WMF bistro! 8400 Series User Manual
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coffee wakes up the world

User Manual

Espresso machine

North America English
04.04.001
Model Series 8400 33 2413 0900 01.2010

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Summary of Contents for WMF bistro! 8400 Series

  • Page 1: User Manual

    coffee wakes up the world User Manual Espresso machine North America English 04.04.001 Model Series 8400 33 2413 0900 01.2010...
  • Page 2: Safety Warnings

    Avoid risk of electrocution: when replacing the fuse, disconnect main power and only use fuse F4A. Do not remove cover. No user-serviceable parts inside. Repair should be done by authorized service personnel only. User manual WMF bistro!
  • Page 3: Safety Warning Signs

    Risk of fire or electric shock. Do not open. WARNING, to reduce the risk of fire or electric shock, do not remove cover (or back), no user-serviceable parts inside, repair should be done by authorized service personnel only. (33 1453 5000) User manual WMF bistro!
  • Page 4 Introduction and General Information congratulations on the purchase of your WMF espresso machine The WMF bistro! espresso machine is a fully automatic caUtioN single cup machine for espresso, café crème, cappuccino, read and milk coffee, latte macchiato, foamed milk and hot water.
  • Page 5: Table Of Contents

    WMF Cooler, WMF Cup&Cool (optional) . . . . . . . . . . . . . . . . . .
  • Page 6 Waiter accounting system (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 User manual WMF bistro!
  • Page 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 appendix a: cleaning instruction appendix B: technical data technical data for espresso machine conditions for usage and installation appendix c: accessories and spare parts index User manual WMF bistro!
  • Page 8: Chapter 1 Introduction

    Introduction and General Information chapter 1 introduction Parts of the espresso machine Display for self-service operation User manual WMF bistro!
  • Page 9 Coffee grounds container Removable drip tray with drip plate (drip grid) Warm rinse pad Barista pad Timer and clock display Info pad Messages / error messages Menu pad (opens main menu) Standard allocation Alternative button allocation User manual WMF bistro!
  • Page 10: Signs And Symbols Used In The User Manual

    If the menu symbol is shown in this user manual the description starts at the start position. call up the main menu Touch the ™ The main menu is displayed. There are other display options Main menu. Main menu User manual WMF bistro!
  • Page 11: Glossary

    Preinfusion Prior to brewing, coffee is briefly infused in order to ensure a more intense release of its aromatic substances. Pressing Automatic pressing of coffee grounds prior to brewing Rinsing Intermediate cleansing SB mode Self-service User manual WMF bistro!
  • Page 12: Chapter 2 Operation

    ™ maximum of 12 times the single The display shows the current preselection and the number beverage is possible. of beverages begun. The multiple preselection for dispensing larger quantities, for example for a pot of coffee. User manual WMF bistro!
  • Page 13: Dispense Hot Water

    Dispense milk or milk foam Dispensing options ™ Press the beverage button assigned to milk or milk foam w Button allocation w Settings Dispensing occurs according to the dispensing option page 34 which was set. Free-flow, Start-Stop or metered User manual WMF bistro!
  • Page 14: Connect Up The Milk

    The hose must not be under tension or bent when adjusting the height of the combi spout. 2.7.2 WMF cooler, WMF cup&cool (optional) Pull out the milk container ™ Push the cover of the milk container back ™...
  • Page 15: Warm Beverages

    Steam manually foams milk Warm beverages A Cromargan® jug, such as ™ Use as tall and slim a Cromargan® jug as possible, with WMF order code 06 3417 6040 handle Fill jug to no more than half way ™ ™ Immerse steam nozzle deeply into jug...
  • Page 16: Steam Milk (Optional) / Dual Milk (Optional)

    Wipe steam outlet with a damp cloth ™ override function (optional) Function is adjusted upon request by WMF Service. Milk and foam can boil over if the temperature is set to caUtioN 194 °F (90 °C), or when the override function is used.
  • Page 17: Height Adjustment Of The Combi Spout

    Close manual insert lid ™ Select the desired beverage ™ Only put in the coffee grounds or cleaning tablet after NoticE instructions to do so are shown on the display. Follow the instructions beside. See chapter 9.5: Warranty. User manual WMF bistro!
  • Page 18: Coffee Grounds Container

    Clean coffee grounds chute daily w Care the machine is placed on. The spent coffee grounds are collected in a large reservoir under the counter. User manual WMF bistro!
  • Page 19: Drip Tray

    Software w Settings w Operating options page 37 If this is not observed, the warranty is invalidated in the NoticE event of any resultant damage. allways follow procedures when switch off machine. See chapter 9.5: Warranty. User manual WMF bistro!
  • Page 20: Chapter 3 Software

    37 Barista (strength of the coffee) Chapter 3.2.3 Information Chapter 3.2.4 Main menu Chapter 3.2.5 Error message Touching the pad calls up the error message. Care message Touching the pad leads directly into the menu. User manual WMF bistro!
  • Page 21 Starting or confirming a step Back to the higher menu level Abort / leave without saving (Exit) Clear or reset Start test brew grounds check Increase and reduce settings values Forward or back one step in listings User manual WMF bistro!
  • Page 22: Ready To Operate Display

    ™ Touch the Barista pad weaker (-15 %) The coffee strength will be altered once for the next brew. normal, as per setting stronger (+15 %) Barista pad (active / inactive) w Settings w Operating options page 37 User manual WMF bistro!
  • Page 23: Information

    Brew time of last beverage dispensed Journal • List of recorded errors and messages. (for the telephone support team) timer • Display of the timer status (On / Off) • Display of the next switching time User manual WMF bistro!
  • Page 24: To Main Menu

    The milk foam quality is set here. This setting will apply to all beverages with milk foam. Reduce setting value -> finer Increase setting value -> coarser Steam Milk settings w Software w Recipes page 31 User manual WMF bistro!
  • Page 25: Latte Macchiato Pause Interval

    Timer overview • Timer delete • Timer info timer state ™ Touch the Activate / deactivate timer = On / Off. When the timer is activated, the timer symbol, a little clock, appears on the display. User manual WMF bistro!
  • Page 26: Set Timer

    Up to 16 switch times (events) per day are possible. Programmed times are listed chronologically. Any new switch time is sorted chronologically immediately upon input and confirmation with Touch on the pad directly accesses the timer overview. User manual WMF bistro!
  • Page 27: Copy Day

    Checking the programmed switch times: Touch the ™ Example: The week overview is displayed graphically. Operating times are indicated by bars. Timer events Monday to Friday (1-5). On time 7 a.m. (7:00) Off time 6 p.m. (18:00) User manual WMF bistro!
  • Page 28: Delete Timer

    The day is deleted with all its timer events. Besides individual days, “all workdays” or the entire week can also be deleted. timer information Touching the pad calls up a display with the next swith time and the timer state (On / Off). User manual WMF bistro!
  • Page 29: Customer Care

    During milk system cleaning the milk system is flushed out using clear water. Using the option Plug&Clean the milk system cleaning is executed automatically. Milk system rinsing is performed automatically by the caUtioN cleaning program. irritation and scald hazard. See chapter 9.1: Safety. User manual WMF bistro!
  • Page 30: Choc System (Mixer Rinsing) (Optional)

    See chapter 9.1: Safety. Filter change (optional) This point can be selected by trained personnel if the function WMF Service has been enabled. Question: Was the filter changed? Yes / No customer check-up (optional) This point can be selected by trained personnel if the function WMF Service has been enabled.
  • Page 31: Settings

    The values are not saved yet. Save setting Save with ™ cup volumes Cup volumes are matched to the cups used. Individual beverage ingredients are matched to the new cup volumes with no effect on composition and quality. User manual WMF bistro!
  • Page 32: Change Recipes

    The brewing temperature can be set to obtain an optimal coffee taste. For each beverage button separately, up to 2 stages higher and up to 2 stages lower. 1 stage represents about 35.6 °F (2 °C). (Default value is 201.2 °F / 94 °C) User manual WMF bistro!
  • Page 33: Set Decaf (Optional)

    Touch ™ Press “Decaf” button ™ Ground coffee quantity for decaf is set by percentage for the ground coffee quantity set in the recipe. This setting applies to all preselected “Decaf” coffee beverages. Save with ™ User manual WMF bistro!
  • Page 34: Sequence Of Ingredients Additions

    ™ * When dispensing milk and milk foam through the combi spout. Select grinder for a coffee beverage Press beverage button ™ Select recipe, for example espresso ™ Select grinder (on the right or left) ™ User manual WMF bistro!
  • Page 35: Testing

    Display contrast Set the display contrast here. (Default value is 70) Scale filter Query regarding whether the WMF Service is enabled. Set here whether a scale filter is fitted or not. This affects the descaling intervals. User manual WMF bistro!
  • Page 36: Capacity

    (The scale filter capacity can be found in the scale filter Setting the scale filter and documentation.) capacity; only possible if enabled by the WMF Service team. Warm-up rinsing Whether the espresso machine should rinse out the brewing unit with hot water after heating up is set here.
  • Page 37: Operating Options

    PIN rights access control Recommendation for self-service: delayed page 38 Default: immediately illumination (optional) Set the colour values here of the LEDs for the desired illumination colour. Example settings green blue permanent colour change amber blue User manual WMF bistro!
  • Page 38: Enter Pin

    PIN access at the Accounting level. Setting level On entering the valid PIN access to: Set milk and foam quality (for all beverages) Timer program Setting level access Customer care PIN-protected ON / OFF button Settings (beverage, general, others) User manual WMF bistro!
  • Page 39: Accounting Level

    PIN-protected. Delete PiN Entering 0000 will delete access control for the given level. = more Deletion of one level automatically deletes the subordinate = less levels. = leave without change = save the values = delete User manual WMF bistro!
  • Page 40: Accounting Numbers Of Beverages

    PIN to prevent unauthorized access. Function over additional PIN (setting by service personnel): Only possible to view the day counter, not to delete it. 3.3.8 Waiter accounting system (optional) See additional user manual. User manual WMF bistro!
  • Page 41: Chapter 4 Other Settings

    First switch off espresso machine in order not to trigger dispensing inadvertently. Pull out existing labelling behind front glass in a ™ downward direction Write on label stickers as desired using the WMF ™ template Stick on label mount and re-insert behind the front ™...
  • Page 42: Chapter 5 Care

    Ensure that mixer hose is replaced securely because hot liquid may escape. Never reach under the spouts while cleaning the machine. Before cleaning the front panel, switch off the machine to avoid a hot beverage being acciden- tally dispensed. User manual WMF bistro!
  • Page 43 Bean hopper(s) cleaning Choc hopper cleaning* Daily = Daily, at least once daily and as required Weekly = Weekly cleaning Regularly = Regularly as required Required = As required = Daily as required = Optional (according to model) User manual WMF bistro!
  • Page 44: Cleaning Program

    Cleaning of the combi spout consists of three parts. • Automatic foamer rinsing after each beverage with milk or milk foam • Display guided milk system rinsing once per day • , lay combi spout, milk hose and milk nozzles in a cleaning solution User manual WMF bistro!
  • Page 45: Plug&Clean

    (grounds chute, optional) Empty the coffee grounds container and rinse under ™ Order numbers for the WMF care running water program Clean with a clean, damp cloth w Appendix C ™...
  • Page 46: Choc Mixer Cleaning (Optional)

    Replace the coffee grounds container ™ Ensure that mixer hose is replaced securely. caUtioN This is important as otherwise, during the next dispensing, Scald hazard. hot water or hot Choc may escape. Hot liquids. Ensure mixer hose is replaced securely. User manual WMF bistro!
  • Page 47: Steam Milk Outlet Cleaning (Standard And Steam Milk)

    Remove bean hopper cover ™ NoticE Remove inserted foils upwards ™ ™ Clean thoroughly using a moist, non-woven cloth Follow the instructions beside. Allow the foils to dry completely ™ See chapter 9.5: Warranty. Insert foil again ™ User manual WMF bistro!
  • Page 48: Cleaning The Choc Product Hopper (Optional)

    Re-assemble and insert the dosing auger and screw on ™ union screws Portion controller with individual parts, dosing auger Ensure correct orientation of discharge. Fill and mount hopper ™ Shut hopper lock on the machine cover ™ User manual WMF bistro!
  • Page 49: Chapter 6 Haccp Schedule

    Use our HACCP schedule for monitoring of regular cleaning. With correct installation, care, maintenance and cleaning WMF espresso machines meet the requirements described above. If care of the espresso machines is not carried out properly, dispensing milk beverages will constitute a food hygiene hazard point.
  • Page 50: Haccp Schedule

    20 cappuccinos. • If little milk is being used, pre-refrigerated milk must be WMF AG offers a range of refrigeration options (e.g., WMF replaced in the refrigerator again during operation. countertop coolers or WMF milk coolers).
  • Page 51: Chapter 7 Maintenance

    Maintenance of the mixer system must take place every 6,000 cycles, at the latest however after 1 year. WMF Service You can reach the WMF Service via a central centre if the WMF Service is not known locally. WMF Americas Inc.
  • Page 52: Chapter 8 Messages And Instructions

    ™ No coffee grounds container fitted Insert the grounds container again correctly ™ change filter Please call the WMF Service ™ Observe the user manual for the scale filter. Please consult the user manual Error number is displayed w Error messages / malfunctions...
  • Page 53: Error Messages / Malfunctions

    The beverage buttons that are still illuminated can continue to be used. Your WMF bistro! is provided with a diagnostics program. Any errors occurring are shown on the display. The errors listed may also be caused by an interruption to the mains electricity supply.
  • Page 54: Steam Boiler

    Allow the machine to cool off and try again ™ Call the WMF Service if the error occurs again ™ Current error on the steam One can continue to use the machine; dosing fluctuations can occur for milk meterings.
  • Page 55 Steam dispensing is barred: One can continue to use the machine. Do not use steam dispensing or Steam Milk. valve 1 Call the WMF Service ™ Current error on steam Steam dispensing is barred: One can continue to use the machine. Do not use steam dispensing or Steam Milk.
  • Page 56: Error Without Error Display

    Check the fuse behind the drip tray ™ button Only fuse F4A is permissible. Replace fuse ™ WarNiNg Electrocution hazard. Failure to follow instructions can result in death or serious injury. Disconnect power before replacing the fuse. Use only designated fuse. User manual WMF bistro!
  • Page 57: Chapter 9 Safety

    Safety chapter 9 Safety Hazards to the operator At WMF, safety is one of the most essential product features. The effectiveness of safety devices can only be ensured if the following points are observed: WarNiNg • Read the user manuals carefully prior to use.
  • Page 58: Hazards To The Espresso Machine

    • For water with a carbonate hardness in excess of 5 gpg (5 °dKH), a WMF anti-scale filter must be fitted; otherwise, the espresso machine can be damaged due to build-up of scale.
  • Page 59: Directives

    UL 197 / NSF4. Duties of the owner / operator The operator of such equipment must ensure regular maintenance by WMF Service technicians, their agents or other authorised persons, and checking of safety devices. In order to ensure operational safety of your espresso...
  • Page 60: Warranty Claims

    In order to ensure the operating safety of your espresso machine, it is essential to regularly check safety valves and the pressure containers, among other checks. These measures are conducted by the WMF Service or by WMF authorised service personnel as part of the maintenance work.
  • Page 61: No Warranty Is Provided

    For malfunctions due to the effect of the weather, scale build-up, chemical, electrochemical or electrical effects, unless attributable to a fault on the part of WMF. • If a scale filter is not fitted even though the local water supply requires use of an scale filter and if malfunctions occur as a consequence.
  • Page 62: Appendix A: Cleaning Instruction

    Appendix: Additional instructions appendix a: cleaning instruction User manual WMF bistro!
  • Page 63: Appendix B: Technical Data

    *** Only for model version ECF **** Only with the optional Choc ***** The A-evaluated sound pressure level Lpa (slow) and Lpa (impulses) at the operating personnel workplace are under 70 dB (A) in any working mode. User manual WMF bistro!
  • Page 64: Conditions For Usage And Installation

    Do not use old hoses. Water quality For drinking water with a carbonate hardness above 5 gpg (5 °dKH), a WMF scale filter should be installed upstream. Water drain pipe Hose a min. DN 19, minimum downward slope of 0,02 inch/inch...
  • Page 65 In order to avoid possible faults from arising on our screened data lines due to potential equalization currents between the devices, an additional potential equalization unit should be planned for devices connected to the vending system. (See EN 60309) User manual WMF bistro!
  • Page 66: Appendix C: Accessories And Spare Parts

    Appendix: Accessories and spare parts appendix c: accessories and spare parts User manual WMF bistro!
  • Page 67 Appendix: Accessories and spare parts User manual WMF bistro!
  • Page 68 User manual WMF bistro!
  • Page 69 User manual WMF bistro!
  • Page 70: Index

    Delete counter 28, 40 Messages and instructions 52 Delete PIN 39 Messages for operation 52 Diagnostic program 53 Milk and foam 24 Dispensing hot water 13 Milk foam quality 24 Dispensing milk foam 13 Milk foam volume 32 User manual WMF bistro!
  • Page 71 Refill with beans 52 Warm rinse pad 37 Reset 35 Warranty 61 Rinsing interval 36 Weigh grounds 35 WMF original replacement parts 61 WMF Service 51 Safety devices 57 Safety equipment 57 SB operation 36 Scale filter installed 35 Second level 37...
  • Page 72 Your nearest WMF Service Centre: © 2007-2010 WMF AG Espresso machines Division Postfach 1401, D-73309 Geislingen / Steige, Germany. All rights reserved, in particular duplication, distribution and translation rights. No part of this Manual may be reproduced in any form or processed, duplicated or distributed using electronic systems without written consent.

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