VKI Technologies Eccellenza Express Service Manual
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VKI Technologies Eccellenza Express Service Manual

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See also: Operating Manual
Service Manual
Contact:
Customer Service – Service à la clientèle
800.567.2951
Technical Support – Soutiens technique
888.854.0207
VKI Publication # 100271-001
July 15, 2015

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Summary of Contents for VKI Technologies Eccellenza Express

  • Page 1 Service Manual Contact: Customer Service – Service à la clientèle 800.567.2951 Technical Support – Soutiens technique 888.854.0207 VKI Publication # 100271-001 July 15, 2015...
  • Page 2 Eccellenza Express – Service Manual July 15, 2015...

  • Page 3: Table Of Contents

    Eccellenza Express – Service Manual Table of Contents Safety Information ................5 Equipment Overview ................7 Rinse Cycles ..................8 Brewer Rinse Cycle ................8 Quick Brewer Rinse Cycle ..............9 Powder (Whipper) Rinse Cycle ............9 Maintenance ..................10 Daily ....................
  • Page 4 Eccellenza Express – Service Manual Table of Contents Replacing Main Power Components ........... 59 Fuse Holder (5 Amp or 15 Amp) ............59 Main Power Switch ................60 Service Cord ................... 61 Updating Firmware and Support Files ..........61 Installing the Coin Changer ............... 62 Install the changer housing skirt and levelers ........

  • Page 5: Safety Information

    Eccellenza Express – Service Manual Safety Information Your safety is very important to us. It is imperative that you read and understand this safety information before proceeding with the installation, operation or servicing of this coffee maker. This equipment must be used specifically for the purpose for which it is designed.
  • Page 6 Eccellenza Express – Service Manual Safety Information If the service cord is damaged, it must be replaced with a new service  cord that is available from your distributor or the manufacturer of this equipment. This equipment uses low voltage DC powered valves and motors. Do not ...

  • Page 7: Equipment Overview

    Eccellenza Express – Service Manual Equipment Overview Coffee Bean Hoppers LCD Display and Selection Buttons (Touch Screen) Front Door Lock Cup Stand and Grill Coffee Bean Coffee Bean Grinder Hoppers Powder Brewer Hoppers Whipper Interior Buttons Waste Bin Cup Stand...

  • Page 8: Rinse Cycles

    Eccellenza Express – Service Manual Rinse Cycles Brewer Rinse Cycle WARNING: Make sure the waste container is under the brewer spout to catch the water coming from the brewer (throughout the complete rinse cycle). 1. Add VKI approved brewer cleaner to the brew chamber.

  • Page 9: Quick Brewer Rinse Cycle

    Eccellenza Express – Service Manual Quick Brewer Rinse Cycle 1. Press the "R " button on the control panel inside the front door. INSE YCLE 2. Select the type of rinse cycle required. For a quick brewer rinse, press the "Quick Cof.

  • Page 10: Maintenance

    Eccellenza Express – Service Manual Maintenance To keep the Eccellenza Express running efficiently and at peak performance, the following maintenance procedures must be performed at their specified intervals. It is recommended that equipment maintenance be scheduled at a time that would be the least disruptive to your customers.

  • Page 11: Monthly

    Eccellenza Express – Service Manual Monthly ► Perform a Brewer Rinse Cycle – the full Brewer Rinse cycle requires the use of brewer cleaner to remove oils and stains from the brewer. ► Clean the Brewer Filter Screen – to minimize servicing time, replace...

  • Page 12: Sanitization - Milk System

    Eccellenza Express – Service Manual Sanitization – Milk System Should the Eccellenza Express milk system require sanitization, all of the following components must be removed and soaked in a sanitizing solution for 30 minutes. Drip tray & grill • Brewer spout •...

  • Page 13: Removing The Side Panels

    Eccellenza Express – Service Manual Removing the Side Panels 1. Open the front door. 2. Two screws secure each panel at the front of the machine. Remove the two screws securing the side panel that needs to be removed. 3. Pull the front of the panel outwards, and then towards the back to unlock it at the rear of the machine.

  • Page 14: Opening The Rear Service Panel

    Eccellenza Express – Service Manual Opening the Rear Service Panel 1. Switch the machine power OFF and disconnect the service cord from the wall outlet. 2. Turn the machine so that you have access to the rear panel. 3. Remove the two screws.

  • Page 15: Removing The Top Cover

    Eccellenza Express – Service Manual Removing the Top Cover 1. Switch the machine power OFF and disconnect the service cord from the wall outlet. 2. Unlock the bean hopper cover and remove it. 3. Remove the individual hopper lids. 4. Remove the two screws securing the top cover at the front, and remove the two screws securing the top cover at the rear.

  • Page 16: Replacing The Spout Support Bracket

    Eccellenza Express – Service Manual Replacing the Spout Support Bracket 1. Open the front door of the machine, and remove the waste bin. 2. Disconnect the hose from the brewer, and disconnect the powder and hot water hoses from the spout support.
  • Page 17 Eccellenza Express – Service Manual 4. To re-install the spout support bracket, insert the bottom of the bracket into the slit on the front of the base. 5. While lifting the brewer, tilt the spout bracket upwards and to the back until it clears the brewer spout.

  • Page 18: Replacing The Brewer

    Eccellenza Express – Service Manual Replacing the Brewer Removing the Brewer 1. Remove the spout bracket support (see page 2. Press down on the brewer release latch and pull the top of the brewer forward to release it. You may need to lift it slightly to clear the two bottom brewer guides.

  • Page 19: Installing The Brewer

    Eccellenza Express – Service Manual Installing the Brewer 4. Make certain that the brewer pin is properly aligned with the brewer motor coupling. If it’s not aligned, use the optional brewer crank tool to adjust the brewer pin. 5. Sit the brewer onto the two lower guides.

  • Page 20: Draining The Water Tank

    1. Remove the right side panel (see page 2. The end of the Eccellenza Express drain hose is equipped with a plastic valve. Remove the drain hose and valve fitting from the inner wall of the machine. It is secured in place by a large clip.

  • Page 21: Replacing The Brewer Motor

    Eccellenza Express – Service Manual Replacing the Brewer Motor 1. Remove the brewer from the machine (see page 2. Remove the right side panel (see page 3. Remove the four screws securing the brewer bracket assembly to the machine. 4. Disconnect the wiring from the brewer motor, the home switch and ground terminal.
  • Page 22 Eccellenza Express – Service Manual 5. The brewer motor and bracket assembly can now be removed from the machine. 6. Remove the four screws securing the brewer motor to its mounting plate. 7. Remove the brewer switch plate assembly from the brewer motor by removing the three mounting screws.

  • Page 23: Replacing A Coffee Bean Hopper

    Eccellenza Express – Service Manual Replacing a Coffee Bean Hopper The following instructions will guide you through the process of removing either of the coffee bean hoppers from the Eccellenza Express. 1. Remove the top cover (see page 2. Remove the two screws securing the bean chute cover to the top of the machine, and lift the cover to remove it.

  • Page 24: Replacing A Coffee Bean Dispenser Motor

    Eccellenza Express – Service Manual Replacing a Coffee Bean Dispenser Motor The following instructions will guide you through the process of removing any of the coffee bean dispenser motors in the Eccellenza Express. 1. Remove the top cover (see page 2.

  • Page 25: Replacing A Powder Dispenser

    Eccellenza Express – Service Manual Replacing a Powder Dispenser 1. Remove the retaining bracket at the front of the two dispensers by pulling on the right-hand side of the bracket. The left side of the bracket locks into the wall, whereas the right side of the bracket clips in place.
  • Page 26 Eccellenza Express – Service Manual 4. Lower the front of the dispenser and lock it in place – a pin at the bottom of the dispenser must enter a hole in the dispenser base, locking it in place. 5. Install the retaining plate to secure the hoppers in place. Lock the left side into the slot on the wall, and push the right side onto the hopper support until it clips in place.

  • Page 27: Replacing A Powder Dispenser Motor

    Eccellenza Express – Service Manual Replacing a Powder Dispenser Motor 1. Open the front door and remove the powder dispensers (see page 2. Remove the three screws securing the motor cover, and then remove the cover. 3. Remove the two screws securing the motor that requires replacing.
  • Page 28 Eccellenza Express – Service Manual 5. Disconnect the power wires (inline connector) from the motor that needs to be replaced. To install the replacement powder dispenser motor, follow these same instructions in the reverse order. July 15, 2015...

  • Page 29: Replacing The Power Supply

    Eccellenza Express – Service Manual Replacing the Power Supply 1. Switch the machine power off and disconnect the service cord. 2. Remove the right side panel (see page 3. Open the rear service panel (see page 4. Remove the plastic protector caps from the two terminal blocks on the power supply.
  • Page 30 Eccellenza Express – Service Manual 6. From the inside of the machine (just behind the dual outlet valve manifold), loosen the three screws that secure the power supply to the rear wall of the machine. 7. Lift the power supply until the screws are clear of the keyhole slots, and remove the power supply.
  • Page 31 Eccellenza Express – Service Manual 11. Connect the four wires to the upper terminal block. With the four screws loosened on the terminal block at the top of the power supply, insert the wiring terminals under their respective screws and tighten the screws to secure the terminals in place.

  • Page 32: Replacing The Control/Options Boards

    Eccellenza Express – Service Manual Replacing the Control/Options Boards 1. Switch the machine power off and disconnect the service cord. 2. Open the rear service panel (see page 3. Disconnect all of the wiring harness connectors from the control board / options board assembly.
  • Page 33 Eccellenza Express – Service Manual 5. Align the tabs on the new control board / options board assembly with the tabs on the board support bracket, and push down on the board assembly to lock it in place. 6. Reconnect all of the wiring harness connectors to the control board / options board assembly, including the ground wires to the tab on the control board heat sink.

  • Page 34: Replacing The Expansion Board And Lcd Display & Touch Panel

    Eccellenza Express – Service Manual Replacing the Expansion Board and LCD Display & Touch Panel The following procedure will guide you through the process of replacing the LCD display and the touch panel. 1. Open the front door of the machine.

  • Page 35: Expansion Board

    Eccellenza Express – Service Manual Expansion Board 3. To remove the expansion board: a. Disconnect all of the wiring connectors from the expansion board. b. Remove the screws securing the expansion board to the door. 4. To install the expansion board: a.

  • Page 36: Lcd Display And Touch Panel

    Eccellenza Express – Service Manual LCD Display and Touch Panel CAUTION: Use caution when handling the LCD display and the touch panel as both of these assemblies contain glass and are very fragile. 5. To remove the LCD display and touch panel: a.
  • Page 37 Eccellenza Express – Service Manual b. While holding the touch panel in position, place the LCD display over the touch panel, and secure the bottom of the display using two screws. Make certain that the touch panel stays positioned between the display and the door while installing the two screws.

  • Page 38: Replacing The Temperature Probe

    Eccellenza Express – Service Manual Replacing the Temperature Probe 1. Switch the machine power off and turn off the water supply. 2. Drain the water tank. 3. Remove the top cover (see page 4. Remove the coffee bean hoppers (see page 5.
  • Page 39 Eccellenza Express – Service Manual 9. Disconnect the temperature probe wiring. a) The inline connector for the temperature probe is located at the rear of the machine, above the power supply. b) Once disconnected, pull the inline connector (on the probe harness) through the channel in the corner above the power supply.

  • Page 40: Replacing The Outlet Valves

    3. Drain the water tank (see page NOTE: The Eccellenza Express is equipped with a single outlet valve on the right side (for the coffee) and a dual outlet valve manifold on the left side (two stacked outlet valves in one assembly - one for the powder and one for hot 4.
  • Page 41 Eccellenza Express – Service Manual 6. Disconnect the outlet hose for the valve to be replaced. In the case of the valve manifold, disconnect both of the outlet hoses. 7. Disconnect the wiring for the valve to be replaced. In the case of the valve manifold, disconnect both sets of wires.

  • Page 42: Replacing The Water Tank

    Eccellenza Express – Service Manual Replacing the Water Tank 1. Switch off the power to the machine, and unplug the service cord. 2. Remove the side panels (see page 3. Drain the water tank (see page 4. Remove the top cover (see page 5.

  • Page 43: Removing The Heater Element

    Eccellenza Express – Service Manual 11. Remove the Oetiker circle clamp and disconnect the inlet hose from the inlet fitting at the bottom of the water tank. 12. Lift the water tank up and out the top of the machine.

  • Page 44: Disassembling The Dual Valve Manifold

    Eccellenza Express – Service Manual Disassembling the Dual Valve Manifold 1. Remove the two black clips (top and bottom center clips) securing the two valves together, and gently pull the two valves apart. 2. Remove the two clips securing the valve end cap to the valve body and gently remove the end cap.

  • Page 45: Disassembling An Outlet Valve

    Eccellenza Express – Service Manual Disassembling an Outlet Valve Overview of Outlet Valve Components Breather Tube O-Ring Diaphragm Plunger Housing Hex Nut & Washer Coil Plunger Valve Body - Outlet Spacer Valve Body - Main Plunger Spring 1. Remove the breather tube from the valve.
  • Page 46 Eccellenza Express – Service Manual 4. On the main valve body, twist the ground tab clockwise to free the plunger housing, and pull it away from the main valve body. This exposes the plunger and assembly. Be careful not to lose the small spring inserted into the end of the plunger.

  • Page 47: Replacing The Inlet Valve

    Eccellenza Express – Service Manual Replacing the Inlet Valve NOTE: The inlet valve consists of an assembly of hoses, fittings and a backflow prevention valve secured together by Oetiker (circle) clamps. To replace any component on this assembly, existing clamps will need to be broken using cutters.
  • Page 48 Eccellenza Express – Service Manual 8. Secure the tubing assembly to the new inlet valve with a new circle clamp (Oetiker). 9. Reconnect the power wires to the valve. 10. Re-connect the water supply to the inlet valve. 11. Switch the machine power on – the inlet valve will open and the water tank will start filling.

  • Page 49: Replacing The Bean Grinder

    Eccellenza Express – Service Manual Replacing the Bean Grinder 1. Switch the machine power off and unplug the service cord. 2. Remove the left side panel (see page 3. Remove the top cover (see page 4. Remove the left bean hopper (see page 5.
  • Page 50 Eccellenza Express – Service Manual 7. Insert a Philips screwdriver through the access holes at the top of the machine and remove the four mounting screws for the grinder. 8. The grinder can now be removed. To re-install the bean grinder, simply follow these same instructions in the reverse order.

  • Page 51: Replacing The Whipper Motor

    Eccellenza Express – Service Manual Replacing the Whipper Motor NOTE: Replace the impeller if it has been removed and re-installed multiple times as it may become loose on the whipper shaft and fall off during operation. 1. With the machine power switched off, remove the left side panel (see page 2.
  • Page 52 Eccellenza Express – Service Manual 3. Remove the steam trap from the whipper chamber, and disconnect the outlet hose. 4. Turn the small handle on the locking ring (on the whipper base) to the right until it stops. This unlocks the whipper chamber from the whipper base, allowing it to be pulled off.
  • Page 53 Eccellenza Express – Service Manual 6. While pressing down on the locking clip at the front of the base, press down on the clip at the rear of the base, and push it out through the front of the wall.
  • Page 54 Eccellenza Express – Service Manual 11. Install the steam trap (vacuum cap) onto the whipper chamber. 12. Connect the inline wiring connector that supplies power to the whipper motor. 13. Re-connect the whipper outlet hose. 14. Re-install the machine left side panel.

  • Page 55: Cleaning The Vacuum Duct (Powder System)

    Eccellenza Express – Service Manual Cleaning the Vacuum Duct (Powder System) 1. Swing open the powder dispenser bracket. 2. Remove the steam trap and the whipper bowl from the whipper assembly (see page 3. Pull out the vacuum duct. 4. Separate the two vacuum duct parts and thoroughly clean and dry them.

  • Page 56: Replacing The Whipper Vacuum Fan

    Eccellenza Express – Service Manual Replacing the Whipper Vacuum Fan 1. With the machine power switched off, remove the left side panel (see page 2. Remove the brewer (see page 3. Disconnect the wiring to the fan, and remove the vacuum tube connected to the top of the fan.
  • Page 57 Eccellenza Express – Service Manual 6. Slide the new ratchet fastener through the holes on the inside of the machine (the wall at the left of the brewer area). 7. While maintaining pressure on the ratchet fastener on the inner wall of the machine, slide the fan onto the fastener from the outer wall, and press it onto the fastener until it is secure.

  • Page 58: Replacing The Exhaust Fan

    Eccellenza Express – Service Manual Replacing the Exhaust Fan 1. With the machine power switched off, open the rear service panel (see page 2. Remove the exhaust fan cover by prying it off – it is clipped directly onto the fan.

  • Page 59: Replacing Main Power Components

    (see page Fuse Holder (5 Amp or 15 Amp) Both of the fuse holders are located at the top rear of the Eccellenza Express. To replace either of the fuse holders: 1. Disconnect the wiring from the fuse holder.

  • Page 60: Main Power Switch

    Eccellenza Express – Service Manual Main Power Switch 1. Compress the clips on each side of the switch, and push it out through the opening at the bottom rear of the machine. 2. Disconnect the wiring from the main power switch.

  • Page 61: Service Cord

    Eccellenza Express – Service Manual Service Cord 1. Disconnect the service cord’s black and white wires from the main power switch. 2. Disconnect the green wire from the ground terminal. 3. Compress and remove the strain relief securing the service cord to the bottom of the machine, and remove the service cord.

  • Page 62: Installing The Coin Changer

    Eccellenza Express – Service Manual Installing the Coin Changer The Eccellenza Express uses the “MDB–Level 3” protocol to communicate with a compatible coin changer. Although several coin changer models are available with this protocol from different manufacturers, VKI has thoroughly tested and validated ONLY the following coin changer units for...

  • Page 63: Install The Coin Changer Housing

    Eccellenza Express – Service Manual Install the coin changer housing 1. With the machine power switched off, remove the machine’s right side panel. The original right side panel is no longer required as the coin changer housing replaces it. 2. Locate the changer harness in the machine (clipped at the bottom of the machine).

  • Page 64: Install The Coin Changer Assembly

    Eccellenza Express – Service Manual Install the coin changer assembly 1. Unlock the coin changer housing and pull the door open. 2. Loosen the three mounting screws on the inner wall of the housing. 3. Slide the coin changer over the three screws (there are three keyhole slots at the rear of the changer) and push down on it, making sure all three screws are inserted into the slot.

  • Page 65: Test The Machine And The Coin Changer System

    5. Connect the coin changer wiring to the small board-mounted connector in the changer housing. 6. Close and lock the door of the coin changer housing. NOTE: The coin changers used in the Eccellenza Express (Coinco Guardian 6000 ® ™...

  • Page 66: Installing The Printer System

    Eccellenza Express – Service Manual Installing the Printer System Installing the Printer and Housing   Connect the printer to the interface cable located beneath With the machine power switched OFF, the water tank. remove the dispenser cover, top cover and the right side panel.

  • Page 67: Printer Buttons

    Eccellenza Express – Service Manual   Enable the Printer: Set the Clock: ⇒ Enter the “Set-Up” Mode ⇒ Switch the machine power on and ⇒ Select the “Set Interface” menu make sure it is in Vending (Coin) ⇒ Select “Set Clock”...

  • Page 68: Installing The Printer Paper Roll

    Eccellenza Express – Service Manual Installing the Printer Paper Roll Thermal printer paper is required – available at office supply retailers (not available from VKI)  For correct paper loading (automatic or manual), cut the paper at the beginning of the roll according to the following recommendations.

  • Page 69: Automatic Paper Loading

    Eccellenza Express – Service Manual Automatic Paper Loading   Paper roll not shown to clarify illustration With the machine power on and the printer power To properly align the paper with the printer guides, >> press the “Paper Feed” (...

  • Page 70: Printer Status Led

    Eccellenza Express – Service Manual   Lower the head-up lever to lower the print head To properly align the paper with the printer guides, >> press the “Paper Feed” ( ) button to feed a few onto the paper. Press the ON/OFF line (II) button centimeters of paper through the printer - this is done to switch on the printer.

  • Page 71: Replacing The Printer Module

    Eccellenza Express – Service Manual Replacing the Printer Module 1. Open the printer housing door and remove the printer paper roll from the printer unit. 2. Remove the printer housing back panel to expose the wiring harness. To create slack in the wiring, the harness must be unsecured from the housing wall by lifting it up and out of the notch in the metal.
  • Page 72 Eccellenza Express – Service Manual 3. Remove the printer lock plate by removing the plastic wing nut that secures it and sliding the plate towards the top of the printer door. 4. Lift the printer off the door and rotate it slightly. Disconnect the two wiring connections at the rear of the printer.
  • Page 73 Eccellenza Express – Service Manual 5. Connect the two wiring connections to the rear of the new printer, and properly position the printer onto the door. 6. Place the printer lock plate onto the printer door and slide it down over the edges of the printer, making sure it locks into the metal at the bottom of the door to secure the printer in position.

  • Page 74: Error Messages

    Eccellenza Express – Service Manual Error Messages MESSAGE DISPLAYED CAUSE POSSIBLE REMEDIES • Verify the brewer motor wiring. • The brewer may be jammed. Repair or An error has been detected Brewer Error replace the brewer. with the brewer. • The brewer motor may be jammed.
  • Page 75 Eccellenza Express – Service Manual MESSAGE DISPLAYED CAUSE POSSIBLE REMEDIES • The Factory settings file you are The version of Factory attempting to load is not the correct version Factory Settings Version Settings is not compatible for the firmware in the machine. Load the Error with the machine model.
  • Page 76 Eccellenza Express – Service Manual MESSAGE DISPLAYED CAUSE POSSIBLE REMEDIES The printer wiring is not • Connect the wiring to the printer module. Printer Error connected. • Press the ON/OFF line button (power) The printer is connected but Printer Offline it is offline.

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