Service - VE Global Solutions
Contents
1. he 1 m 215 M ue e T sli n 4 4 rii di Es EE Lp z EL Rea ey F4 To the 24 V DC power supply board NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 18 24 10 TROUBLESHOOTING Problem and or indication on the display The display indicates the message Compressor The display indicates the message Coin mechanism The display indicates The display indicates the message Machine board Possible cause If the compressor runs for 24 hours consecutively without the cabinet reaching the temperature set via the SW the machine is locked and the selection disabled The following could be the cause Lack of gas in the refrigerating circuit Failure to the evaporator s electric fan Failure to the condenser s electric fan or NTC triggered Failure to the hot gas defrosting solenoid valve Obstruction in the rear grille If the CPU for more than 30 seconds does not receive communication impulses from an Executive serial coin mechanism or 75 seconds from a BDV serial coin mechanism or if receives an impulse for longer than 2 seconds the machine locks and the selections are disabled One or more areas of the RAM contain wrong data which could change the operating default values The machine will continue working but some parameters could have been changed with con2. E NECTA WI T T E N B OR 6 n n o E SERVICE MANUAL StarFood BASIC TECHNICAL MANUAL THE CONTENTS OF THIS DOCUMENT ARE INTENDED FOR NECTA S AFTER SALES PERSONNEL NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 1 24 TABLE OF CONTENTS Layout Models Page 3 Electrical systems connections and configuration Pages 4 5 6 7 8 9 Release dispensing storage systems Pages 10 11 Wiring Page 12 Power supply Page 13 Cooling unit Pages 14 15 16 Cabinet Page 17 Door Page 17 Wiring diagrams Page 18 10 Trouble shooting Pages 19 20 21 11 HACCP directive Use instructions Page 22 12 Periodical cleaning and hygiene Pages 23 24 1 2 3 4 5 6 7 8 9 NOTE The above systems and functional units are specific to this machine All functional units installed but not listed in this document are also used in other machines in the same range therefore they will be described in a separate manual for machines belonging to the same range where all base functional units will be described more in detail Star Food View of user interface Description Refrigerated compartment lock 2 Selection price indicator display Product label housing 2 EN Lu RANK Direct selection buttons 10 11 Main LCD display 7 Coin slot coin return button Shopper button drum rotation Door lock to electronic payment systems coin box access to program
3. V 50 Hz actuations Lamps central ratiomotor cooling unit and electric fans The same box houses the ballasts for the neon lamps and all main fuses easily accessible from the outside with the door open REF DESCRIPTION lnefuse TI5A SS Connector for power supply to drum magnets and heating elements 0 Column s motor connector 2 3 14 13 24 6 COOLING UNIT AND INTERNAL VENTILATION A highly innovative cooling unit is used for the StarFood series with unique features that make it stand out among the solutions normally used by the competition Operating diagram and refrigerating gas flow lines Under normal operating conditions the gas exits condenser 2 and through the capillary line 4 reaches and expands in the evaporator 5 such expansion creates cold Then the gas is sucked out by the compressor which compressing the gas again re creates the previous cycle and so on until the pre set temperature inside the refrigerated box is read by the probe that at this point stops the compressor During the defrosting cycle set via SW the solenoid valve 8 opens and changes the gas flow delivering hot gas directly to the evaporator thus speeding up defrosting The internal temperature control is by means of an NTC type electronic probe fitted with an internal 2267 ohm resistance 7 ohm at a temperature of 3 C As the internal temperature decreases the resistance is increased progressivel
4. which is adopted for that specific market In the event of replacement cables of exactly the same characteristics must be used Since the StarFood vending machine is approved by an electrical safety certification institute IMQ replacements with non original components are not permitted Otherwise the electrical safety certificate and the warranty will be void Door safety switch ACTUATION BOARD AND CONNECTIONS NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 4 24 2 1 ELECTRONIC BOARDS CONNECTIONS ELECTRICAL AND BOARD CONNECTIONS rumes Pn A o E om 1 i l LIINC 1 ls Bum 4 d X SLIDER OPERATION RATIOMOTORS CPU BOARD AND CABLES SERVICE BUTTONS INTERNAL SIDE WITH ISOLATING DOOR view without protective casing OPEN Selection buttons and cables view of payment system door internal side Closed slider signal microswitch During the opening movement the microswitch is open NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 5 24 BOARD CONNECTION DIAGRAM CPU board m ES MEET To the actuation board SM lactuation and control board LCD display card 1 ion STE SEES dr6 DAH ROWE iu Temperature control probe Printer or data reading device port only if the relevant o
5. of each sector This way the temperature is uniform in each drum and each sector as programmed in the SW therefore if 39 C is set in each sector there will be 39 C x1 C Some competitors have used this solution already for some time but it is not suitable if both Food and Snack products are to be dispensed by the same vending machine The solution conceived by NECTA allows also a differentiated internal temperature setting By suitably rotating the circular sectors positioned on the column the slots at the height of each drum where air flows out can be closed If blocking off the refrigerated air flow into the drums filled with products that do not need refrigeration e g snacks the temperature will increase until achieving the value indicated in diagram A While the temperature in the lower part corresponds to the programmed temperature the one in the upper part will be a direct consequence and is not controlled Diagram A temperature achieved with a differentiated temperature setting Exploded view of cooling unit Important Always have the lower drums with food temperature setting therefore never needing to be completely closed cold airflow closed off NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 16 24 7 CABINET The cabinet is made with pre varnished sheet metal assembled with rivets and different type of reinforcements polyurethane foam insulation made with R1
6. on both phases A safety transformer supplies power to extra low voltage components 24 V while the cooling unit and the lamps are powered with the mains voltage With regard to the transformer The primary winding is protected with a T 3 15 A fuse The secondary winding 24 V is protected with the following fuses T15A T6 3A T3 15A T2A The power supply board is protected with a T 3 15 A fuse located in the relevant panel The machine is equipped with a safety switch fitted on the main door and with a second safety switch on the electronic components and payment systems compartment door The safety door switch permits the rotation of the drums for loading using the internal push button panel and disconnects the compressor and lamps the display will indicate the message Loading with door open and vending is disabled The safety switch for the payment systems door is activated when the side door is opened disabling vending and permitting programming and loading with the main door closed opening and rotating the drums automatically see programming manual the display will indicate the message Loading and the external buttons take on a different function The power cable can be supplied as standard feature and chosen among the following types HO5 RN F copper with a 3 x 1 5 section HOS5VV F Horn 11 11 HO7RN F Fitted with a fixed SCHUKO plug NOTE For UK there is a specific plug conforming to the standards in force
7. 34 A gas safe for the ozone layer is placed between the external pre varnished sheet metal skin and the internal skin As well as providing optimum insulation the foam contributes to the stiffness of the structure The base is made with varnished and welded sheet metal the feet are adjustable for perfect levelling and after removing the lower grille a trans pallet can be used to move the machine The hinges are very sturdy and reflect the logic of C amp B vending machines NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood 3 i p FIG 2 Edition 02 2002 The door is of isolated double glazing type fitted with a smaller door to access the payment systems and the CPU board FIG 1 The door is divided into various sliders each slider is fitted with a selection button and display for prices FIG 2 The following are located on the payment system door main display coin slot and coin return button the Shopper button and the lock ensuring a 3 point lock The main door is closed with a lever type lock controlling a rod for two point lock When opening the main door a microswitch is triggered setting the machine to loading with the door open The payment system compartment door is also fitted with a microswitch which activates the loading with door closed function or it allows access to programming 17 24 9 WIRING DIAGRAMS POWER SUPPLY AND LIGHTING DIAGRAM hi la
8. ECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 The SW monitors the probe s internal resistance therefore in the event of an interruption the malfunction is detected immediately in this case check that connection is correct and then replace the probe with one of the same type In the event of short circuit the probe indicates an excessive temperature therefore the SW disables all selections Check that the PTC was triggered if that is the case replace the TRIAC for the relevant actuation or the entire board the problem should be corrected The PTC system is self resetting therefore until the problem is corrected the system will be activated and deactivated cyclically without anyway causing any safety problems Check the connections to the ratiomotor and ensure that the correct voltage reaches the connectors 24 V DC If all correct replace the ratiomotor with an original one In the event of excessive absorption the problem could be due to an excessive sliding effort remove the motor and manually operate the slider which should slide smoothly and with no effort Remove the motor and check the no load and load absorption using a precision digital multimeter 0 300 mA the max no load absorption must be max load absorption Check the functioning of the motor actuation relay K1 K12 Ensure that the problem was not due to a blockage or interference Otherwise check the functioning o
9. aning should be done at the vendor s as some operations are more complicated and therefore requiring the service of qualified technicians FIG 4 SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 24 24
10. astening point for screws have been provided 11 24 The StarFood is certified by 1 therefore the wiring is complying with the standards and regulations in accordance with current EC directives They are completely sheathed and double insulated The door can be completely removed as all cables can be disconnected by means of connectors all starting from the power supply unit FIG 1 All main connections for the different function start from the power supply unit FIG 2 All connections for the vending machine control start from the CPU board push buttons payment systems ratiomotors heating elements display FIG 3 VIEW OF POWER SUPPLY UNIT WITH PROTECTIVE CASING CONNECTORS FIG 2 View of cables from the CPU board View of power supply main wiring NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 12 24 5 POWER SUPPLY A l Exploded view of power supply unit Detail of fuse and connectors NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 The power supply unit is totally enclosed in a galvanised metal box It is composed of a safety transformer supplying power to all low voltage functions The input from the mains is protected with a main switch and two fuses on both phases It is also fitted with a noise suppressor The CPU boards controls also a relay card 6 relays for the 230
11. d down arrow keys Check the functioning of magnets Check the functioning of the ORIGIN magnetic sensors Check the functioning of the SHOPPER button Check the functioning of the TRIAC on the actuation board check the functioning of the sector positioning microswitch Check the functioning of the neon lamps and of the starters Check the functioning of the 230 v AC power supply SOR board Check that the microswitches are triggered correctly check the cables are not damaged or disconnected Replace microswitches and or cables 21 24 11 HACCP DIRECTIVE HACCP DIRECTIVE EEC 93 43 and 96 3 Outline and instructions for use Notes What is indicated by the EC Directive Directives EEC 93 43 and 96 3 concern the hygiene of food products and are based on the HACCP Hazard Analysis Critical Control Point The purpose of this directive is to safeguard the consumer health suggesting a series of actions to be taken by the vending company aimed at checking identifying and correcting any critical aspects in the foodstuff chain from the purchase of products and machines to the dispensing of the product The HACCP is a system used to analyse any potential risks in the manufacturing and distribution cycle of food product and to identify critical points where such risks can occur the system also highlights the actions to be undertaken and the decisions to be made with regard to such critical points as well as the implementa
12. emoved from the support column by opening them into two halves drawing 1 The drums can be divided with partitions in various sectors however all equal in each drum drawing 2 The drums can be removed completely from the cabinet with a simple operation drawing 3 The entire drum assembly is rotated by a professional type ratiomotor powered with 230 V AC DRUM CONTROL SYSTEM COMPONENTS 74 1 Fastening screw 2 Separator counter lever 3 Origin magnetic sensor FIFO zero position 4 Stop magnet sliding pin 5 Drum control device 6 Anti rotation lever 7 Quick fastening hook The assembly can be moved by undoing screw 1 and the quick positioning hook 7 Such movement is necessary when the drum height configuration is changed Counting unit drum origin and stop in tilted position DRAWING 1 Rotate the lever to release the two drum halves lock Then rotate the entire drum assembly 180 to remove a complete drum at the time Counting unit drum origin and stop in operating position DRAWING 2 Release tangs 3 to change the width of the sector extract and J reinsert the tangs into DRAWING 3 Remove shell half 2 to extract the entire drum assembly because of the weight two persons are required tilt ar the entire assembi easily extract it NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 the new position For safety against theft some f
13. erating programs and two series of configuration minidips to adapt the machine to the different payment system and coin mechanism protocols also to display the messages on the display in the desired language see below There are various coloured LEDs with the following functions Green LED 2 blinking during the normal and correct operation of the CPU board 3 glowing to indicate the presence of 5 V DC Red LED 4 glowing if there is a program error Red LED 5 glowing during the board reset phase HO uo Dip 1 2 3 4 OFF 8 7654321 Dip 1 OFF normal operation EXE protocol off ON autotest operation ON Rear door Dip 3 Not used Dip 1 OFF Dip 2 Dip 3 ON Dip 4 OFF MDB protocol Dip 4 Not used MINIDIP1 8 Dip 5 Not used Dip 6 Country Italy 6 7 8 OFF Dip 7 Country Dip 8 Country MINIDIP 1 4 NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 9 24 3 VENDING AND LOADING SYSTEMS The Star Food is a S amp F vending machine of the DRUM type current use term referring to the shape of the complete disk assembly more specifically they are drums divided in various sectors containing a products normally of the snack amp food type rotating to pre set positions to bring the product into a dispensing position most competitors use a manual solution to pick up the product by opening the sliders or other The Star Food is innovative a
14. f the microswitch using a multimeter and if necessary replace If the problem is not due to an accidental blockage or with the microswitch check the circuit to the board 20 24 Problem Possible cause and or indication on the display The display indicates magnetic sensor called origin detects the message the angle positioning of a drum the Drum failure positioning of a sector is detected by a spacer that triggers a microswitch after the product in such sector is sold If after a complete rotation the origin magnetic sensor is not triggered or if after a vend from a sector the microswitch is not triggered the selection is disabled The machine does not The vending machine is protected against start and the display is short circuits with two line fuses one on off each phase with fuses on the secondary winding and on CPU board power supply see wiring diagram There is also a main switch The slider closes too The factory default setting is for a quickly maximum wait time of 10 seconds before starting to close If the closing time is shorter check the parameter setting for the slider function The drums continue to The drums can be programmed for FIFO rotate also after the or Shopper vending In the case of drums shopper button is programmed for FIFO such drums must released or it does not stay still when the Shopper button is rotate when the button pressed Is pressed In the case of a drum prog
15. fastening screw During a selection the ratiomotor is activated rotating the gear meshing with the rack thus opening the curved slider along the guides When the protrusion A hits the stop B the motor torque increase causes an increase in current mA absorption and the SW after analysing such absorption stops the motor and sets the inverse rotation to close the slider Drum assembly F In the case of SW malfunctions or short circuit in the TRIAC a thermo Mobile amperometric PTC protection connected in series on the motors n common conductor is triggered and measuring a current that is higher than the expected one it heats up preventing the passage of current 4 causing the motor to stop The system is self resetting therefore the problem to the board must be corrected as soon as possible B Slider opening mechanical stop full open position Detail of slider movement gears Detail of drum movement during View from internal side the opening phase NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 10 24 The drums are controlled by means of the Stop assembly having different functions and characteristics Hold the drums still during stand by Block the drums configured as FIFO during the shopper rotation the drums are clutched against each other Ensure the drums origin position Compute the drums partitions permitting the perfect stop positioning The drums can be r
16. he operation in the HACCP log 0 1 WEEKLY CLEANING AND HYGIENE Expected time 6 min In addition to the daily cleaning operations clean the rear grille with a brush and if necessary the inside of the conveyor Vacuum clean any dust FIG 1 Clean the support surface of the drums and make hygienic NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 23 24 ANNUAL CLEANING AND HYGIENE Expected time 20 min excluding the pull down time Open the door and disconnect the machine form the power supply FIG 1 Completely remove the drum column FIG 2 doing as indicated Clean the inside of the refrigerated box with a damp cloth soaked in chlorine based detergents Completely remove the cooling unit FIG 3 thoroughly clean the internal base and make hygienic Remove all the dust from the fans and cooling unit condenser FIG 4 Clean and make hygienic the condensation tray FIG 4 Clean the internal conduit of the drum column Reinstall the drum column into its operating position Clean all internal parts of the drum sectors especially the partition walls FIG 5 Reinstall the cooling unit FIG 3 4 Reinsert into the operating position Clean the external parts especially the coin return compartment and the push buttons FIG 6 Start the machine and bring the internal temperature to operating value Load all vending products NB Annual cle
17. isplay indicates the message Slider failure The display indicates the message Slider open Possible cause The temperature control probe on the evaporator for defrosting is of the NTC type with the internal resistance that changes as the temperature changes If the probe is interrupted defrosting is also stopped if the probe is short circuited the vending machine locks and the selections disabled The sliders ratiomotors are protected both at a SW level and at a HW level However in the event of a failure to a motor activation TRIAC the PTC amperometric sensor is triggered blocking all motors When activated the current absorption in mA of the slider opening closing control ratiomotor is monitored by the CPU If during the opening actuation the absorption is zero or higher than expected and programmed in the SW the power supply is disconnected and the relevant selection disabled This problem could occur also after replacing the ratiomotors with non original ones When closed the slider triggers a limit microswitch In the event that due to a mechanical block it is not closed completely or in the case of interference by an object or by the customer s hand the ratiomotor absorbs a greater current in mA than the one programmed in the SW therefore it stops against the obstacle and opens completely if after three consecutives attempts the problem is closing persists the machine is disabled N
18. ming RS 232 port and reset button Th x il E E L m x i IN x Space for miscellaneous information ua i al 7 J Coin return pocket NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 2 24 1 LAYOUT MODELS DESCRIPTION VARIABLES 1 DRUMS 8 TO 12 MAXIMUM HEIGHT OF DRUMS 50 mm 90 mm 130 mm DRUM PARTITIONS VARIABLE 6 12 18 24 36 PRICES PER DRUM 1 TO THREE For each drum DIMENSIONS HxWXxD 1830 x 850 x 895 mm 7 OVERALL DIMENSION 1650 mm t IDENTIFICATION CODE ROOT a 2 4 5 6 7 The identification code can be determined by 7 groups of initials having the following meaning 1 indicating the presence of the rear door with a P 2 indicating the number of drums used 3 indicating the number of 50 mm high drums 4 indicating the number of 90 mm high drums 5 indicating the number of 130 mm high drums 6 Indicating the country I F E D UK CH B DK N A NL CZ S FIN 7 indicating the IMQ certification with a Q For example 10 0 10 0 10 means StarFood model with rear door P fitted with 10 x 90 mm drums for the Italian market I and certified by IMQ NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 24 The machine is designed to operate under a single phase voltage of 230 V 5 10V It is protected with two T15 A fuses
19. move the protective casing from the condenser C 3 Remove the Stop from the unit A 4 Partially slide out the unit so that the wiring can be disconnected The thermal break between the hot zone of the unit and the refrigerated box occurs through a slight interference between the seal and the bottom of the box Condenser casing fastening Screw Cooling unit stop screw Pay attention when sliding out the unit as it needs to be rested onto a pallet for easier handling The unit is reassembled in the reverse order of disassembly ESTRARRE CON CURA NON CEIL FERMO CORSA RETIRER EVEC SOIN CAR IL A PAS 0 ARRET DE COURSE REMOVE WITH CARE THERE 15 NO RUN CATCH WORSICHTIG HERALISZIEHEN DA KEINE WEGENDBLOCKIERUNG VORHANDEN 187 EXTRAER CON CUIDADO NO SE ENCUENTRA LA TRABA DE LA CARRERA NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 15 24 VERTICAL SECTION OF THE REFRIGERATED AIR CIRCULATION INSIDE THE CABINET T 1 i Ta ib ATT FIG 2 Description of the internal ventilation operation The axial fan 6 FIG 2 sucks the refrigerated air through the double evaporator the air is taken by the 2 slots A B positioned at the base The air is conveyed and forced inside the drum column s hollow and pushed out through a series of holes 60 located evenly at the centre of each drum 26 and at the centre
20. nd equipped with automatic systems for opening the sliders having the following characteristics From 8 to 12 drums maximum with a height of 50 90 130 mm the drums are clutched to each other to allow FIFO or SHOPPER control or both with some drums in FIFO and others in SHOPPER mode FIFO control permits dispensing of products according to the order of loading the first product to be loaded will also be the first one to be sold this method is also used to set the products expiry dates The drums can be divided into sectors with the following options 6 12 18 24 36 however it is NECESSARY that the sectors are identical in the same drum i e the entire drum with 6 or 12 sectors and so on having the same width The FIFO drum control must be enabled via SW and then all is automatic by pressing the buttons for the desired selection the drum rotates to the correct vending position and the slider opens automatically the customer must pick up the product within the pre set default time SHOPPER control allows the product to be picked up as desired from the drums programmed for such function When pressing the SHOPPER button all drums are rotated through a special mechanism see photo except the ones programmed for FIFO which stay still According to the drum partitioning the mechanical stop for the automatic slider maximum opening must be adjusted manually Move the stop to the correct position by loosening and tightening the
21. nternal zones of the machine with products to be loaded in a second occasion VVVVVVVVV N N N CLEANING THE MACHINE Carefully observe the following cleaning instructions Considering that The StarFood normally dispenses packaged products however it can be enabled to dispense food products that ARE NOT packaged and in this case cleaning must be stricter In the following instructions only the cleaning and hygiene operations for the FIRST case are described Clean the machine preferably at the end of the day or in the morning before the machine is used and before loading the products to be sold Fill in the checklist log for cleaning operations When the display indicates an error message immediately check the trouble shooting sheet Use only recommended cleaning products approved for foodstuff preferably liquid do not use powder and abrasive products that could scratch plastic surfaces VV ON NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 22 24 12 PERIODIC CLEANING AND HYGIENE DAILY CLEANING AND HYGIENE Expected time 3 min Open the door and disconnect the machine form the power supply FIG 1 Clean the inside of the sliders with a damp cloth soaked in chlorine based detergents Clean the surface where the product are place using a clean cloth before loading the products in the morning FIG 2 Dust all of the inside of the refrigerated box especially the base Enter t
22. ptional board is installed Push button board m 13 5 4 Ba L T TP I Ed CEE 347 1 4 w E i 2 13 L In 1 EL NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 6 24 ACTUATION BOARD J7 J8 Stop ees drums 1 12 J1 Counter microswitch sectors 1 12 Bs zx XIII FUR T zs a ELI J16 2 Slider heating elements J11 Connection main door microswitch sensors J6 Slider ratiomotors SM J5 Limit switch for sliders 1 12 J15 to the board Power supply Push button board ACTUATION BOARD LAYOUT eese c ic NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 7 24 ACTUATION BOARD By means of relays or TRIACs the actuation Actuation board components legend board activates the 230 V AC and 24 V DC power users see list at page 8 N brum stop magnets connector A FLASH EPROM is used also on this board 1 Slider heating elements and magnets power supply with the option of programming the SW connector without needing to replace it Slider heating elements connection For programming it is sufficient to have the special SW and a personal computer or the GREEN LED blinking at 1 second intervals during normal Programmer
23. rammed for Shopper the drum must rotate when the button is pressed and stop when released The internal lamps do Switching on and off of the lamps can be programmed therefore check that such option was not included in the programming The display indicates Closing of the CPU and payment system the message compartment door is monitored by a sends the signal for LOADING The doors are closed main door is monitored by a correctly microswitch that when is not triggered sends the signal for LOADING WITH DOOR OPEN NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 Check that when in the origin position the drum triggers the magnetic sensor if not check that the sensor and receiver are aligned otherwise realign the components if after this operation the problem is still unsolved check the functioning of the microswitch that must be triggered each time a sector moves one position Then check the functioning of the drum stop magnet and more specifically that the safety klixon was not triggered self resetting type Check that the fuses are intact and if necessary replace First identify the cause of the blown fuses Check the power supply cable The transformer s functioning In programming mode scroll through the menu items until displaying Drum sliders confirm and select slider parameters check the time setting if necessary increase up to the maximum setting using the up an
24. sequences to the general functioning The temperature control probe in the Normally two to four hours are required to reach the operating temperature according to the load A longer time means that there is a malfunction check for any small leaks in the refrigerating gas circuit if necessary repair the leak and charge with the correct dose of gas Check that the electric fans work correctly Check the correct actuation of the solenoid valve Check for the correct cooling airflow inside the refrigerated box In the case of failure to components replace with original parts Replace the coin mechanism with one that is certain to work and check the communication Check connections Check the CPU board and if necessary replace with that is certain to work Check that the 24 V DC power supply fuse Is intact Initialise the CPU again After initialising all data settings will go back to the default settings restore the customised data using the programmer or a PC If in spite of initialising the malfunction persists replace the CPU board with an already tested one that is certain to work Check the internal resistance in the NTC refrigerated box is of the PTC type with the probe using a digital multimeter A internal resistance that changes as the temperature changes If the probe is interrupted the machine locks after 5 minutes from the failure and the selections are disabled the display will indicate 11 C If
25. there is a short circuit in the probe the machine locks after 60 minutes and the selections are disabled the display will indicate 41 C The CPU board and the machine board actuations exchange data during the entire vending machine operating time If there is no such communication the machine locks and the selections are the connection cables Check the actuation board function check the SW updating for both boards NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 resistance of 730 ohm corresponds to a temperature of 30 C A resistance of 2612 ohm corresponds to a temperature of 0 C melting ice Replace the probe with an original one before installing the new one check that the internal resistance corresponds to the above parameters Replace the CPU board with a bench tested one that is certain to work if the malfunction persists replace also the actuation board if the still malfunction persists replace the cable or check for the disabled Check the CPU board function and suitability of the connections The machine was designed in compliance with the EMC directive however if placed in an area with high interference immunity problems could be caused therefore in the event of such problem try moving the machine to a new location 19 24 Problem and or indication on the display The display indicates the message Gas temperature probe All sliders do not open The d
26. tion of checking and monitoring procedures Therefore each vending company must develop a Company Hygiene Self control Manual according to the provisions of the directive and if necessary use the information and recommendations formulated by some associations in the sector The manual must contain a programming and checking schedule for the hygiene condition of each vending machine and when a new machine is added this must be updated immediately Important notes For a correct use of the machine the directives must be fully applied The operator is responsible for correct operations on a vending machine HACCP Directives EEC 93 43 and 96 3 Guidelines for correct application Ensure hygiene control with a special manual for correct hygiene practices After cleaning do not touch the surface of any elements that may come into contact with food Wash your hands thoroughly preferably using disinfectant before starting any hygiene operations Use disposable sterile gloves Always use a clean cloth to wipe dry Keep the work area tidy Check that the product packages are intact and not damaged Use products within the recommended time period see expiry date on the package Always use products from the warehouse according to the principle of first in first out Consumables must be kept and transported separate from the cleaning and hygiene products Drums and sectors must be cleaned regularly see operating instructions Do not fill i
27. unit available as optional operation feature 4 Board configuration minidip 1 4 OFF 2 3 ON CPU board connector Internal loading buttons connector NTC probe connector Slider limit microswitches connector Drum origin magnetic sensors connector Drum sector microswitches connector Free 230 V AC user relays connector 24 V DC power supply connector Main fuse for slider motors 16 Drum stop magnets connector connector FUNCTION OF RELAY KO1 K12 AND TRIAC 003 014 Application TRIAC CODE Motor for slider 1 Motor for slider 2 Motor for slider 3 0 Motor for slider 4 Motor for slider 5 07 Motor for slider 6 08 Motor for slider 7 Motor for slider 8 Motor for slider 9 Motor for slider 10 Motor for slider 11 Motor for slider 12 14 Heating elements for sliders 1 12 EMI NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 8 24 CPU BOARD COMPONENT AND CONNECTION DESCRIPTION bil 2 GreenLED RUN e Rean programer 2 Validator connector PRINTED BOARD FUNCTIONS AND INDICATOR LIGHTS Configuration CPU BOARD The CPU board is housed in the payment system compartment communicates with the machine board and handles the input signals from the selection buttons and from the payment system and controls the Display It is fitted with a trimmer for adjusting the machine display contrast The board is fitted with Two FLASH EPROMs containing the op
28. y as indicated in the following table Ref box int Value in ohm Allowed The unit is equipped with a hot gas defrosting system temperature tolerance controlled by an NTC probe positioned on the evaporator suction end FIG 3 When during defrosting the evaporator reaches a temperature of 4 C the defrosting cycle is stopped The defrosting timing is set via SW with repeatable cycles 2267 NOTE the defrosting cycle is set to 6 hours by default o 7 Detail of refr box temperature probe The evaporator is split to achieve better efficiency in distributing i refrigerated air see exploded view B the condenser 7 is of the type FIG 2 5 7 9 with a spiral shape also split to ensure better ventilation without needing periodical maintenance as this solution is self cleaning by means of the fan s action Detail of cooling unit being removed In addition the entire unit is conceived as a slide in very compact and will all components located in the same module It is therefore possible to extract and replace the whole unit in a few minutes FIG 2 NECTA SPA TECHNICAL MANUAL StarFood Manual StarFood Edition 02 2002 14 24 To disassemble the cooling unit follow the instructions indicated below Condenser protection C Power supply unit casing B To be able to slide out the cooling unit it is necessary to 1 Remove the protective casing from the power supply unit B 2 Re
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