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1. Manuals
2. Brands
3. Jofemar Manuals
4. Vending machines
5. Coffeemar G-250
6. Technical manual

• Page 1
  Coffeemar G-250 // Coffee English Coffeemar G-250 TECHNICAL MANUAL MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 1 OF 95…
• Page 2
  ◊ If you need to replace the power supply cable, please replace it with the appropriate one for your country: Argentina, Jofemar code 5500014. Australia, Jofemar code 5500006. Spain (STANDARD), Jofemar code 5500000. UK, Jofemar code 5500011. Switzerland, Jofemar code 5500004. USA, Jofemar code 5500010.

• Page 3: Table Of Contents

  Coffeemar G-250 // Coffee TABLE OF CONTENTS 1. Symbols ……………………4 2. Operating conditions ………………..4 3. Description of components ………………4 3.1. Main technical features………………5 3.1.1. Door ………………….6 3.1.2 Cabinet …………………. 8 3.2. Volume and weight ………………27 4.

• Page 4: Symbols

  This symbol indicates that a given material is recyclable. This symbol indicates that Jofemar is committed to the environment. 2. Operating conditions This device is not intended for outdoor use. . The machine leaves the factory adjusted to work properly at an ambient temperature between 5 °C and 32 °C (41 °F and 89.6 °F)

• Page 5: Main Technical Features

  Coffeemar G-250 // Coffee Open door safety switch Waste liquid tray Coin exit guide Coffee grounds outlet Cup support arm Floater Cup dispenser Waste liquid tank 3.1. Main technical features ► Automatic dispenser of freshly-made espresso coffee and soluble beverages. ►…

• Page 6: Door

  ► Telemetry-ready, including remote reading of audits, sales, incidents and changes in programming options. ► Sales accounting and control, as well as data output via RS-232-C. The machine can also be programmed via a Jofemar electronic terminal. ► Continuous operational self-testing ► LED-backlit advertising panel and product selection buttons.

• Page 7
  Coffeemar G-250 // Coffee Selection pushbutton panel At the top-left there is a sugar +/- pre-selection pushbutton ( ). At the same height, ▌ ▌ ▌ ▌ ▌ on the left, there is a coin return button (R) used to recover coins that have been inserted (if the user wishes to recover the amount that has previously been inserted).

• Page 8: Cabinet

  Coffeemar G-250 // Coffee Lighting The lighting system has two parts, one to light up the advertising panel and the other to light up the product selection buttons. The lighting system is and LED-based system that includes the following two features: Uniform lighting and low power consumption.

• Page 9
  Coffeemar G-250 // Coffee located at the back of the cabinet: the power assembly, the water inlet solenoid valve, the air-break, the soluble product distributor, the pressure boiler, the pressure pump and the volume counter. Cup dispenser assembly The cup dispensing assembly consists of a storage unit with 5, tube-shaped columns that have an internal diameter of 78 mm (3.071”).
• Page 10
  Coffeemar G-250 // Coffee 2. Once you have defined the cup in terms of its classification, choose the most appropriate cogwheel position. To do this, the cup dispenser assembly has 5 intermediate positions for the 2 mm (0.079”) distance between the largest and smallest diameter at 0.5 mm (0.020”) intervals.
• Page 11
  Coffeemar G-250 // Coffee Stir-stick container When a cup is dispensed, it falls into a collector that guides it to brewing position. Before water is dispensed from the boiler to the cup, the sugar and stir-stick have to be first added.
• Page 12
  Coffeemar G-250 // Coffee product to be dispensed into the cup closes. To prevent the sugar from caking on the container outlet, there is a steam exhaust to remove the steam produced when the end product is dispensed in the cup. The sugar dosing motor is powered by 24 Vdc and turns at 80 r.p.m.
• Page 13
  Coffeemar G-250 // Coffee Soluble product containers are placed on the left-hand side of VERY IMPORTANT: the cabinet and the coffee bean container on the right. They should be 1st fitted on the relevant dispenser motor and 2nd fixed in place by anchoring the front container flange n the holes at the base of the machine, applying a slight pressure frontally.
• Page 14
  Coffeemar G-250 // Coffee ► The dispensing motor of the container with the required soluble product starts. These are 24 Vdc motors turning at 80 r.p.m. which turn the worm that pushes the product through the elbow to the beater funnel. ►…
• Page 15
  Coffeemar G-250 // Coffee adjustment of the grinding wheels due to wear. You can also change the grind level through machine programming. The grinding wheels have a service life of about 35.000 servings. Note: A. Coffee mill assembly B. Upper grinding wheel position C.
• Page 16
  Coffeemar G-250 // Coffee Fig. 18 The range of this mechanism is 3 g (0.066 lb.) of coffee, which is the difference between the minimum quantity of coffee to be used (5 g – 0.011 lb) and the maximum quantity (8 g — 0,0176 lb), with a tolerance of ±0.5 g.
• Page 17
  Coffeemar G-250 // Coffee Brewing assembly This is the mechanism that pushes the water through the coffee. It uses a mechanical cam lever system driven by a 43 W motor, with a speed of 8 r.p.m and a power supply of 220 V and 50 Hz (110-125 Vac, 60 Hz) that follows the working cycle described below: 1.
• Page 18
  Coffeemar G-250 // Coffee When you have removed the brewing assembly for cleaning or other IMPORTANT: purposes, when you are going to put the assembly in place again you should place it so that the plate that joins the moving wheel and the infusion chamber so it can move coincides with the arrow that appear on the cover of the coffee assembly (this way, the cam that moves the assembly will coincide with the driving wheel).
• Page 19
  Coffeemar G-250 // Coffee BREWING ASSEMBLY 1. Top outlet assembly 2. Compressor piston clamp 3. Spring 4. Shaft 5. O-Ring 6. Lower shaft O-ring 7. Compressor piston support 8. O-Ring 9. Sprinkler 10. Screw 11. Trilobular screw 12. Brewing assembly 13.
• Page 20
  Coffeemar G-250 // Coffee 0.7 to 0.9 MPa (the machine is factory set to achieve this pressure level for a 7 g (0,0154 lb) puck). The assembly brews at constant minimum pressure above 0.7 MPa from the first Note: drop to the last. Boiler This is the tank that stores the hot water supplied to the coffee assembly and to the soluble product mixing beaters.
• Page 21
  Coffeemar G-250 // Coffee ► Should the temperature control system fail (memory loss, sensor failure, connection failure, etc.) the boiler heating element will heat the water without control and, therefore, the brass cover walls. To prevent the temperature from reaching dangerous levels, there is a bimetal bipolar thermostat affixed to the back of the boiler with two screws.
• Page 22
  Coffeemar G-250 // Coffee CONNECTIONS A. Boiler B. Pressure pump C. Heating element D. Klixon E. Temperature control F. Brewing assembly G. Distributor H. Espresso solenoid valve I. Soluble solenoid valve J. Waste liquid tank outlet Fig. 24 BOILER Mains water pressure 0.05 –…
• Page 23
  Coffeemar G-250 // Coffee Volume counter The function of the volume counter is to measure the amount of water coming in to identify the programmed serving amounts. Inside, it has a blade with two magnets inserted in it so that the water that enters the unit moves the blade and an integrated circuit on the lid detects that water is passing through and sends the information to the control card.
• Page 24
  Coffeemar G-250 // Coffee of water needed is very small (that corresponding to one sale) the water temperature in the boiler is allowed to experience very small fluctuations. The machine is programmed so that, should the air-break water level not appear to descend during consecutive sales totalling 200 cc of water, so no water is taken from mains, the machine will be put out of service (air-break floater stuck).
• Page 25
  Coffeemar G-250 // Coffee Compact (MDB) • MDB compact coin changer without coin return motor (see MDB manual). • Communications between machine and compact take place under an MDB protocol. The machine behaves as master unit while the compact acts as slave unit. When the machine is in service, the display shows the time.
• Page 26
  Coffeemar G-250 // Coffee Selector The coin selector is a premium validation device that can recognise up to 24 different coins or tokens. It has a coin separator coil that allows it to accept or reject coins. COIN AND TOKEN CHARACTERISTICS Thickness range Diameter range 1 mm to 3.2 mm…

• Page 27: Volume And Weight

  // Coffee 3.2. Volume and weight Dimensions Height (H) Width (W) Depth (F) Weight 1.500 mm 500 mm 561 mm 100 kg Coffeemar G-250 59.055” 19.685” 22.087” 220 lb Fig. 30 MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 27 OF 95…

• Page 28: Electrical And Electronic Specifications

  4. Electrical and electronic specifications The transformer is supplied with mains voltage (220 Vac) (110-125 Vac). Therefore, it should not be worked upon without unplugging the power supply cable from mains. Coffeemar G-250 220 ± 10% Vac 110 ± 10% Vac…

• Page 29: Initial Electrical Installation

  Coffeemar G-250 // Coffee 4.1. Initial electrical installation Prepare a 220-240 Vac, 50 Hz and 10 A (110-125 Vac, 60 Hz and 15 A), socket, protected with an automatic connection system. The socket should match the machine plug (European with ground connection). Follow all Low Voltage Installation Regulations and check that ground connection works properly once the machine has been installed.

• Page 30
  Coffeemar G-250 // Coffee ► It works in fixed mode with 8 characters for the name and 3 for the extension. Incomplete names or extensions of less than 3 characters may result in a faulty display of file names and/or extensions. ►…

• Page 31: Control Card

  Coffeemar G-250 // Coffee 4.3. Control card Communications with the compact and with the peripherals takes place under different protocols. CONTROL CARD CONNECTORS Fig. 33 A. RS-232 connection Ñ. Dispenser control B. Doser / Coffee assembly / Mill control O. Beater control C.

• Page 32: Electronics Assembly

  Coffeemar G-250 // Coffee 4.4. Electronics assembly The electronics assembly is located on the right-hand side at the bottom of the cabinet and includes the components shown in fig. 34. To remove the assembly from its location, remove the four screws of the front trim and the two screws that fix the support to the cabinet, and then remove the assembly.

• Page 33: Validator (Selector)

  Coffeemar G-250 // Coffee 4.5. Validator (selector) Its is supplied with 12 Vdc through a cable connected to the control card of the compact A. Coin inlet B. Rejected coins C. Accepted coins D. Switches E. 4-way recording connector F. CCTALK connector (optional) G.

• Page 34: Recovery Motor

  Coffeemar G-250 // Coffee 4.7. Recovery motor This is the component that allows you to recover a coin from the selector. It is clipped and screwed onto the compact support, together with he coin inlet guide. It has a 12 Vdc power supply through wiring connected to the control card.

• Page 35: Electrical Drawing

  Coffeemar G-250 // Coffee 4.8. Electrical drawing MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 35 OF 95…

• Page 36: Water Circuit

  Coffeemar G-250 // Coffee 4.9. Water circuit A. Water inlet solenoid valve J. Doser B. Air-break K. Coffee bean container C. Volume counter L. Soluble containers D. Pressure pump M. Beaters E. Pressure boiler N. Product delivery collector F. 3/2-way solenoid valves O.

• Page 37: Installation And Start-Up

  Coffeemar G-250 // Coffee 5. Installation and start-up. 5.1. Installation Do not install the machine near active heat sources (heaters, radiators, etc.). Leave a distance of at least 7 centimetres between the back of machine and the wall or other items.

• Page 38: Connection To Water Mains

  Before powering the machine, make sure that you have connected the machine to water mains and that the stopcock is open. Jofemar S. A. does not assume any liability should the above instructions not be Note: headed in whole or in part.

• Page 39: Filling The Water Circuit

  Coffeemar G-250 // Coffee It is advisable to install a stopcock in the water supply, outside the machine, in an Note: easily accessible location. For the connection to water supply network, a new hose must be used; never re-use old hoses.

• Page 40: Cup Loading

  Coffeemar G-250 // Coffee The machine will automatically carry out an internal check. It will first move the rotating arm to ensure it is working properly and then leave it in standby position. The coffee assembly cam position is also checked. The cam will move until it is in the correct position to begin the assembly’s operating cycle.

• Page 41: Stir-Stick Loading

  Coffeemar G-250 // Coffee cups classified terms abovementioned diameter and divided into: 65-67 mm 2.559”–2.638” Cups with a diameter 67-69 mm under top ring (W) 2.638”–2.717” 100-104 mm Cup height (H) 3.937”-4.094” Minimum height between 2 mm the rims of two adjacently 0.079”…

• Page 42
  Coffeemar G-250 // Coffee 4. Load more stir-stick bundles following the same procedure until the storage slide is full. 5. Replace the counterweight on the stir-sticks. Make sure stir-sticks are not bent or curved, have no flash and all are placed Note: horizontally.

• Page 43: Start-Up

  Coffeemar G-250 // Coffee 5.7. Start-up To ensure the machine works properly it is essential that VERY IMPORTANT: the first reloading of the compact should be carried out through address 25 (see compact manual), a minimum three coins should be loaded in each tube. Note: Every time the machine is connected to mains, it carries out an internal test, during which the display will show the following messages.

• Page 44: Product Selection

  Coffeemar G-250 // Coffee Then, in order to refill more comfortably, turn the cup and stir-stick dispensing assembly sugar container towards the left and the compact towards the right. Then lift the lids of the containers that you wish to reload and refill them from the top, taking care not to spill product and keep this area of the…

• Page 45: Updating The Machine Program

  Coffeemar G-250 // Coffee 5.11. Updating the machine program The control card of the machine has been designed to use flash technology. This allows you to update the program in the card without needing to remove any part of the machine, as this task can be done through a 180 degree 5 pin DIN connector in the RS- 232 port.

• Page 46: Machine Reset

  Coffeemar G-250 // Coffee 3. The first thing the program requests is the type of operation you wish to carry out. — Recording a program in flash memory. — Erasing the card’s flash memory. — Identifying the program recorded in a card. 4.

• Page 47: Machine Programming Mode

  This menu will be in standby status, shown on the display by rotating, in small intervals, the advertising message, the machine model, the time, the JOFEMAR web address. Press the product selection pushbutton panel and the display will show the price of the product .

• Page 48: Standby Menu With Credit (Working Status)

  Coffeemar G-250 // Coffee cases, the machine does not accept any coin nor is any sale allowed. The machine may be out of service because no connected motor has been detected (this may be because no channel has been connected to the machine or because the channel to control card connection cable is not connected) or because of a fault in the product detection system.

• Page 49: Programming Addresses (Main Menu)

  Coffeemar G-250 // Coffee To modify the content of programming addresses, use the machine selection Note: pushbuttons. These should be used in the order and in the way indicated below for each address. Access to programming Product selection / Go up an option Product selection / Go down an option…

• Page 50
  Coffeemar G-250 // Coffee PERSONAL MENU EMPTY The first time and as long as it is not modified, the option will appear empty. ______________________________________________________________________ The Operator Menu has the following options: MAIN MENU (201) OPERATOR MENU OPERATOR MENU OPERATOR MENU MONEY ACCOUNTING (003) MONEY ACCOUNTING This option allows you to view the different audits that the machine records as money.
• Page 51
  Coffeemar G-250 // Coffee OPERATOR MENU SALES BY PRODUCT (004) SALES PER PRODUCT This option allows you to view the sales that the machine records for each programmed product. allows you to see the following audits. When you are in DELETE PARTIAL FIGURES deletes the partial money audits.
• Page 52
  Coffeemar G-250 // Coffee SALES BY MACHINE TOTAL SALES In any other audit displays the value of MANEY SALES the selected audit SALES WITH CARD SALES WITH TOKENS FREE VEND SALES TOTAL: FREE SALES WITH CARD X.XX TEST MODE SALES LOST SALES OUT OF CHANGE PARTIAL: LOST SALES OUT OF PRODUCT…
• Page 53
  Coffeemar G-250 // Coffee OPERATOR MENU MACHINE ID NUMBER (050) MACHINE ID NUMBER In this option you program the machine ID number. MACHINE ID NO. 000000 displays the current number MACHINE ID NO. You can program a 6-digit number to be used on printer tickets, audits, communications etc.
• Page 54
  Coffeemar G-250 // Coffee MAIN MENU (200) TECHNICIAN MENU TECHNICAL MENU ______________________________________________________________________ TECHNICIAN MENU EVENT LOG REVIEW (024) EVENT LOG REVIEW This option serves to visually review the machine activity. enters option displays last stored event $0#L,3 &01:19-02:43:03 moves from one event to the next, finishing with LAST EVENT To be able to interpret the log, see the document “event log”.
• Page 55
  Coffeemar G-250 // Coffee using calls menu MAIN MENU CUSTOM MENU OPERATOR MENU TECHNICIAN MENU SALES MENU MACHINE MENU PERIPHERALS MENU SETTINGS MENU make your selection with COMMUNICATIONS MENU to include the option that you wish and record it. When you are in the option DELETE POSITION to move to in the option to be deleted removes it from the menu.
• Page 56
  Coffeemar G-250 // Coffee TECHNICIAN MENU OPTION PASSWORDS (023) PASSWORDS DE THE OPTIONS This option allows you to indicate which options are going to require entering a password to be able to access it. This option always appears but if it is protected, when you try to access it, the machine requests the access password.
• Page 57
  Coffeemar G-250 // Coffee replace the control card for technical reasons. The backup files use the “.bak” extension and only that extension is valid. You can carry out two actions: RESTORE BACKUP enters the screen CREATE BACKUP When you are in RESTORE BACKUP It displays the complete list of files on the pen drive (you cannot filter by name).
• Page 58
  Coffeemar G-250 // Coffee Keep to end the recording. When the machine detects it, it will stop sending data to the USB drive, although you have to wait for the pen drive to record all the data for the machine to detect the pulses again.
• Page 59
  Coffeemar G-250 // Coffee PRICES REVIEW changes to When you are in REVIEW PRICES PRESS SELECTION enters the screen displays following message seconds PRODUCT Y PRICE X.XX Where “Y” is the active product of that selection (see key/channel linking programming option”…
• Page 60
  Coffeemar G-250 // Coffee In this option you program whether the machine will allow money to be returned if there has been no purchase or if it is going to force a purchase before returning money. Remember that if the product requested by the customer is not available the machine must allow returns.
• Page 61
  Coffeemar G-250 // Coffee ______________________________________________________________________ In the machine menu you will find the following options: MAIN MENU (203) MACHINE MENU MACHINE MENU MACHINE MENU OPTIONS OF MAINTENANCE COFFE MACNINE CONFIGURATION CUP SUGAR SPOON OPTIONS Displays a submenu with the following options BUTTONS/CHANNEL LINKING MANUAL TEST COFFEE MACH.
• Page 62
  Coffeemar G-250 // Coffee ______________________________________________________________________ COFFEEMAKER DIAGNOSTICS DISPLAY IN DISPLAY (077) DISPLAY TEMPERATURE ENABLE DISABLE displays the following can enable or disable the display of the boiler temperature on the machine screen on standby, that is, if the option is enabled, when the door is closed, you can see the temperature in the lower, right-hand corner of the display.
• Page 63
  Coffeemar G-250 // Coffee Once the screen has been set records the values. exits without recording changes. ______________________________________________________________________ COFFEEMAKER DIAGNOSTICS MANUAL TEST COFFE MACHINE (065) MANUAL COFFEEMAKER OPERATION shows a list with all the devices that can be enabled manually. MANUAL COFFEEMAKER OPERATION DISPENSERS BEATERS…
• Page 64
  Coffeemar G-250 // Coffee A list is shown of the possible products that are programmed in the machine, to be able to adjust the doses press the desired product and the screen will show the different components SELECTION DOSE ADJUSTMENT ESPRESSO MILD ESPRESSO DECAFFEINATED…
• Page 65
  Coffeemar G-250 // Coffee can be modified. ______________________________________________________________________ COFFEEMAKER CONFIGURATION GRIND CONTROL OPTIONS (078) GRIND LEVEL CONTROL OPTION The display shows the options regarding the automatic control of the brewing pressure. GRIND LEVEL CONTROL OPTION AUTOMATIC PRESSURE CONTROL BREWING SPEED PROG. LAST AVG.
• Page 66
  Coffeemar G-250 // Coffee begins a process of the following type. ► Brewing a concentrated coffee. The display shows the measured brewing speed. A correlation is determined between the difference in target and measured speeds with the number of adjustments to carry out. Target vs.
• Page 67
  Coffeemar G-250 // Coffee displays a list with the 4 soluble dispensers in the machine. These dispensers are numbered from left to right beginning with the closest to the Note: coffee bean container, namely container number 1. on each one, a list is shown of the soluble products and the soluble currently in that container is selected.
• Page 68
  Coffeemar G-250 // Coffee ______________________________________________________________________ CUP/SUGAR/SPOON OPTION GENERAL INH. OF SPOON (082) DISABLE SPOON This removes the stir-stick from products dispensed without sugar, that is, by programming the value of the option as enabled, the products without sugar will also be served without a stir-stick.
• Page 69
  Coffeemar G-250 // Coffee PRESS SELECTION displays the following when you PRODUCT NO.: Z the following will be displayed PXX-MYY Where “Z” is the number of active product, “PXX” is the button linked to that product (there can be more than one) and “MYY” is the motor (there can be more than one). By progressively you can review all the products.
• Page 70
  Coffeemar G-250 // Coffee PERIPHERALS MENU COIN CHANGER OPTIONS Displays a submenu with the following options BILL READER MENU PERIPHERALS MENU COIN CHANGER OPTIONS (209) COIN CHANGER OPTIONS COIN CHANGER OPTIONS COIN INHIBITIONS RELOADING OF CHANGE TUBES UNLOADING OF CHANGE TUBES COIN MECH MODE and the following menu will be displayed ______________________________________________________________________…
• Page 71
  Coffeemar G-250 // Coffee ______________________________________________________________________ COIN CHANGER OPTIONS UNLOADING OF CHANGE TUBES (016) TUBE DISCHARGING DISCHARGE TUBES ► See Operator Menu. _____________________________________________________________________ COIN CHANGER OPTIONS COIN MECH MODE (0P6) COIN MECH MODE This function is for MDB coin mech that work in mode 2 or 3. J2000 work in mode 3 but there are old models of coin mech that need to work in mode 2.
• Page 72
  Coffeemar G-250 // Coffee The settings menu offers the following options: MAIN MENU (205) SETTINGS MENU SETTINGS MENU SETTINGS MENU TIME & DATE ADJUSTMENT (007) DATE AND TIME SET CURRENT TIME displays the following 11:30 CURRENT DATE passes from time to date 16-11-09 01 allows you to modify both the time and the date.
• Page 73
  Coffeemar G-250 // Coffee ______________________________________________________________________ SETTINGS MENU BEEP PROGRAMMING (010) BEEP PROGRAMMING In this option you program whether the beep should be heard when a key is pressed during programming or during a sale. BEEP WHEN PRESSED shows the current status changes de option.
• Page 74
  Coffeemar G-250 // Coffee SETTINGS MENU CURRENCY UNIT PROGRAMMING (012) CURRENCY PROGRAMMING In this option you can program the symbols or texts that accompany money displays. When you use the symbols “$” or “&” they are placed in front of the figure. When you use the symbol “€”…
• Page 75
  Coffeemar G-250 // Coffee ______________________________________________________________________ In the communications menu, no options are actually are available: MAIN MENU (206) COMMUNICATIONS MENU COMMUNICATIONS MENU 6. Troubleshooting The following table will help you diagnose the most common machine and compact failures. It describes a series of anomalies, their possible causes and the steps to take in solving them or in determining the cause of such failures before contacting our customer service.
• Page 76
  Coffeemar G-250 // Coffee ● The compact ● Prices not programmed ● Program prices . communicates properly and you can enter programming mode but no coin is accepted. ● The compact sends all ● Change is incorrectly ● Check coin values. coins to the vault.
• Page 77
  Coffeemar G-250 // Coffee are not accepted. programmed or return failure. ● Make sure change tubes have coins and are working properly. ● All coins are rejected. No ● Machine out of service ● Wait for the machine to sale is possible and the because the water circuit is finish filling the water display shows a message…
• Page 78
  Coffeemar G-250 // Coffee bottle and that the pump works properly. ● Machine out of service ● Empty the waste bin. If it because waste bin is full. is not full, check that the floater is properly positioned. ● Check the connections between the bin filling micro sensor and the control card.
• Page 79
  Coffeemar G-250 // Coffee INCORRECT SALE for all assembly. check that the coffee bean espresso coffee selection assembly positions itself but soluble products can be correctly. If not, the machine will beep and dispensed. display a coffee assembly fault for 15 s, showing a toffee assembly failure on the display during that time.
• Page 80
  Coffeemar G-250 // Coffee displayed. ● Check machine links are properly programmed. ● Re-program machine dosage. ● Jofemar communications ● Connect them properly. ● Nothing appears on the cables are incorrectly display, the external coin connected. return tube does not respond.

• Page 81: Annexes

  Fig. 47 Card reader • Jofemar Card Reader. It can be used for purchases with cards (normal or free), to recharge cards with credit, to program the machine and to get audits. Communications with the card reader take place via RS-232. When working with an MDB coin changer, the card reader is connected to one of the two RS-232 ports on the machine control card.

• Page 82
  EASYFLASH reprogramming device ● The main function of the “EASYFLASH” reprogramming device is to run applications that help manage the Jofemar product range. It is thus an independent, compact, manageable instrument that allows the user to carry out tasks such as reprogramming the software of the machines, reading audits, monitoring processes, storing information, etc.
• Page 83
  00 for YY. If this is not the case, please contact Jofemar Technical Support Service to obtain a stable version. Fig. 50 It comes with the following cables so it can be used with the full range of Jofemar devices: USB Device harness SUBD- USB Device harness…
• Page 84
  // Coffee For other types of products or special sizes please Note: contact your Jofemar distributor. Water inlet pump kit If the machine cannot be connected to water mains or the quality of available water is not appropriate, the machine can work independently with water supplied from a 25 litre bottle.
• Page 85
  It is advisable to use a water softener filter for water with a hardness level above 20 °f. The Jofemar coffee machines can be fitted with an optional ion exchange resin filter water softener. These filters are based on the capability of the resins inside the water softener bottle to exchange sodium (Na) ions with calcium and magnesium ions in the water.
• Page 86
  Coffeemar G-250 // Coffee They are pre-coated filters using active carbon dust to remove all impurities larger than 1 m, as well as undesirable flavours and smells. This results in a better quality product that also reduces health hazards and lengthens the working life of machine parts.

• Page 87: Cleaning And Maintenance

  Coffeemar G-250 // Coffee 8. Cleaning and Maintenance Cleaning the machine. To ensure the machine works properly at all times, we recommend that the following components be cleaned periodically: ►Fort he cleaning of machine parts in contact with food it is required the use of chlorinated prodcuts based in linear alkybenzene sulfonate (LAS) and [sulfatos de cadena ramificada (ABS)] ►…

• Page 88
  Coffeemar G-250 // Coffee Cleaning the selector The walls and ramps of the coin selector where coins circulate should be cleaned regularly (see fig. 58) with a soft brush and a moist cloth. Fig. 58 Cleaning beaters and water circuits Before the machine is put into operation, the coffee assembly, the beaters which mix the products and the water circuits need to be cleaned to ensure the product is sold in the most hygienic conditions.
• Page 89
  Coffeemar G-250 // Coffee ► Remove the beater and the beater exhaust funnel lid. To do this, grab both parts and pull upwards until they come out of the beater funnel. Then pull outwards until they are free (figure 60). 1.
• Page 90
  Coffeemar G-250 // Coffee Fig. 62 1. Paddle 2. Elbow support 3. Retainer. 4. Retainer support 5. Spinner Fig. 63 Follow the same procedure for each of the beaters on the machine. Prepare an appropriate container with a basic solution of chlorine-based detergents, which can be found in shops which sell pharmaceutical products.
• Page 91
  Coffeemar G-250 // Coffee ► Remove the Teflon tube used to bring water under pressure from the water boiler. To do this, just unscrew the brass nut that connects this tube to the brewing assembly (C). A. Assembly attachment piston B.
• Page 92
  Coffeemar G-250 // Coffee A. Position for replacing coffee assembly B. Position of motor cam Fig. 65 MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 92 OF 95…

• Page 93: Recycling

  To manage the equipment as waste once the client has decided to dispose of it, Jofemar has set up a collection system with an Integrated Management System. Please consult us for information about recycling.

• Page 94
  Coffeemar G-250 // Coffee NOTES: MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 94 OF 95…
• Page 95
  Coffeemar G-250 // Coffee Jofemar S.A. reserves the right to introduce improvements in this model arising from its continuous research without prior notice http:// www.jofemar.com MNP116M01GBV00 Date: 09/04/2013 Rev. 1 PAGE 95 OF 95…