“COLIBRÌ” - Expert-CM
Contents
1. 1 F 9 NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Open the door and disconnect the machine from the power supply FIG 1 Remove the liquid collection container empty it and rinse it thoroughly FIG 2 Empty the grounds container and rinse it thoroughly Remove the powder dispensing spouts and clean thoroughly using specific hygiene products FIG 3 If necessary remove the containers empty them completely and clean thoroughly Remove the liquid collection container and the grounds container empty and clean them Remove the coffee unit clean and rinse with a sponge damp with hot water FIG 4 Remove the sugar dispensing spout and clean thoroughly FIG 6 Remove and clean the cup shift FIG 5 Remove and clean the dispensing spout assembly Reassemble all parts taking care not to touch with your hands any parts that come into contact with food Close the door and make some test selections Carry out a mixer automatic wash cycle according to the pre set procedures Note After restarting the machine remember to reset the solid waste container by removing it and reinserting it again Edition 02 2002 23 25 WEEKLY CLEANING AND HYGIENE Expected time 6 min Open the door and disconnect the machine from the power supply FIG 1 Remove the powder dispensing spouts and clean2. NECTA SERVICE MANUAL COLIBRI BASIC TECHNICAL MANUAL THE CONTENTS OF THIS DOCUMENT ARE INTENDED FOR NECTA S AFTER SALES PERSONNEL TABLE OF CONTENTS Layout Page 3 4 Electrical systems connections and configuration Page 5 10 Air break Boilers Page 11 13 Pumps and by pass Page 13 Coffee brewer unit Page 14 Stirrer dispensing unit Page 15 Cup dispenser assembly Page 16 Doser devices and powder product containers Page 17 1 2 3 4 5 6 7 8 9 Mixer unit Page 17 Powder and water dose tables Page 18 Trouble shooting Page 19 20 Wiring diagrams Page 21 HACCP directive Use instructions Page 22 Daily cleaning and hygiene Page 23 Weekly monthly cleaning and hygiene Page 24 25 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 1 Cup dispenser 2 Liquid waste tray 3 Sugar and stirrer release 4 Brewer unit 5 Coffee container 6 Safety microswitch 7 RH Auto mechanical safety pin 7A LH Auto mechanical safety pin 8 Coffee doser and release unit 9 cup support swinging arm Note The mechanical safety pins 7 7A have the function of prevent
3. 953 check the cause of such trigger Insufficient water to powder Empty the powder removal drawer ratio Check adjust the water to powder ratio The display indicates the In the case of a serial Check for correct connections correct insertion of the message communication kit if there is protocol card and SW settings Coin mech failure no communication for more that 30 sec with parallel communication systems this is not signalled The display indicates the If water is drawn from the Such control serves the purpose of preventing water leaks in message air break without a selection the hydraulic system that could quickly fill the liquid waste Water leak being made or wash cycle j container as there is no HW control of such situation the SW stops the mains inlet carefully check the hydraulic system to find any leaks solenoid valve to avoid any flooding NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 20 25 12 WIRING DIAGRAMS ESPRESSO VERSION WIRING DIAGRAM NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 21 5 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 he
4. NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 8 25 MACHINE CONTROL BOARD CONFIGURATION Three electronic boards are installed 1 The CPU control board located at the back of the machine processes the information from the push buttons the payment system and from the sensors installed throughout the machine it also controls the actuations and the push button board It is built on SMT technology NB SMT acronym for Surface Mount Technology some electronic components that are smaller than the standard which can be surface mounted takes little space works with precision and reduced problems from electromagnetic disturbance 2 The push button board located on the inside of the door controls the alphanumeric display and it processes the push button commands it also supports the coin mechanism connectors and the RS232 printer port 3 The display board processes the information and converts it into readable signals The board power 15 VAC is supplied through the transformer which is protected with two fuses 125 mA T on the primary winding 1 25 mA T on the secondary winding The CONTROL BOARD is also fitted with three coloured LEDs to indicate the different functions GREEN LED N 5 it blinks during normal operation and indicates that the microprocessor functions correctly LED N 10 it glows when there is a 12 V DC power supply to the board RED LED N 12 it glows when the boiler heating
5. NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 18 25 11 TROUBLE SHOOTING And or indication on the display The machine does not go No water flow from the into the boiler heating Mains or insufficient pressure indicated and once identifying the cause do as follows phase remaining in the 5 N cm installation phase The display indicates the message No coffee The display indicates the message Coffee release failure The display indicates the message Boiler failure The display indicates the message No cups The display indicates the message Espresso unit The display indicates the message Volumetric counter flow meter 0 5 8 5 bar Check for the presence of one or more of the situations Short circuit the microswitch to check it s functioning Unlock the water inlet valve undoing the threaded ring and The air break microswitch is emptying the overflow 6 faulty Water inlet solenoid valve Check for 230 V AC voltage at the solenoid valve power supply ends locked by the overflow tube Check the activation of relay K 12 and activated by the relevant relay The grinder motor is locked When an espresso coffee selection is made the grinder is because there is no coffee The grinder wheels are locked because of foreign matter in the coffee Grinder motor overheating device triggered The coffee con
6. by a volumetric counter with the water flow a wheel rotates and through a sensor that sends a number of pulses corresponding to the water dose programmed in the SW If such dose is not reached within 60 sec it means that there 19 25 is a problem Check the correct operation of the volumetric counter there must be 5 V AC on the terminals during the counter operation Check that coffee is not ground too fine and the dose excessive Check for clogging in the coffee filters No water from the mains If in the period it takes to make 6 selections with any dose The display indicates the Faulty air break microswitch the microswitch controlled by the air break float is not message Failure to the float actuation triggered Air break failure system The vending machine is locked for air break failure The malfunction could occur for lack of water from the mains or because of a failure to float microswitch system Replace the microswitch with one having the same characteristics otherwise other malfunctions may occur The display indicates the Wrong RAM data which Enter into the installation procedure and initialise the message must be retrieved by software if the failure persists replace the CPU RAM data initialising the EPROM The display indicates the Models with water supply Check the water inlet solenoid valve message from the mains Check the correct actuation of relay K 12 Water failure If the air break microswitch C
7. element starts NOTE The board also controls the payment system however as standard feature only a parallel type communication system is controlled Three separate cards to be inserted into connector N 8 are available controlling the payment system protocols and namely Executive MDB BDV These cards are available as optional features assuming that for the specific range of the Colibri vending machine normally a parallel communication system with front validators is used Wiring connection diagram for payment systems with the different protocols 1 43 a 1 1 2 wre DZ NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 9 5 LAYOUT AND CONNECTIONS Push button board viewed from the component side RS 232 port Optional and only active if a serial card is installed Programmer device connector Push button board connector NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 10 25 AIR BREAK BOILERS Its function is to keep the water level constant and to signal a water flow interruption from the mains in the event of such water failure the current selection can be completed In addition it serves the purpose of holding a reservoir of water at normal atmospheric pressure so that the pump can draw the correct water dose for the select
8. factory adjusted for optimum operation and must not be changed In the event of the probe being replaced the temperature needs to be readjusted keeping in mind that the temperature increases by tightening and decreases by loosening and each complete turn corresponds to a change of 0 5 C 10 DL2 YELLOW LED Correct power supply to the board ii Board power supply connector 12 DL2 RED LED When starting the machine it indicates that boiler heating element is working las TRIAC boiler heating element actuation 14 Boiler heating element connector 15 Connector for 230 V AC users Relay for actuations K1 K15 see separate list page 8 NECTA SPA TECHNICAL MANUAL COLIBR Service Manual Colibr Edition 02 2002 7 25 REFERENCE TO RELAY CODE AND ACTUATIONS ESPRESSO INSTANT VERSION Espresso Configuration Instant Configuration RELAY Application RELAY Application CODE CODE Three way solenoid valve for Solenoid valve 3 Espresso coffee Coffee grinder motor Whipper 2 Pump Pump Coffee brewer motor Doser device 4 Bill m 6 07 0 12 Sugar doser device D pe eet er a vce Ts a Cup release ratiomotor Cup release ratiomotor Stirrer dispensing motor Stirrer dispensing motor The control board can be configured for the different machine versions only via software settings See Software and Programming chapter
9. gears 24 which due to their special profile snail cause a cup to be released and hold the other cups above The cup falls into the holding and shifting 32 When the cam 16 rotates driven by the motor it controls the lever 36 25 a consequence the fork 32 moves away from the idle starting position until it reaches the cup release position Fig 3 It stays in such position long enough to receive the cup Then completing the ratiomotor rotation the fork brings the cup into drink dispensing position Fig 2 It remains in this position until a new selection is made Such position is determined by the microswitch 40 that also gives the dispensing consent The fork is retained against the cam by a torsion spring that also allows manual movement of the fork to place a jug in the dispensing compartment and an automatic return after the jug is removed Go 0 Fig 3 in stand by 4 33 1 Fig 2 shifting cup into dispensing position NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 16 25 8 DOSER DEVICES AND POWDER PRODUCT CONTAINERS Due to the compact size of the Colibri new powder ratiomotors needed to be designed with quick fastening without any screws to allow easy access for maintenance The powder and bean container module is a single unit comprising all containers needed for the machine 1 for coffee beans and 2 for soluble powders For removal
10. the front door must be opened as for safety reasons a special auto mechanical safety pin prevents the unit from being opened with the door closed Connection with the ratiomotors vertically is automatic There are 4 containers in the instant version The ratiomotors are of the induction type without brushes powered with 230 V AC 80 W and protected from overheating by a an auto reset klixon The ratiomotors are activated by relays K10 and 1 Espresso and by relays 01 K2 K3 K5 Instant E 1 A 7 1 17 1 r i a Ratiomotor vertical connection 1 RH auto mechanical Safety pin Container unit being removed 9 MIXER UNIT Apart from their application the mixer is the usual excellent and reliable ones used in the entire Necta production A mixer must have two main features 1 Ease of disassembly and limited number of components to be able to meet the HACCP directive 2 The quality of dispensed products that must have as much as possible the appearance of products served at the bar The motors are special high rotation speed commutator motors powered with 230 V AC and fitted with interference suppressors and reset able overheat protections The motors are activated by relay K 08 Espresso version K 03 Instant version NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 17 5 10 POWDER AND LIQUID DOSE TABLES FACTORY DEFAULT SETTINGS Coff
11. acity of 170 stirrers To adjust to the desired length it is sufficient to move the adapter profile inside the guide and place it in the preset position for the new size Operation The release ratiomotor is triggered by relay K 24 and the sugar release spout is rotated at the same time as the stirrer release system is activated 02 7 Stirrer dispensing unit fastener Lock Stirrer length adjustment slots al Stirrer positioning weight NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 15 5 7 CUP DISPENSER ASSEMBLY It is a new functional unit provided with the functions of containing releasing and positioning the cups Such feature is exclusive and patented The unit is composed of a cup holder turret with four columns with a Capacity of approximately 175 cups The turret is rotated by a 230 V 50 Hz synchronous ratiomotor positioned in the same unit and activated by relay K 13 To make cup loading easier the turret can be tilted and to achieve this it needs to be lifted slightly and then pulled forward The system has an international patent Cup dispenser with cup shift The system operates as follows When a selection is made relay K14 activates the cup release ratiomotor 14 that rotates cam 16 clockwise also driving pinion 18 that connects the toothed rim of ring 22 by means of an idler wheel When rotating the ring also rotates the four worm
12. alth 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 the 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 products 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 implementation 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 vending machine hygiene condition 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
13. ee Instant beans Coffee Short coffee Time 2 sec 35 sec CDV Espresso 60 s Flow meter Quantity 7g Long coffee Time 2 sec ae Sec r ead Quantity Coffee with milk Time T sec 60 35 cdv Quantity 7g 40 25 c c 2 0 a of milk Cappuccino Time 2 6 45 sec 60 72 cdv 7 59 Quantity 7g 40 55 6 0 a of milk ai 1 ZZ SE gt NOTE 1 The water flow in the mixers is approximately 10 c c per second and it is given as an indication as there are many variables that can affect the accuracy The liquid dose is determined by counting the flow meter pulses cdv Both versions Instant and Espresso use an electromechanical vibration pump with the espresso boiler for the water flow therefore the liquid dose in both versions is measured in cdv flow meter pulses NOTE 2 To be noted that the number of pulses does not change in a linear manner i e double the amount of water does not correspond to double the number of pulses however the counter varies the accuracy according to the water flow velocity and namely For espresso coffee it is slowed considerably because of the coffee compress reaction that slows down the water flow while it is accelerated in the instant drinks selections since there are no obstructions to the water flow Therefore in the event of changing the default doses set at the factory some measurements must be made using graduated measuring containers to check the accuracy of the doses
14. h i Nee j Va 1 iat 5a 74 oe w NECTA SPA TECHNICAL MANUAL COLIBR Service Manual Colibr Edition 02 2002 5 25 BOARD CONNECTION DIAGRAM NOTE The RS232 serial board for communication protocols can be supplied on request SERIAL payment systems can be connected to such board using the following protocols Executive MDB BDV As standard feature the vending machine is factory fitted exclusively for the parallel communication payment systems 12 V front validators Description Actuation and control board LCD display card Temperature control probe V Volumetric counter Printer or data reading device port only if the relevant optional board is installed Cup sensor switch Water sensor level switch air break Liquid waste overflow switch previsions for a model with a support cabinet Cup release motor cam Po Push button board NECTA SPA TECHNICAL MANUAL COLIBR Service Manual Colibr Edition 02 2002 6 25 ACTUATION AND CPU CONTROL BOARD Board components legend Description 1 o Connector for 230 V users Connector for input signals 5 DL2 GREEN LED blinking during normal operation Connector for push button board Expansion boards for payment system protocols optional as standard feature the CPU board controls exclusively parallel type payments systems 6 Trimmer for boiler temperature control The boiler temperature is
15. heck the air break microswitch is closed for more than a Check the tank float microswitch minute Models with water supply from an internal tank If the water level is less than 300 c c The coffee is too weak and Excessively coarse grinding Inspect the grade of grinding keeping in mind that it takes lacks cream and is Insufficient ground coffee between 15 and 20 seconds to dispense optimum espresso dispensed too quickly coffee a A shorter time means that the grade of grinding is too coarse With wear the grinding wheels must be adjusted regularly Check the coffee dose weighing it for at least 5 consecutive doses the average weight must be between 6 5 and 7 grams Coffee is dispensed too Excessive coffee dose Inspect the grade of grinding keeping in mind that it takes slowly and it tastes burnt Grinding too fine between 15 and 20 seconds to dispense optimum espresso Faulty pump by pass coffee Clogged coffee filters A longer time means that the grade of grinding is too fine Adjust the grinding wheels Check the coffee dose weighing it for at least 5 consecutive doses the average weight must be between 6 5 and 7 grams The by pass is set from the factory to trigger at 12 bars Lower settings will lengthen the dispensing time and make less cream Replace the coffee filters The mixers clog up The whipper failed to rotate Check for the motor overheating protection trigger if Powder removal drawer full
16. hygiene gloves Always use a clean cloth to wipe dry Keep the work area tidy Check that the product packages are intact and not damaged Keep coffee and powder products in a cool dark and dry place 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 Tightly close and seal any product packages not completely used Coffee and consumables must be kept and transported separate from the cleaning products The product containers must be cleaned regularly see operation instructions Only fill coffee or other product containers with sufficient amount for the expected use until the next cleaning VVVVVVVVV VV VV V CLEANING THE MACHINE PAGE 23 24 25 Carefully observe the following cleaning instructions Clean the machine preferably at the end of the day or in the morning before the machine is used After cleaning dispense and check a drink see last check 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 avoid the use of powder and abrasive products NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 22 25 DAILY CLEANING AND HYGIENE Expected time 3 min 30 sec FIG 1
17. ime taken by the ratiomotor to reach the upper dead centre after triggering the lower dead centre microswitch brewing position Tests showed that the time to travel the distance is consistent and does not change much because of the type of motor used 3 Inthe event of failure to the microswitch installed a time out device disables the motor 4 Asan optional feature a kit for heating the first selection coffee is available see kit description The unit is factory fitted for the installation of a first coffee heater kit see drawing Espresso coffee brewer detail Positioned at the upper dead centre Ready for loading ground coffee The unit is factory set to accommodate a patented first coffee KIT based on the use of a very low power consumption heater of the NTC type and a built in thermostat see separate description After a long pause the first espresso coffee could be of a slightly lower temperature than the optimum one The Kit ref 7 ensures optimum temperature in the brewing chamber without altering the taste as it happens in currently marketed systems burnt taste NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 14 5 6 STIRRER DISPENSING UNIT It is a functional unit developed from the one already used in the Brio but with considerable innovations The new feature consists in the option of using three different size stirrers 95 mm 105 mm and 115 mm stirrers With a total cap
18. ing the opening of the upper container lids with the door closed In the espresso version only the right safety device is present In the Instant version both left and right safety devices are present View of Colibri with the door open NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 2 5 1 HYDRAULIC LAYOUT HYDRAULIC LAYOUT ESPRESSO VERSION List of hydraulic components 1 Water inlet solenoid valve 2 Air break 3 Volumetric counter 4 Pump 5 Pump by pass complete with check valve 6 Pressure boiler complete with solenoid valve 7 Brewing unit NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 3 5 HYDRAULIC LAYOUT INSTANT VERSION List of hydraulic components 1 Water inlet solenoid valve 2 Air break 3 Volumetric counter 4 Pump 5 Pump by pass complete with check valve 6 Pressure boiler complete with solenoid valve NOTE The same ESPRESSO boiler and pump are used in both the espresso and instant versions but with a different solenoid valve assembly composed of three 2 way valves while the espresso boiler solenoid assembly is composed of two 2 way valves and one 3 way valve The configuration is via Software See procedures in the software manual In both versions the dose of liquids is calculated by means of the volumetric counter NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Editi
19. ion and deliver it to the Espresso boiler without changes in pressure that may affect the volumetric counter reading The dose is measured by means of the volumetric counter The water level is ensured by a float that triggers a microswitch keeping the level between a factory set minimum and maximum it is very important not to replace the microswitch with one of different mechanical characteristics as a variety of malfunctions may occur Furthermore in the event of failure to the maximum level microswitch an overflow hole allows the water to be conveyed through a tube and to the safety device fitted on the water inlet solenoid valve thus causing its mechanical lock such safety device is triggered also in the event of a power failure The air break also causes a signal to be sent to the machine control board necessary for the initial installation and for filling with water that anyway needs to be done manually If upon switching the machine on the float does not trigger the maximum level microswitch within a set time e g 60 sec the vending machine locks due to a water failure Air break level control microswitch Air break Overflow tube Water inlet solenoid tube Mains water inlet solenoid valve Back view without protective casing NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 11 5 3 1 5 The Colibri model is fitted with only one boiler of the pressure type used in both the Espresso
20. mixed solenoid valve assembly with two 2 way valves and one 3 way valve and Instant versions however this latter version is fitted with three 2 way valves The basic espresso boiler is the same used in the Brio Venezia etc but the application is different it is pre assembled as a functional unit on a support complete with all functions and easily removable For information on all other features refer to the functional unit manual ee all NTC Probe j Pressure boiler module Module screws i Back view of boiler detail Instant version boiler Using a complete block with three 2 way solenoid valves 1 For hot water 2 For instant prod 1 3 For instant prod 2 NOTE The difference between 2 way and 3 way solenoid valves is 1 2 way when activated it connects inlet first way with outlet Second way 2 3 way when first activated it connects inlet 1 with outlet 2 when deactivated it y 8 a closes the second way and 0 opens the third way Bipolar safety thermostat 2 3 way solenoid valve block E w 3 connected to the second way 3 Excess liquid from brewing is discharged through the third way NECTA SPA TECHNICAL MANUAL COLIBR Service Manual Colibri Edition 02 2002 12 25 The internal temperature control is by means of an NTC type electronic probe fitted with an internal 12K ohm 4 ohm resistance at a temperature of 25 C As the i
21. nternal temperature increases the resistance is reduced progressively as indicated in the following table Boiler temperature C Allowable tolerance a ee 4 PUMPS AND BY PASS The same pump used in the Brio is used to supply the boiler The difference being in the application as pump boiler and connections are positioned on an easy to remove bracket see photo this way full access is ensured for maintenance and hygiene The pump has overheating protection in case of continuous or dry operation by means of a 90 C self resetting klixon The by pass is factory pre set at 12 bars The pump is activated by relay K 14 Detail boiler module pump end NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 13 25 5 ESPRESSO COFFEE BREWER UNIT The well Known and reliable Z 2000 M unit is used but with some changes to make it more suitable and with simpler operation to take into account the Colibri characteristics The main differences between the coffee brewer and the standard Z 2000 unit are as follows 1 No unit detection microswitch This solution was adopted to make the wiring simpler and therefore eliminate the remote possibility of malfunctions due to false contacts 2 Using only one dead centre positioning microswitch More specifically the upper dead centre position microswitch was eliminated piston fully open and such position is determined by the SW that calculates the t
22. on 02 2002 4 5 2 ELECTRICAL SYSTEMS CONNECTIONS CONFIGURATIONS The machine is designed to operate under a single phase voltage of 230 V AC 5 10V It is protected with a main 10 A fuse on both phases With regard to the transformer The primary winding is protected with a 125 mA fuse The secondary winding is protected with a 1 25 mA fuse The machine is fitted with a door opening safety switch The power cable can be supplied as a standard feature and chosen among the following types HO5 RN F copper with a 3 x 1 5 mm section 05 V HOSVV F 7 Fitted with a fixed SCHUKO plug NOTE For UK there is a specific plug conforming to the standards in force which is adopted for that specific market In the event of replacement cables of exactly the same characteristics must be used Since the Colibri 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 2 1 ELECTRONIC BOARDS CONNECTIONS Electrical and board connections Back view without protective casing Push button wiring connector PSE el ane HEER i Power supply actuation board 3 o zl Ect Ba cable connector 1 MIE 7 9 1 1 ee aim at 3 Actuation relay EAn 8 PAESE z a
23. setting is automatic and after approximately 5 minutes it is reactivated but the cause of such trigger must be identified Failure to the microswitch replace with an identical one designed for the Colibri in the event of using a microswitch with different characteristics considerable discrepancies in the ground coffee doses may occur The machine is locked if after 10 minutes heating the set temperature is not reached Check for the correct operation of the heating element the thermostat the probe and of the actuation triac In the event of replacing the probe the correct temperature must be re adjusted using the trimmer If no cups were loaded when starting the machine the column rotation ratiomotor is activated to search for a full column and if no cups are found within a 60 sec time out indicated by the specific microswitch the machine is locked Excluding the fact of a real lack of cups the correct microswitch functioning must be checked and in the event of failure they must be replaced with identical characteristic microswitches If the ratiomotor is locked the correct actuation of relays K 21 and K 23 must be checked Check for the correct operation of the lower dead centre positioning microswitch Check that the unit stops correctly at the upper dead centre monitored via SW If not replace the EPROM programming may be necessary The water amount for both espresso coffee and instant drink selections is ensured
24. tainer shutter was not opened activated conveying coffee to the doser device the motor lock is activated by the microswitch which is triggered when the set dose is reached If such microswitch is not triggered the system disables all espresso coffee selections indicating the message No coffee on the display once identifying the cause Check the wear of the brushes Free the grinder wheels with the utmost care as blocked wheels could have triggered the overheating protection which is reset able Open the shutter add coffee After grinding and during the attempt of releasing the ground Failure to the release magnet coffee the doser device plate triggers a microswitch that Failure to the coffee dose microswitch lt 0 Failure to relay K 02 The boiler does not heat Dry operation protection system triggered No cups in the dispenser Microswitch failure The cup column does not rotate The espresso unit failed to reposition Failure to the lower dead centre positioning microswitch Failure to relay K 03 The coffee dose is not reached within 60 sec The volumetric counter in the Colibri Instant model is used to measure also the instant product doses NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 signals the coffee release If such microswitch is not triggered there could have been two causes Failure to the release magnet or overheating protection triggered re
25. thoroughly using specific hygiene products FIG 2 Remove the containers empty them completely and clean thoroughly FIG 3 Remove the liquid collection container and the grounds container empty and clean them FIG 4 Empty any residue from the coffee grinder and doser assembly clean thoroughly and rinse with a fresh clean sponge damped with hot water Remove the coffee dispensing assembly and clean thoroughly and rinse with a fresh clean sponge damp with hot water FIG 8 Remove the sugar dispensing spout and clean thoroughly FIG 6 Remove and clean the cup shift FIG 5 Remove and clean the dispensing spout assembly Disassemble completely the mixers and clean thoroughly FIG 7 Empty the powder collection containers located within the steam suction system and disinfect FIG 2 Reassemble all parts taking care not to touch with your hands any parts that comes into contact with food Close the door and make a few test selections Carry out an automatic mixer wash cycle according to the preset procedures Enter the operations carried out on the log NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 24 25 MONTHLY CLEANING AND HYGIENE OR EVERY 5000 SELECTIONS i In addition to the weekly operations also the following must be carried out Remove the brewer unit from the machine and disassemble then clean all residue and rinse
26. thoroughly with hot water check the filters for clogging and if necessary descale or replace them Reassemble all parts and slightly lubricate the piston o rings using food safe grease or replace them if even slightly damaged FIG 1 2 3 NB Any filter replacement or disassembly operations must be carried out at the workshop therefore it is advisable to replace the unit with one already serviced Disassemble the mixers completely clean and wash using sanitising products especially the powder removal areas disassemble completely the wheel and 1 check the state of the seal Fig 6 when reassembling do not touch with the bare FIG 4 hands Fig 5 6 Regenerate the water softener if installed using the special salt solution even if the softener efficiency test is still positive FIG 4 The softener filter can be contaminated easily and therefore regeneration ensures maximum hygiene During regeneration it is advisable to completely sanitise the hydraulic system and the water inlet solenoid valves Enter the operations carried out in the HACCP hygiene program log NECTA SPA TECHNICAL MANUAL COLIBRI Service Manual Colibri Edition 02 2002 25 25
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