Miele G 7823 Operating Instructions Manual Download Page 1

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Operating instructions

Washer-disinfector
G 7823 / G 7824

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. 07 776 620

en - GB, AU, NZ

Summary of Contents for G 7823

Page 1: ... Washer disinfector G 7823 G 7824 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 07 776 620 en GB AU NZ ...

Page 2: ...ile unit coding 21 Areas of application 23 Protein test 23 Loading the machine 24 Surgical instruments OP 25 Ophthalmology 26 Anaesthetic instruments AN 27 Baby bottles BC 28 Operating theatre shoes OS 30 Transfer trolley for loading and unloading the machine 31 Chemical processes and technology 33 Dispensing liquid chemical agents 38 Preparing the DOS dispensers 39 Fill the containers with the re...

Page 3: ... the front of the machine 54 Cleaning the wash cabinet 54 Cleaning the door seals 54 Mobile units modules and inserts 55 Printer optional 56 Renewing the paper roll 56 Renewing the colour cassette 56 After sales service 57 Converting the type of heating 58 Converting from steam to electric heating or from electric to steam 58 Electrical connection 59 Plumbing 60 Technical data 61 Optional extras 6...

Page 4: ...nstallation has been carried out by a suitably qualified engineer Please pay attention to the following notes to avoid injury and damage This machine should be commissioned and then maintained by a Miele authorised and trained service technician only A Miele service contract is recommended to ensure compliance with GLP Guidelines and the Medical Devices Directive Unauthorised repairs could be dang...

Page 5: ...e is a danger of inhaling toxic fumes Where there is a risk of toxic or chemical substances occuring in the suds solution e g aldehyde in the disinfecting agent it is essential to regularly check door seals and make sure that the steam condensor is functioning correctly Opening the machine door during a programme interruption carries particular risks in such circumstances Should personnel accident...

Page 6: ...ich use a chemical disinfecting agent at moderate temperatures such as 65 C or lower are not recognised by 18 IfSG for disinfection They should only be used for items which cannot withstand the higher temperatures used by thermal disinfection The range of effective disinfection is based on claims made by the producer of the disinfecting agent Their instructions on handling use and effectiveness mu...

Page 7: ...ngent requirements a regular quality control test should be carried out by the user to ensure that required standards of cleanliness are being achieved Mobile units modules and inserts should only be used for the purpose they are designed for Hollow instruments must be thoroughly cleaned internally and externally Empty any containers or utensils before arranging them in the machine Do not allow an...

Page 8: ...tion from blood or other bodily fluids in it and must be decontaminated before disposal For environmental and safety reasons ensure the machine is completely drained of any residual water chemical residues and cleaning agent Observe safety regulations and wear safety goggles and gloves Make the door lock inoperable so that children cannot accidentally shut themselves in Then make appropriate arran...

Page 9: ...value of 3000 is suitable for deactivating the HBV virus National health and safety regulations regarding disinfection must also be observed The cleaning programme as well as any chemical agents must be chosen according to the type of soiling and load being processed The agents used for processing the products should be selected to suit the level of cleaning required as well as the method of analy...

Page 10: ...le bProfitronic electronic controls see the Programming manual for more information cControls dMaster switch with emergency cut off function for service work eDrop down door closed fService panel Guide to the machine 10 ...

Page 11: ...Unclean side aSalt container connection point for the water softener bFilter combination cDrop down door open dContainers for dispensing systems DOS 1 DOS 3 DOS 2 DOS 4 optional Guide to the machine 11 ...

Page 12: ...Clean side G 7824 only aHandle bDoor release cDrop down door closed dPrinter optional G 7823 on the unclean side eService panel Guide to the machine 12 ...

Page 13: ...switch the display back on again Faults occurring during operation are shown in the display They are listed in a chart in the Programming manual bOn Off button I 0 cCursor button left 1 Moves the cursor to the left to the previous menu point to the previous parameter to the previous input position Guide to the machine 13 ...

Page 14: ...ects programmes from position 24 upwards Scrolls forward page by page in menus Is used for entering numbers and letters Alters pre settings e g service parameters gDoor switch 5 h Start button 6 Starts programmes Activates input mode Confirms activated values and settings Confirms menu points for entry into the relevant sub menu i Stop button 7 Cancels a programme Exits from input screen without s...

Page 15: ...dness fluctuates e g between 1 4 3 1 mmol l 8 17 d German scale always programme the washer disinfector to the higher value 3 1 mmol l in this example The built in water softener has settings from 1 d 60 d 0 2 10 8 mmol l For future servicing it is useful to make a note of your water hardness level Enter your water hardness level here d or mmol l Setting the water softener When the machine is firs...

Page 16: ...ned reactivation salt is available please consult the MIELE Professional Sales office for advice Salt with granules ü 4 mm must not be used in this machine Inadvertently filling the salt reservoir with cleaning agent can cause serious damage to the water softener and damage the filter insert and cause pressure to build up in the salt container To avoid the risk of injury please exercise caution wh...

Page 17: ...back in place Position the salt container as follows Remove any mobile units from the cabinet Unscrew the plastic cap situated in the top right hand side of the cabinet There will be a small amount of residual water in the cap Take care as it may be hot from the previous programme Screw the salt container firmly onto the socket Water softener softener Optional 17 ...

Page 18: ...p Push the mobile unit back into the cabinet Turn off the stopcocks Empty the salt container Do not empty it into the wash cabinet Rinse the salt container and filter insert with clean water The water pressure flow pressure at the take off point must be at least 100 kPa 1 bar If it is below100 kPa 1 bar or if it fluctuates a lot the water softener will not work properly After reactivation salt rem...

Page 19: ... for which the mobile unit is coded must be allocated to the correct programme place See System function Selector switch organisation in the Programming manual for information on how to change programme positions Before starting a programme it is absolutely essential that you check that the programme shown in the display is the correct one for the mobile unit being used Otherwise inadequate cleani...

Page 20: ...llocated programme Make sure that there are no small metallic objects or instrument parts attracted to the magnetic strip in particular to the underside of it Any metallic objects on the strip can result in the coding being incorrectly read Press 6 to start the programme Coding is effected through 5 Bits Bits 1 to 4 define the mobile unit code Bit 5 serves as a control Parity Bit Bit 6 controls th...

Page 21: ... 0 0 I 0 I I 0 The coded total must be an even number The settings on Bit 6 WAK are not included in this calculation If the coded total gives an odd number the message CHECK MOBILE UNIT RECOGNITION appears If the mobile unit code equals 0 the message NO MOBILE UNIT RECOGNITION appears In neither case can the programme be started The mobile unit recognition function must be re set Setting mobile un...

Page 22: ...obile unit and screw firmly in place Bit 6 WAK is not a component part of the modifiable magnetic strip Make sure that you code mobile units with side connection with a track where Bit 6 is set to I Mobile units without side coupling must be coded with a track without Bit 6 The magnetic strips on G 7823 G 7824 G 7825 G 7826 must have grey magnets The magnetic strips on G 7827 G 7828 must have blac...

Page 23: ...Are the filters clean Remove any coarse soiling and clean them properly if necessary Is the adapter connecting the water supply to the spray arms jets correctly connected Are all chemical containers sufficiently filled At the end of each programme Carry out a visual check of the load for cleanliness Check that all hollow shafted instruments are still securely located on their jets Any hollow instr...

Page 24: ...tems should be placed at an angle to make sure water runs off them freely Tall narrow pieces should be placed in the centre of the baskets This ensures good water coverage Mobile units with an adapter must engage correctly Modules must be correctly connected in the mobile unit The spray arms must not be blocked by items which are too tall or which hang down in their path If in doubt test for free ...

Page 25: ...se must be carried out with fully demineralised water These containers must not be processed with an alkaline cleaning agent in a 93 C programme with 10 minutes holding time according to 18 IfSG Mobile units for surgical instruments and containers are supplied with their own operating instructions When cleaning narrow lumen instruments e g those used for minimally invasive surgery an intensive int...

Page 26: ... the mobile injector unit using the silicone holders and connectors in the rack The lower level of the mobile injector unit is designed to take E 441 1 inserts or E 142 mesh trays for processing solid instruments Plastic fibre cover nets must not be used in washer disinfectors which are used to process hollow ophthalmic instruments with narrow lumen The mobile injector unit for ophthalmic instrume...

Page 27: ...sing a chemical disinfection programme To establish the effectiveness of disinfection consult the manufacturer of the disinfecting agent being used If the process is not to be followed by sterilisation the load should be dried completely to avoid the development of water borne bacteria A sufficient drying time is therefore absolutely essential Mobile units for anaesthetic instruments are supplied ...

Page 28: ...ottles can be washed fill them with water to prevent residues from drying on If the process is not to be followed by sterilisation the load should be dried completely to avoid the development of water borne bacteria A sufficient drying time is therefore absolutely essential Inserts for baby bottles and teats are supplied with their own operating instructions Loading in an E 555 Bottom level with 3...

Page 29: ... frame The angled positioning of the containers ensures that the jets of water reach right into the bottles The two blocked corners in the inserts should be located over the positions marked with an X on the drawing The jets of water cannot get into the bottles properly in these positions to clean them Areas of application 29 ...

Page 30: ...the effectiveness of chemical disinfecting agents for disinfection consult the manufacturer Theatre shoes should be cleaned and disinfected in a machine installed specifically for this purpose only Moble unit E 550 with a suitable insert e g E 730 can be used for this purpose A large amount of fluff can build up in the machine when cleaning theatre shoes The filters in the wash cabinet should ther...

Page 31: ...n institute for microbiology and hygiene are also suitable The height of the transfer trolley can be adjusted using the feet The height should be set so that the open machine door is held underneath the side catches on the transfer trolley If the machine is not fitted on a plinth the position of the foot pedal on the transfer trolley may need to be changed Unscrew foot pedal a Loosen counter nut b...

Page 32: ...t will then sit over the door Secure the brakes on the wheels To lower the mobile unit step right down on the foot pedal At the end of the programme push the transfer trolley up to the washer disinfector making sure that the door of the machine is held underneath the side catches on the transfer trolley Then pull the mobile unit out as far as it will go onto the open door so that it can be lifted ...

Page 33: ...d rectify it Check the process used regularly to monitor foaming levels See information regarding Chemical agents Soiling and Reaction between chemical agents and soiling Corrosion to stainless steel in the wash cabinet and to accessories can give them a different appearance Rust red marks discolouration black marks discolouration white marks discolouration etched surface Corrosive pitting can lea...

Page 34: ...or and accessories Use Miele approved chemical agents in this machine Carry out a regular visual check of any accessible elastomers and plastics for damage The following oxidising chemical agents can damage elastomers hoses and seals and plastics in the washer disinfector Nitric acid peracetic acid products containing active chlorine The wash temperature should be limited to 50 C Nitric acid 35 C ...

Page 35: ...or very low foaming Please observe chemical agent manufacturer s instructions De foaming agents especially silicone based ones can cause the following Deposits to build up in the cabinet deposits to build up on the load damage to elastomers and plastics in the washer disinfector damage to certain plastics e g polycarbonate and plexiglass in the load being processed De foaming agents should be used...

Page 36: ...p of foam during washing and rinsing Some disinfecting agents and dishwashing detergents reagents for analysis e g for microtiter plates cosmetics hygiene and care products such as shampoos and creams analytical applications active foaming agents such as tensides Thoroughly rinse items in water beforehand Select a cleaning programme with at least one short pre rinse in cold or hot water Depending ...

Page 37: ...on use de foaming agents that do not contain silicone oils Soiling containing high protein levels such as blood can cause a heavy build up of foam when processed with alkaline chemical agents Select a cleaning programme with at least one short pre rinse in cold water Non precious metals such aluminium magnesium and zinc can release hydrogen when processed with very acidic or alkaline chemical agen...

Page 38: ...application chosen will then be dispensed through these dispensing systems Further information regarding the OXIVARIO and ORTHOVARIO programmes and connection of the H2O2 solution container can be found at the end of this booklet under Special processes OXIVARIO and ORTHOVARIO OXIVARIO kit This washer disinfector can be set up or retro fitted to use the OXIVARIO process by adding an additional dis...

Page 39: ...ssioning or when the message CHECK DISPENSING SYSTEM appears start the DOS FILL Programme to vent the dispensing system see Venting the dispensing system Take great care when handling liquid agents and additives These may contain irritant or corrosive ingredients Please follow the manufacturer s safety instructions Wear protective gloves and goggles Fill the containers with the relevant agent Swit...

Page 40: ...ers in good time Do not let them get empty It is best to refill them as soon as the FILL DOS 1 2 3 or 4 message appears in the display If a container is not being used the level query for the unused dispensing system can be turned off to avoid the error message see Machine functions container query in the Programming Manual supplied with the washer disinfector Dispensing liquid chemical agents 40 ...

Page 41: ...6 The DOS FILL Service Programmes are allocated to programme places 58 61 ex works but can be re allocated to other programme places if preferred Dispensing system maintenance To ensure trouble free operation the following regular maintenance should be carried out by a Miele approved service technician Every 12 18 months Replace the hoses in the dispensing system s External Dispensing systems If e...

Page 42: ...oor grip open the door To open the door on the Clean side through feed model the following conditions must also be met DESIN disinfection programmes have been correctly completed or the door locking function is active see Machine function Door Interlock in the Programming manual Do not touch the heating elements under the wide area filter during or directly after the end of a programme You could b...

Page 43: ...y Select the operating level you want using the 1 or 2 buttons Press 6 to confirm selection Enter code when requested by the display The code is set ex works to ü0000 To enter the code Press the start button 6 0000 will appear Enter numbers using the 4 and 3 buttons Select number position with the 1 or 2 button To confirm code press 6 If you enter the wrong code FALSE CODE ENTER AGAIN will appear ...

Page 44: ...r Press the Start button 6 B Free programme selection Select operating level B In operating level B there are three ways of selecting a programme 1 Programme places 1 23 can be selected using the Programme selector Turn the programme selector to the required programme The programme name will appear in the display 2 Programmes above place 24 are selected using the 4 and 3 keys Turn the programme se...

Page 45: ...ing Automatic mobile unit recognition are not changed around arbitrarily Press the Start button 6 Programme sequence The programme will start automatically as soon as the Start button has been pressed It is finished when PROGRAMME END appears in the display and the background lighting flashes press any button to switch off the flashing lights See System functions in the Programming Manual for furt...

Page 46: ...TINUE will appear in the display With established decontamination programmes any contaminated water must be decontaminated using a disinfecting agent before it is discharged into the sewerage system The door on the unclean side of the machine can be opened to do this Use cursor 1 to select üCANCEL the ü cursors will start flashing Press the Start button 6 The programme is cancelled and the water p...

Page 47: ...me is interrupted CANCEL or üCONTINUE will appear in the display Open the door On barrier machines please note If the machine is set to WITHOUT DOOR INTERLOCK YES the doors on either the clean or unclean side can be opened If it is set to WITHOUT DOOR INTERLOCK NO only the door on the unclean side can be opened at this stage Washer disinfectors used as medical devices in accordance with EN ISO 158...

Page 48: ...patible contact Miele for a list of suitable models HP Laserjet Pin configuration in the 9 pole sub D connector on the interface cable 5 GND base 3 TXD transmit 2 RXD receive 1 4 6 linked 7 8 linked A standard null modem or laplink cable can be connected The extension cable to the printer PC must not exceed 10 m in length Please note the following when connecting a printer or PC Only use an indust...

Page 49: ...nd drainage Internal and external dispensing systems Spray arms Filter combination Sump including drain pump and non return valve Steam condenser All mobile units modules and inserts and where applicable The drying unit Any printer connected to the machine The following operational tests will be carried out within the framework of the maintenance A programme will be run as a test run Thermo electr...

Page 50: ...e technician in accordance with EN ISO 15883 and HTM 2030 Routine checks Before the start of each working day the user must carry out a number of routine checks A check list is supplied with the machine for this purpose The following need to be inspected All filters in the wash cabinet The spray arms in the machine and in any mobile units or modules The wash cabinet and the door seal Mobile units ...

Page 51: ...se the filters to clog up They should therefore be checked daily and cleaned if necessary This machine must not be used without all the filters in place Watch out for glass splinters needles etc which could cause injury Cleaning the coarse filter Press the two lugs together remove and clean the coarse filter Put the clean filter back in position and press until it clicks in place Maintenance 51 ...

Page 52: ...icro fine filters To unscrew the micro fine filter take hold of the two lugs and turn twice in an anti clockwise direction Then remove together with the flat filter Clean the filters Replace the filters by carrying out the above steps in the reverse order Ensure that the flat filter sits flat in the base of the wash cabinet Maintenance 52 ...

Page 53: ...ash cabinet Spray arms in the wash cabinet Loosen the securing clip on the spray arm connection and then pull the spray arm upwards or downwards Remove the seal and the bearing and clean them Refit the bearing and the seal Spray arms in mobile units modules Turn the nut left hand thread together with the spray arm clockwise and then pull the spray arm downwards and off After cleaning the spray arm...

Page 54: ...th and a little washing up liquid or with a non abrasive proprietary cleaning agent designed for use on stainless steel To help prevent fingermarks etc a stainless steel conditioning agent can also be used Do not use any cleaning agents containing ammonia or thinners as these can damage the surface material Never clean the machine or near vicinity with a water hose or a pressure washer Cleaning th...

Page 55: ...system mobile units are working properly Check that jets sleeves and hose adapters are securely held in position in mobile units inserts Check that wash liquor can flow unhindered through all jets sleeves and hose adapters Make sure caps and closures on sleeves are correctly located and where applicable Make sure that the spray arms rotate freely Make sure the spray arm jets are free of any blocka...

Page 56: ...eplacement paper rolls 58 mm wide outer diameter approx 50 mm can be purchased from the Miele Spare Parts Department or from an office stationery supplier Renewing the colour cassette Open up the front flap on the printer and then open it downwards Pull the colour cassette above the paper roll forward and out of its holder then put in a new one Ensure the paper still passes between the colour ribb...

Page 57: ... incorrect operation An overview of all error messages that can appear in the display are given in the Programming manual under Messages If having followed the advice in the operating instruction manual and in the programming manual you are still unable to resolve a problem please call the Miele Service Department see back cover for contact details When contacting Miele please quote the model and ...

Page 58: ...RO or ELECTROüü STEAM service programme to switch from one type of heating method to the other Select STEAMüüELECTRO or ELECTROüüSTEAM see Operation B Free programme selection Press the Start button 6 When the Service programme has ended a message will appear in the display To üCONTINUE press 6 Converting the type of heating 58 ...

Page 59: ...ble to protect the machine with a suitable residual current device RCD Check that the phase rotation is correct when connecting the machine Failure to do so could have an adverse effect on the circulation pump and impair the wash quality Equipotential bonding should be carried out For technical data see data plate or wiring diagram supplied The machine must only be operated with the voltage freque...

Page 60: ...he installation diagram supplied with the machine If the water supply has a high iron content there is a danger of corrosion occurring on items being processed in the machine as well as in the machine itself If the chloride content of the water exceeds 100 mg l the risk of corrosion to items being processed in the machine will be further increased Plumbing 60 ...

Page 61: ...e 5 C to 40 C Relative humidity maximum decreasing proportionately to 80 for temperatures to 31 C 50 for temperatures to 40 C Altitude Max 1500 m Soiling level according to IEC EN 61010 1 P2 Protection category according to IEC 60529 IP20 Dust permeation Noise level in dB A Sound level LpA during cleaning and drying phases 70 Test marks VDE radio interference suppression mark MDD Guidelines 93 42 ...

Page 62: ...as Drying unit TA Steam condenser DK Water softener Report printer PRT Dispensing systems DOS 2 and DOS 4 OXIVARIO kit ORTHOVARIO kit this has to be set up by an approved Miele service technician Optional extras 62 ...

Page 63: ...VARIO OXIVARIO PLUS and the ORTHOVARIO programmes are available for these requirements The machine is supplied with these programmes allocated to programme places 51 to 53 The OXIVARIO process releases active oxygen under alkaline conditions The cleaning agent used must be tenside free and have a pH value of between 11 and 11 5 The ORTHOVARIO process uses a special tenside based cleaning agent in ...

Page 64: ...ng agent It is not suitable for anodised aluminium Be aware that items made from alloys containing titanium such as some implants do not always state the material s compatibility Processing such items can result in colour changes rendering any coding on them ineffective If in doubt please consult the manufacturer of the item The ORTHOVARIO procedure is suitable for processing aluminium instruments...

Page 65: ...y use tenside cleaning agents supplied by Ecolab or Dr Weigert Connecting the H2O2 solution container The connection hose for the H2O2 solution container is identified by a black label The connection hose is supplied without a safety cap as the container for hydrogen peroxide will vary depending on supplier Connect the supplier s safety cap to the connection hose black Then connect this to the H2O...

Page 66: ...ronment They are however essential for the correct functioning of your or machine Please do not therefore dispose of it with your general waste Please dispose of it at your local community waste collection recycling centre or contact your dealer for advice Ensure that it presents no danger to children while being stored for disposal Disposal of your old machine 66 ...

Page 67: ...67 ...

Page 68: ...M Nr 07 776 620 00 0366 Alteration rights reserved Publication date 11 01 2010 ...

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