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Miele G 7804 Operating Instructions Manual
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Miele G 7804 Operating Instructions Manual

Miele G 7804 Operating Instructions Manual

For laboratory glassware
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Operating instructions

Dishwasher for
laboratory glassware
G 7804
en - GB, AU
To avoid the risk of accidents or
damage to the machine, it is
essential to read these instructions
before it is installed, commissioned
and used for the first time.
M.-Nr. 09 234 500

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Summary of Contents for Miele G 7804

  • Page 1: Operating Instructions

    Operating instructions Dishwasher for laboratory glassware G 7804 en - GB, AU To avoid the risk of accidents or damage to the machine, it is essential to read these instructions before it is installed, commissioned and used for the first time.

  • Page 2: Table Of Contents

    Contents Intended use ............5 Guide to the machine .
  • Page 3 Contents Programme sequence indicators ........37 Programme end .
  • Page 4 Contents Other problems ..........60 Thermal cut-out .

  • Page 5: Intended Use

    Intended use This Miele dishwasher is specifically Reprocessing glassware by machine designed for cleaning and rinsing achieves reproducible results and laboratory glassware which is suitable should be used in preference to for machine reprocessing. Please also processing them by hand.

  • Page 6: Guide To The Machine

    Guide to the machine a On/Off switch I-0 o Programme sequence indicators: Reactivation b Door release a Pre-wash c Display l Main wash Interim rinse / Final rinse d Delay start indicator light c Drying e Drying indicator light r Programme finished f Programme start indicator light p Programme selector Stop...
  • Page 7 Guide to the machine a At the back of the machine: d Dispenser for powder cleaning agent Connection for DOS-Module e Dispenser for rinsing agent or - DOS G 60 for liquid cleaning agent, neutralising agent (with dosage - DOS G 10 for neutralising agent selector) b Filter combination f Level indicator for rinsing agent or...

  • Page 8: Warning And Safety Instructions

    The dishwasher should be that incorrect use can lead to commissioned and then maintained personal injury and damage to and repaired by a Miele authorised and property. trained service technician only. A Miele To avoid the risk of accidents and...
  • Page 9 Warning and Safety instructions Take care when handling chemical If the door is opened with the agents such as cleaning agent, emergency release cord there is a neutralising agent, rinsing agent etc. danger of burning, scalding or These may contain irritant or corrosive chemical burning or if disinfecting ingredients.
  • Page 10 Foam can have an are discussed with Miele. adverse effect on the cleaning process. If the cleaning and rinsing results Foam must not be able to escape are subject to particularly stringent from the wash cabinet.
  • Page 11 Consult Miele on the type the wash cabinet. Similarly avoid any and application of such equipment. materials with a corrosive effect.

  • Page 12: Symbols On The Machine

    Warning and Safety instructions Symbols on the machine Disposing of your old machine Warning: Please note that the machine may Observe the operating have been contaminated by infectious instructions. pathogens, facultative pathogens, genetically modified material, blood or other bodily fluids, and must be Warning: decontaminated before disposal.

  • Page 13: Caring For The Environment

    Caring for the environment Disposal of the packing Disposal of your old machine material Electrical and electronic machines often contain materials which, if The transport and protective packing handled or disposed of incorrectly, has been selected from materials which could be potentially hazardous to are environmentally friendly for disposal human health and to the environment.

  • Page 14: Opening And Closing The Door

    PRE-RINSE D and DRAIN 6 programmes. The machine can be programmed (by a ^ The emergency release cord is Miele approved service technician) to located at the bottom of the machine open during "Drying". behind the service panel. Pull it downwards to open the door.

  • Page 15: Water Softener

    Water softener Programming the water In order to achieve good cleaning results, the machine needs to operate softener with soft water. Hard water results in the ^ Switch off the machine. build-up of calcium deposits on the load and inside the wash cabinet. ^ Turn the programme selector to f.
  • Page 16 Water softener Table of settings °dH mmol/l °f Setting °dH mmol/l °f Setting 0 *) 10.1 10.3 10.4 19 **) 10.6 10.8 *) The "0" setting is only for machines which do not have a water softener **) Factory default setting...

  • Page 17: Filling The Salt Reservoir

    2.5 litres of water to enable the salt to dissolve. can impair the functioning of the water softener. If in doubt consult the Miele Once the machine has been used, Professional Department. there is always sufficient water in the reservoir.

  • Page 18: Add Salt Indicator

    Water softener Add salt indicator ^ Remove the funnel and wipe any residual salt off the seal and the Reactivation takes place automatically screw threads on the socket. during a programme. The programme sequence indicator ^ Screw the cap back on firmly. light a k lights up whilst this is ^ Run the PRE-RINSE D programme to happening.

  • Page 19: Areas Of Application

    Areas of application The dishwasher can be fitted with a top At the end of each programme: and bottom basket or a mobile unit. – Carry out a visual check of the load Various inserts and special baskets are for cleanliness. also available for a wide variety of items.

  • Page 20: Loading The Machine

    Areas of application Loading the machine – Tall, narrow, hollow items should be placed in the centre of the baskets to Disposable items must not be ensure better water coverage. processed in the machine. – Lightweight items should be secured with a cover net (e.g.
  • Page 21 Areas of application Preparing the load Pre-treatment prior to machine processing ^ Remove coarse residues and empty all containers before loading into the In certain cases, soiling that is difficult machine. or impossible to remove, e.g. silicone grease, sticky labels, etc., which could Ensure that acids and residual affect the cleaning results, must be solvents, especially hydrochloric...

  • Page 22: Water Connection Spring Adapter

    Areas of application Water connection spring Height adjustable upper basket adapter The upper basket can be adjusted above and below the middle position Make sure that the spring adapter for by 2 cm. water connection engages correctly when a basket or injector unit is Different height items can be inserted in the machine.

  • Page 23: Laboratory Glassware

    Areas of application Laboratory glassware The following instructions relate only to basic preparation and loading of Wide-necked laboratory glassware, e.g. laboratory utensils. beakers, wide-necked conical flasks and Petri dishes, or cylindrical vessels, – Petri dishes and similar should be e.g. test tubes, are washed and rinsed placed in the correct insert with the internally and externally by the rotating soiled side facing the centre.
  • Page 24 Areas of application Upper basket O 188/1 E 106/2 For various inserts, e.g. E 103 for test For wide-necked beakers, measuring tubes, AK 12 for funnels and beakers, cylinders or medicine bottles. E 118 for Petri dishes, or E 134 for microscope slides.

  • Page 25: Chemical Processes And Technology

    Chemical processes and technology General notes Problem How to resolve it If elastomers (seals and hoses) and – Establish the cause of the damage plastics in the machine suffer damage, and rectify it. they will not be watertight and will not See information regarding "Chemical function correctly.
  • Page 26 Chemical processes and technology Chemical agents Problem How to resolve it The ingredients in chemical agents – Observe the chemical agent have a strong influence on the longevity manufacturer's instructions and and functionality (throughput) of the recommendations. dispensing system. The dispensing –...
  • Page 27 – damage to elastomers and plastics should be periodically cleaned in the machine, without a load and without – damage to certain plastics (e.g. de-foaming agent using programme polycarbonate and plexiglass) in the B or C. load being processed. – Please contact Miele for advice.
  • Page 28 Chemical processes and technology Soiling Problem How to resolve it The following substances can damage – Refit the dishwasher with oil-resistant elastomers (hoses and seals) and elastomers. plastics in the machine: – Depending on usage wipe the lower – oil, wax, aromatic and unsaturated door seal on the dishwasher hydrocarbons, periodically with a lint-free cloth or...
  • Page 29 Chemical processes and technology Reaction between chemical agents and soiling Problem How to resolve it Natural oils and fats can be emulsified – Use programme B or C. with alkaline chemical agents. This can – Depending on application use lead to a heavy build-up of foam. de-foaming agents that do not contain silicone oils.

  • Page 30: Dispensing Chemical Agents

    A change of media, e.g. from after they have been washed. The neutralising agent to rinsing agent, dispensing system reservoir must be requires re-programming by Miele filled and the dishwasher programmed Service. to dispense rinsing agent. The components of the rinsing agent...

  • Page 31: Filling The Reservoirs

    Dispensing chemical agents Filling the reservoirs Important: Both reservoirs must always be filled with the same liquid agent. Only fill the duo-dispensing system with neutralising agent or rinsing agent formulated for dishwashers. Do not fill with cleaning agent. This would damage the reservoirs.

  • Page 32: Adjusting Dosage

    A neutralising agent can be dispensed via the optional DOS module G 10 (DOS 3, dispensing pump for neutralising agent). The machine must be set up for this by a Miele approved service technician. The DOS module is fitted exernally. In order to dispense neutralising...

  • Page 33: Add Neutralising Agent Indicator

    Dispensing chemical agents Refilling the container for the DOS Add neutralising agent indicator module ^ When refilling the red container with neutralising agent you could place it on the open wash cabinet door or on a surface which is easy to clean. ^ The container for neutralising agent should be refilled when the w indicator lights up.

  • Page 34: Adding Cleaning Agent

    G 60: dispensing pump for liquid cleaning – O 175 agent). The machine must be set up for – O 176 this by a Miele approved service – O 176/1 technician. The DOS module is fitted – O 183 exernally.
  • Page 35 Some types of soiling may require different combinations of cleaning agents and other additives. The Miele Professional Department will be pleased to advise you. ^ Add powder cleaning agent to the compartment. ^ Close the dispenser flap.

  • Page 36: Operation

    Operation Selecting the Drying 3 additional Switching on function ^ Close the door. The drying additional function may be ^ Open the stopcocks. selected immediately after the ^ Press the I-0 switch. programme has been selected (except with Pre-rinse D and Drain 6). When the programme selector is at f, To do this: a dot lights up in the display.

  • Page 37: Starting The Programme

    Operation Starting the programme Programme end ^ Press the Start button 6. The programme has ended when r lights up constantly in the programme The current temperature will appear in sequence display and the 6 indicator the display. has gone out. A 0 will appear in the The indicator light next to the Start middle of the display.

  • Page 38: Cancelling A Programme

    Operation Cancelling a programme Cancelling the programme manually Once a programme is running it should If a programme is cancelled, the only be cancelled in extreme cases, items must be reprocessed. e.g. when articles in the machine rattle or jostle against each other and have to Programme cancellation due to a be rearranged.

  • Page 39: Programmable Functions

    Programmable functions For future sevicing work, please document any alterations to the factory default settings. Enter any alterations in the appropriate box. General notes: – Switch positions that have not been allocated a function are indicated in the middle part of the display by a bar ( - ). –...

  • Page 40: Dispensing Liquid Cleaning Agent Via Dos 1

    Programmable functions Dispensing liquid cleaning agent via DOS 1 Setting the dosage concentration The dosage concentration must be set exclusively for liquid cleaning agent. Set it according to the manufacturer's recommendations or the official standards required. The dosage concentration must not be altered even if powder cleaning agent is dispensed via the dispenser in the door.

  • Page 41: Dispensing Neutralising Agent Via Dos 3

    Programmable functions Dispensing neutralising agent via DOS 3 In order to dispense neutralising agent via a DOS G 10 module the duo-dispensing system for liquid agents in the door has to be reprogrammed to accept rinsing agent. Setting the dosage concentration The dosage concentration for the neutralising agent must be set according to the manufacturer's recommendations or the official standards required.

  • Page 42: Buzzer

    Programmable functions Buzzer The buzzer can be programmed as follows: – a constant tone at the end of a programme, and/or – at one second intervals as a fault warning. The buzzer settings are displayed as numbers: Switched off Programme finished (factory default setting) Fault indication Programme finished + fault indication Step...

  • Page 43: Changing Programme Parameters

    Programmable functions Changing programme parameters The parameters for programmes A, B and C can be changed to suit particular requirements. To do this the temperature and the temperature holding time in the Main wash and Final rinse programme blocks can be changed. The programme chart at the end of these instructions shows the factory default settings for the temperature and temperature holding time of the individual programme blocks.

  • Page 44: Activating Rinse 2

    ^ Press 4 repeatedly or hold pressed in until the required number appears in the display, e.g. 51. Value set: To use AD water in the programme section "Rinse 2" the machine has to be programmed by a Miele service technician.

  • Page 45: Delay Start

    Programmable functions Delay start The start of a wash programme can be delayed by up to 24 hours in 30 minute stages. Important: If you set a very long delay start period there is a danger of items in the machine drying out and this can impair cleaning results. Activating delay start Step Display / Result...

  • Page 46: Resetting To Factory Default Settings

    Programmable functions Resetting to factory default settings Step Display / Result ^ Press 3 repeatedly or hold it pressed in until E07 appears in the display. ^ Turn the programme selector to a programme. Factory default setting: Electronics have been programmed to another setting: ^ Press 4 when PP shows in the display.

  • Page 47: Maintenance

    A check list is supplied operating hours, or annually by a with the dishwasher for this purpose. Miele approved service technician. The following need to be inspected: A service will cover the following: – All filters in the wash cabinet –...

  • Page 48: Cleaning The Filters In The Wash Cabinet

    Maintenance Cleaning the filters in the wash Cleaning the coarse filter cabinet The filters in the base of the wash cabinet are designed to prevent coarse soiling getting into the circulation system. A build-up of coarse soiling can cause the filters to clog up. They should, therefore, be checked daily and cleaned if necessary.

  • Page 49: Cleaning The Flat And Micro-Fine Filters

    Maintenance Cleaning the flat and micro-fine filters ^ Remove the coarse filter. ^ Remove the fine filter from between the coarse and the micro-fine filters. ^ Then remove the micro-fine filter together with the flat filter. ^ Clean the filters. ^ Replace the filters by carrying out the above steps in the reverse order.

  • Page 50: Cleaning The Spray Arms

    Maintenance ^ Unscrew the upper spray arm. Cleaning the spray arms ^ Loosen the knurled thumb nut to The spray arms can become blocked and should therefore be checked every unscrew the lower spray arm. day. ^ Use a sharp pointed object to push ^ After cleaning the spray arms, fit or particles into the spray arm jets, and screw them back into position.

  • Page 51: Cleaning The Control Panel

    ^ To help prevent resoiling (fingermarks etc.) a stainless steel When processing chemicals are being conditioning agent (available from used, they should be monitored Miele or at www.miele-shop.com) can regularly for any dispensing also be used. irregularities. Do not use any cleaning agents...

  • Page 52: Baskets And Inserts

    Maintenance Baskets and inserts Baskets and inserts should be checked daily to make sure they are functioning correctly. The dishwasher is supplied with a check list. The following need to be inspected: – Check that rollers on baskets/inserts are free of hindrance and that they are secure.

  • Page 53: Problem Solving Guide

    The following guide may help to find the reason for a fault and enable you to correct it. You should, however, note the following: Repairs should only be carried out by a Miele authorised and trained ser- vice technician in strict accordance with current local and national safety regulations.
  • Page 54 Problem solving guide Problem Possible cause Remedy The Add salt indicator The salt reservoir has not – Fill carefully with salt. light k flashes. been replenished, meaning that the water softener could not be reactivated. The neutralising agent The neutralising agent –...
  • Page 55 Problem solving guide Problem Possible cause Remedy The programme is Before trying to rectify the cancelled and the problem, you must: p / 6 indicator – Turn the programme selector to f (the fault flashes. code goes out). – Switch the dishwasher off with the I-0 switch.
  • Page 56 Problem solving guide Problem Possible cause Remedy Cleaning agent residue – Remove the residue. is left in the dispenser – Run the process again. for powder cleaning The dispenser for powder – Make sure the dispenser is agent at the end of a cleaning agent was still dry before adding cleaning programme.
  • Page 57 Problem solving guide Problem Possible cause Remedy Glass utensils are The items are not Only process items which are cloudy and etched. dishwasher proof. dishwasher proof. Neutralisation has not Fill the neutralising agent been carried out during container. the programme cycle. Glassware was damaged Select a suitable programme, by selecting too high a...
  • Page 58 Problem solving guide Problem Possible cause Remedy White residues and/or The water softener is Check the water hardness flecks are visible on programmed to a setting level of the water supply and items. which is too low. programme the water softener correctly.
  • Page 59 Problem solving guide Problem Possible cause Remedy The cleaning result is Baskets or inserts have Rearrange the items. unsatisfactory. been incorrectly loaded Do not overload baskets or or overloaded. inserts. The programme selected Select a suitable programme is not suitable for the or change the programme degree of soiling.

  • Page 60: Other Problems

    ^ Remove the cause of the fault. ^ Open the service panel. ^ Press the reset button on the heater limiter located on the right-hand side of the plinth. If this switch trips again, contact the Miele Service Department.

  • Page 61: Cleaning The Drain Pump And Non-Return Valve

    Other problems Cleaning the drain pump and The drain pump is situated under the non-return valve (see arrow). non-return valve If water has not been pumped away at the end of a programme, the drain pump or the non-return valve might be blocked.

  • Page 62: Cleaning The Filters In The Water Inlet

    Other problems Cleaning the filters in the water To clean the filter inlet ^ Disconnect the machine from the mains supply. Filters are incorporated in the screw connection of the water inlet hose to ^ Turn off the stopcock and unscrew protect the water inlet valve.

  • Page 63: After Sales Service

    Service Dealer or Miele. See back cover for contact details. ^ When calling your Dealer or Miele, please quote the model and serial number of your machine, both of which are shown on the data plate (see "Electrical connection").

  • Page 64: Installing The Machine

    Installing the machine Building the machine under a Please refer to the installation continuous worktop diagrams supplied with the The machine lid must be removed as machine. follows: ^ Open the door. Furniture and fittings installed near the machine must be of a commercial standard able to withstand the effects of steam and condensation.
  • Page 65 Cover plate (protects the worktop) To ensure stability, the machine must If required, a special cover plate can first be aligned and then screwed to the be ordered from Miele. worktop. This cover plate protects the underside ^ Open the door.

  • Page 66: Electrical Connection

    30 mA residual current device (RCD). – The mains connection cable may only be replaced by an original Miele spare part or an appropriate cable with wire end ferrules. – For technical data see data plate or wiring diagram supplied with the machine.

  • Page 67: Plumbing

    To comply with WRAS requirements, fault code F E will appear in the this machine must be connected to display) please contact Miele for the potable water supply via advice. non-return valves supplied with the –...

  • Page 68: Ad Water Connection (Pressurised) Ö 0.6 - 10 Bar (60 - 1000 Kpa)

    0.085 - 0.6 bar prevention is already integrated in the pressure (8.5 - 60 KPa) water supply machine. and fitted with a feed pump by a Miele Service Technician. When connecting an AD water container (non-pressurised), the AD...

  • Page 69: Drainage

    Hose clips are supplied for securing it in position. – A longer drain hose (up to 4 m long) is available to order from Miele. – The drainage system must not exceed 4 metres. See also the installation diagram...

  • Page 70: Programme Chart

    Programmes A to C can be optimised to specific requirements on request by Miele Service. Organic residues such as oils and fats may require conversion to oil-resistant elastomers.
  • Page 71 = Aqua destillata, fully demineralised water (DI), pure H O, demineralised water, Aqua purificata or distilled water (optional). DOS 1 = For dispensing cleaning agent DOS 2 = For dispensing rinsing agent (must be activated by a Miele service technician) DOS 3 = For dispensing neutralising agent...

  • Page 72: Technical Data

    60529) Sound emissions in dB (A), < 70 Sound level LpA during cleaning and drying phases Test marks EMC, VDE, radio and television suppressed ! mark 2006/42/EG machine guidelines Manufacturer's address Miele & Cie KG, Carl-Miele-Str. 29, 33332 Gütersloh, Germany...
  • Page 76 Alteration rights reserved / Publication date: 14.11.2011 M.-Nr. 09 234 500 / 00...

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