian Design ...

Page 104: ...ELECTRONIC BOARDS DESCRIPTION 15 1 Mother board HLF Italian Design 15 2 S M HLF 1700 G1 F Eng V0 2016 ...

Page 105: ...r 6 Temperature probes connectors in order from left to right Connector 1 1 Boiler temperature probe 2 Common cable for boiler and coffee group temperature probes 3 Coffee group temperature probe not used anymore Remaining connectors are unused 7 Hardware programming for manufacturer only 8 Bluetooth module connector S M HLF 1700 G1 F Eng V1 2017 15 3 HLF Italian Design ...

Page 106: ...motor counter one 2 Machine bus connectors 3 Board number selector 4 24V DC power supply 5 Outputs connector n 4 6 Outputs connector n 3 7 Outputs connector n 2 8 Outputs connector n 1 9 Heating element connector 10 Hardware programming for manufacturer only HLF Italian Design 15 4 S M HLF 1700 G1 F Eng V0 2016 ...

Page 107: ... the water level reaches the maximum the machine will fill for 2 seconds more default position for air break 2 Less sensibility than None 3 Less sensibility than 2 default position for steam boiler 2 3 Less sensibility than 3 for really hard water 2 Led lightened when the water level is below the minimum 3 Water level board microchip socket 4 Inputs connection 5 230V AC connection S M HLF 1700 G1 ...

Page 108: ...ELECTRONIC BOARDS DESCRIPTION 15 4 Power stabilizer 1 24V DC connection 2 24V AC connection 3 Ground connection 1 2 3 HLF Italian Design 15 6 S M HLF 1700 G1 F Eng V0 2016 ...

Page 109: ...PLANNING DIAGRAM 16 Planning diagram S M HLF 1700 G1 F Eng V1 2017 16 1 HLF Italian Design ...

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Page 111: ...ELECTRIC DIAGRAM 17 Electric diagram S M HLF 1700 G1 F Eng V1 2017 17 1 HLF Italian Design ...

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Page 113: ...HYDRAULIC CIRCUIT 18 Hydraulic circuit S M HLF 1700 G1 F Eng V1 2017 18 1 HLF Italian Design ...

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Page 115: ...SPARE PART LIST 19 Spare part list S M HLF 1700 G1 F Eng V1 2017 19 1 HLF Italian Design ...

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