background image

Installation and Operating
Instructions

Washer-Disinfector
G 7881

To avoid the risk of personal injury or
damage to the appliance,
it is

essential

that you

read these operating instructions

before

installation and use.

M.-Nr. 07 778 581

en - CA

Summary of Contents for G 7881

Page 1: ...perating Instructions Washer Disinfector G 7881 To avoid the risk of personal injury or damage to the appliance it is essential that you read these operating instructions before installation and use M Nr 07 778 581 en CA ...

Page 2: ... to fill the salt reservoir 20 Refill Salt Indicator 21 Application 22 Protein test 22 How to load the machine 23 Spring adapter for the water connection 24 How to adjust the upper basket 24 Application 25 Chemical process 26 Dispensing processing chemicals 30 Adding rinse aid 30 Rinse aid indicator light 31 Setting the rinse aid dosage 31 How to add neutralizer 32 Neutralizer indicator light 33 H...

Page 3: ...eutralizer concentration 42 Priming the neutralizer dispensing system 43 Buzzer 44 How to restore the factory settings 45 Data transfer optional 46 Machine care 47 Maintenance 47 Process validation 48 Routine checks 48 Cleaning the filters in the wash cabinet 49 Cleaning the coarse filter 49 Cleaning the flat and micro fine filters 50 Cleaning the spray arms 51 Cleaning the control panel 52 Cleani...

Page 4: ...allation 66 Undercounter installation 66 Electrical connection 68 Plumbing 69 Connecting to the water inlet 69 DI water connection 70 Connect the water drain 71 Program guide 72 Technical data 74 Contents 4 ...

Page 5: ...in strict accordance with national and local safety regulations and standards To avoid injury please follow these instructions The machine must be installed maintained and repaired by a Miele Service Technician For best compliance with Good Laboratory Practice and regulations governing the use of medical products a valid Miele service and repair contract is recommended Repairs by unqualified perso...

Page 6: ...lf or create a danger for others When operating this machine be aware of the high temperatures involved If you bypass the electrical lock to open the door there is the danger of scalding and heat or chemical burns If disinfectants have been used there is also a risk of inhaling toxic vapors If toxic chemicals may be present in the wash cabinet e g aldehydes in the disinfectant the door seal and if...

Page 7: ...infection programs that use a chemical disinfectant at moderate temperatures for example 65 C or lower do NOT fulfill the official requirements for decontamination pursuant to Section 18 of the IfSG These programs should only be used when the items in question are temperature sensitive The disinfection parameters are based on the trials carried out by the disinfectant manufacturer Always observe t...

Page 8: ...t it is strongly recommended that all process related factors processing chemicals water quality etc be discussed in advance with Miele Application Technology The mobile units baskets and inserts must only be used for their specific applications Hollow items must be positioned for full exposure to wash water Empty all containers and hollow utensils before loading them Ensure that no acid or solven...

Page 9: ...ility of the manufacturer of the processing chemicals Symbols on the appliance Caution Comply with the Operating Instructions Caution Danger of electric shock Disposing of your old appliance Old appliances may be contaminated from exposure to blood or other body fluids and must therefore be decontaminated before disposal For safety and environmental protection be sure to drain remove all processin...

Page 10: ...18 of the IfSG for Germany The cleaning parameters should always be optimally matched to the type of soiling and items involved Processing chemicals are to be selected to suit the particular cleaning needs involved For re usable items to be safe for continued use the cleaning result must meet certain minimum standards for disinfection sterilization and residue levels Re usable products are best cl...

Page 11: ...actericidal action Instruments suitable for processing in the washer disinfector In general only high quality stainless steel items are suitable for processing in the washer disinfector All items to be cleaned and disinfected in the washer disinfector should have the following properties heat resistance to a temperature of 95 C 203 F corrosion resistance in the presence of heat and alkalinity The ...

Page 12: ...sinfector please seek the advice of the item manufacturer Water Quality Good water quality is essential for processing items in the washer disinfector otherwise item corrosion may result Poor water quality consists of but is not limited to high concentrations of chlorides over 50 ppm High chloride levels will cause even high quality stainless steel items to rust when processed in the washer disinf...

Page 13: ...ton 6 with indicator light gProgram sequence display Recharging Pre Wash Wash Rinse Dry Complete hCheck Fill indicators Fill Drain Recharge Neutralizer Rinse Aid 8 Detergent optical interface for service technician for connected DOS Module K 60 liquid detergent iProgram selector f Stop Wash Rinse Drain Disinfection 93 C 10 Disinfection vario Guide to the machine 13 ...

Page 14: ...ombination dReservoir for regenerating salt eCompartment for powdered detergent fReservoir for rinse aid with dosage selector gRinse aid level indicator on rear side of the appliance Interface connector RS 232 Suction uptake for external neutralizer reservoir Guide to the machine 14 ...

Page 15: ... often contains valuable materials but they may also contain harmful substances that were necessary for safe use Improperly disposing of these items in your household waste can harm human health and the environment This is why it is important to NEVER dispose of your old appliance with the regular household garbage Instead please contact your local community waste collection point to return and re...

Page 16: ... every time before refilling that the package contains reactivation salt Add rinsing agent Inadvertently filling the rinsing agent reservoir with cleaning agent including liquid cleaning agents and dishwashing soap will cause serious damage to the reservoir Only use detergents suitable for use in disinfecting washers Do not use detergents formulated for use in domestic dishwashers Load the machine...

Page 17: ...er the two programs Rinse and Drain are exempt from the electric door lock How to close the door Lift the door upward and push it until it clicks shut Do not press the release catch while shutting the door How to use the emergency release opening the door during a power failure The emergency release feature should only be used when it is not possible to open the door normally for example after a p...

Page 18: ...t you can provide the service technician with this information in the event of any service calls Please note the water hardness in the space provided here gr gal or ppm How to program the water softener Use the ON OFF button to switch off the machine Turn the program selector to the 12 o clock position f Simultaneously press and hold the Display ß and Start 6 buttons while turning the machine on w...

Page 19: ...40 50 70 90 110 130 140 160 180 200 220 230 250 270 290 310 320 340 360 380 400 410 430 450 470 490 500 520 540 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 560 580 590 610 630 650 670 680 700 720 740 760 770 790 810 830 850 860 880 900 920 940 950 970 990 1010 103...

Page 20: ...amage the water softener Before filling the reservoir always make sure that you are using reactivation salt Remove the bottom basket from the machine Unscrew the salt reservoir cap Before filling the salt reservoir for the first time fill the reservoir with approximately 2 5 liters of water so that the salt can dissolve properly Once the washer disinfector has been operated there will always be en...

Page 21: ...chine Note There may be a delay of a few minutes before the Rinse program starts this is normal It simply means the water softener is being reactivated as needed Refill Salt Indicator The water softener is automatically regenerated during the next program cycle The program display will show a Recharging during this process Add regeneration salt whenever the Refill salt indicator b Recharge is on W...

Page 22: ...n they rotate freely Is the filter combination free of coarse debris remove any coarse material and clean the coarse fine flat and micro fine filters as needed Is the basket adapter properly connected to the water supply for the spray arms and nozzles Are the process chemical dispensers filled After EVERY program completion conduct the following visual inspection Inspect the items for cleanliness ...

Page 23: ...er coverage Lightweight items should be secured with a cover net e g an A 6 and small items placed in a mesh tray to prevent them blocking the spray arms Baskets and inserts with an adapter must be properly connected The spray arms must not be blocked by items that are too tall or hang through the baskets To avoid corrosion only load stainless steel items in good condition Do NOT use this machine ...

Page 24: ...ove the adapter up to the proper height b Tighten down the locking ring c How to adjust the upper basket The upper basket can be adjusted above and below the middle position by 2 cm each Depending on the height selected and which inserts are used items of various heights can be arranged in the baskets To adjust the upper basket Pull the upper basket out as far as it will go lift it up off the runn...

Page 25: ... materials ordinance can be conducted without danger of infection Rhodium coated mirrors must be arranged so that their surfaces do not suffer any mechanical damage Not all glass coated mirrors are suitable for machine processing Lower basket U 874 2 for inserts e g E 130 and E 379 Lower basket U 874 2 for inserts e g E 131 1 for 5 filing trays with partitions E 146 or 5 filing trays for two sided...

Page 26: ...ated Find and correct the cause of the foaming The process must be checked regularly in order to detect any foaming See also the information on connected processing chemicals dirt and reactions between processing chemicals and dirt Corrosion in the stainless steel of the washing compartment and accessories has various appearances rust formation red spots stains black spots stains white spots stain...

Page 27: ...plastic components of the machine and its accessories Use only those processing chemicals recommended by Miele Technical Service or a Miele Application Specialist Perform regular visual inspections of all accessible elastomer and plastic components The following oxidizing processing chemicals can damage the elastomer components hoses and seals and the plastic components of the machine peracetic ac...

Page 28: ...ess creates little or no foam Observe the instructions of the manufacturer of the processing chemicals Antifoaming agents particularly silicone based antifoaming agents can cause the following deposits in the wash compartment deposits on the wash load damage to the elastomer and plastic components of the machine attack certain plastics e g polycarbonates plexiglass etc in the wash load Use antifoa...

Page 29: ...ted sulphuric acid chromic acid iron particles First rinse the load with a sufficient quantity of water Let the load drip dry before putting it on the mobile units baskets and inserts and placing them in the wash compartment reactions between processing chemicals and dirt Effect Action In combination with alkaline processing chemicals loads with soiling that contains proteins e g blood can cause e...

Page 30: ... into the reservoir and a pre set amount is dispensed automatically The rinse aid reservoir holds approximately 180 ml Inadvertently filling the rinse aid reservoir with detergent WILL damage the machine Be sure only to use rinse aid in the rinse aid reservoir Open the machine door Unscrew the reservoir cap Pour enough rinse aid into the reservoir until the level indicator see arrow is dark Use a ...

Page 31: ...splay Setting the rinse aid dosage The dosage adjuster has settings from 1 to 6 in other words 1 6 ml The factory setting is at 3 ml If the items show spots after washing adjust to a higher setting If the items show smearing or cloudy streaks after washing adjust to a lower setting Dispensing processing chemicals 31 ...

Page 32: ...hen a neutral enzymatic liquid detergent is used select a neutralizer that contains citric acid The neutralizer is automatically dispensed during the second rinse after the main wash cycle To function properly the neutralizer container must be filled and cleared of air primed For specific instructions on how to prime the system and set the dosage please read the section on Programming special func...

Page 33: ...alizer container The Neutralizer indicator light should turn off If the container has been allowed to run dry the light will not go out until the priming process is performed See priming the neutralizer dispensing system Be sure to refill exchange the container before it becomes completely empty Dispensing processing chemicals 33 ...

Page 34: ...y 10 5 liters of water flow into the machine To achieve a detergent concentration of approximately 3 g l use 30 g of detergent Always follow the detergent manufacturer s recommendations for dosage concentration Press the button on the dispenser cover The cover will pop open After a completed wash program the cover will already be open Load the detergent into the receptacle Snap the cover closed Af...

Page 35: ...container of detergent next to the machine See Programming functions to prime the dispensing system and set the dispensing amount When using liquid detergent the optional DOS Module K 60 must be used Refilling the liquid detergent Replace the current detergent container with a full one The indicator light should turn off If the container has been allowed to run dry the light will not go out until ...

Page 36: ...button will flash Select the additional Drying feature 0 Immediately once a program has been selected Drying can be selected as an additional feature except in the Rinse and Drain programs To do so Press the Drying 0 button The drying program is timed to run for 10 min The total program time is extended accordingly Press the Start 6 button The current program status will appear in the display and ...

Page 37: ...ete in the progress display is lit and the indicator light Start 6 goes out A 0 will appear in the middle of the display and all other indicators will come on and go out in sequence Simultaneously a buzzer will sound for approx 30 seconds standard setting The buzzer function can be changed see Programming special functions Use the Display ß button to view the total running time or current actual t...

Page 38: ...ng program has been selected Turn the program selector to the 12 o clock position f The program is cancelled after approx 2 seconds Open the door Exercise extreme caution as items in the machine may be hot Caution danger of scalding and burns Arrange items in a stable fashion take all necessary infection control measures and wear gloves If required replenish powder detergent Close the door Start t...

Page 39: ...nfection will need to be re validated The following instructions apply to all programming functions Activate the programming mode Turn the program selector to the 12 o clock position f Turn off the machine Simultaneously press and hold the Display ß and Start 6 buttons while turning on the machine by pressing the ON OFF button The current program status P appears in the display The Fill Drain indi...

Page 40: ...until E02 appears in the display E02 Turn the program selector to the Wash program Without DOS Module With DOS Module 10 10 sec dispensing time 1 00 1 0 dispensing concentration Press or hold down the Display ß button until the desired value appears in the display e g 0 50 0 50 The dispensing time dispensing concentration is now set Save to memory and exit programming mode as per page 35 Dispensin...

Page 41: ...ogramming mode as per page 35 Press the Drying 0 button until E02 appears in the display E02 Turn the program selector to the 1 o clock position d 1 Press the Display ß button The dispensing system will be primed automatically Priming is complete when 0 appears in the display Save to memory and exit programming mode as per page 35 Select the Rinse program and Start 6 button to run a rinse cycle Th...

Page 42: ...lay E02 Set the program selector to the 6 o clock position The programmed dispensing concentration appears in the display e g 0 10 0 10 Press or hold down the Display ß button until the required value appears in the display e g 0 20 0 20 The dispensing concentration is now set Save to memory and exit programming mode as per page 35 Dispensing concentration setting Setting Dosage Setting Dosage 10 ...

Page 43: ...ogramming mode as per page 35 Press the Drying 0 button until E02 appears in the display E02 Set the program selector to the 5 o clock position d 3 Press the Display ß button The dispensing system will be primed automatically Priming is complete when 0 appears in the display Save to memory and exit programming mode as per page 35 Select the Rinse program and Start 6 button to run a rinse cycle Thi...

Page 44: ...mple collection signal 26 Error Sample collection signal 27 End of program Error Sample collection signal Step Display Result Activate the programming mode as per page 35 Press the Drying 0 button until E04 appears in the display E04 Turn the program selector to the Wash program 21 Press or hold down the Display ß button until the required value appears in the display e g 26 26 Save to memory and ...

Page 45: ...33 Turn the program selector to a program Basic factory setting s Reprogrammed setting s 00 PP When PP appears in the display press the Display ß button 00 the factory settings have been restored Save to memory and exit programming mode as per page 35 The water softener has been restored to the factory settings Reprogramming is required see How to program the water softener Programmable functions ...

Page 46: ...isplay for each programme selector position when Level E34 is selected Step Display Result Press 0 repeatedly or hold it pressed in until E34 appears in the display E34 Wait approx 30 seconds before carrying out the next step The control unit is reading the current values Turn the programme selector to the position of the value you want to change e g the 4 o clock position to change the hours 10 P...

Page 47: ...4 6 bridge 7 8 CTS Printer initialization must only be performed by Miele Consult Technical Service using the contact information on that back of this manual During program operation a protocol is prepared It can be printed using an external printer The protocol contains the following information date and device number program start time and name rinse blocks used dosage system with dosage tempera...

Page 48: ...integrity door mechanics and seals connectors and fittings in the wash cabinet water inflow and outflow internal and external dosage systems spray arms filter combination collector with drain pump and non return valve all baskets inserts and modules steam condensor During maintenance the following function checks are run a program test run electrothermal measurement seals testing all safety relate...

Page 49: ...ors are also bound to such checks under the international standard EN ISO 15883 Routine checks Before each day s use the operator must conduct a series of routine checks A routine checklist is supplied with the washer disinfector The following items must be checked the filters in the wash cabinet the spray arms in the washer disinfector and on the baskets the wash cabinet and the door seals the do...

Page 50: ...d to be inspected on a daily basis and cleaned as needed The machine must NOT be operated without the filters in place Caution danger of injury from sharp objects such as glass shards needles etc Cleaning the coarse filter Squeeze the two tabs together then remove and clean the coarse filter Put the clean filter back into position and press until it clicks into place Machine care 50 ...

Page 51: ...lter and the micro fine filter Unscrew the micro fine filter by grasping the two tabs and turning two times counter clockwise Remove it together with the flat filter Clean the filters Re insert the filter combination in reverse order The flat filter must lie flat in the base of the wash cabinet Machine care 51 ...

Page 52: ... arms as follows Remove the baskets Upper basket or mobile unit spray arm if applicable Loosen the ring nut on the spray arm and remove the arm Metal nuts are threaded left Ceramic nuts are threaded right Unscrew the upper spray arm After loosening the ring nut remove the lower spray arm After cleaning re insert the spray arms and tighten down as needed After replacing the spray arms check to make...

Page 53: ... a stainless steel conditioner can be used after cleaning Do NOT use thinner or ammonium based cleaners They can damage the surface NEVER hose down the machine or the immediate vicinity e g with a water hose or pressure washer Cleaning the wash cabinet The wash cabinet is mostly self cleaning If you notice a build up of deposits please contact Miele Customer Service Cleaning the door seal To remov...

Page 54: ...rect height and firmly screwed on Are all spray jets spray sleeves and hose adapters securely attached to the basket insert Are all spray jets spray sleeves and hose adapters unclogged so that wash water can flow through Are all caps covers and fasteners securely attached to the spray sleeves For mobile units in the modular system are the caps in the module connection working properly if applicabl...

Page 55: ...Turn the machine back on and re start the program If the error occurs again and cannot be corrected contact Miele Customer Ser vice for advice You will need to provide the error code F Error Cause Solution The washer disinfector will not start The door is not properly closed Close the door firmly The machine is not plugged in Plug in the power cord The fuse is blown or the circuit breaker has trip...

Page 56: ...ontainer Then Switch the washer disinfector on Restart the program A few minutes after the start of a program the indicator light 8 Detergent flashes and the program stops Before addressing the error Turn the program selector to the 12 o clock position f The error message is erased Press the ON OFF button to switch off the machine Error message Fdo There is a problem dispensing the liquid detergen...

Page 57: ...ontainer Then Switch the washer disinfector on Restart the program A few minutes after the start of a program the indicator light Neutralizer flashes and the program stops Before addressing the error Turn the program selector to the 12 o clock position f The error message is erased Press the ON OFF button to switch off the machine Error message Fdo There is a problem dispensing the neutralizer Ref...

Page 58: ...es and the program stops Before addressing the error Turn the program selector to the 12 o clock position f The error message is erased Press the ON OFF button to switch off the machine Error message F E There is a problem with the water inflow Open the water valve completely Clean the filter in the water inlet The flow pressure at the water connection is too low Contact a qualified plumber for ad...

Page 59: ... in the drain hose Then Switch the washer disinfector on Drain the water Restart the program The water in the wash cabinet does not get hot the program sequence lasts too long Error message F01 F03 F18 F19 The washer disinfector is equipped with a temperature sensor that switches off the heater when it threatens to overheat Overheating can occur when e g large items cover the heating elements or w...

Page 60: ...ng the wash arm see How to interrupt a program A rattling noise can be heard in the wash cabinet Items are moving around in the wash cabinet Interrupt the program and re arrange the items that are loose see How to interrupt a program A knocking noise is coming from the water line This may be the result of the user having repositioned the water line or a too narrow water line Although this will not...

Page 61: ...se There are white deposits and or spots on the items The water softener setting is too low Test the tap water hardness and program the water softener accordingly There is no reactivation salt in the reservoir Carefully fill the reservoir with reactivation salt The screw cap on the reservoir is not firmly tightened Properly thread the cap and screw it tight The rinse aid setting is too low resulti...

Page 62: ...of soiling Use a suitable detergent for machine washing The items were left soiled for too long Do not leave soiled items unwashed for more than 6 hours A spray arm is blocked Always arrange the items such that the spray arms are not blocked Nozzles are blocked in the spray arms or inserts Check the spray nozzles and clean as needed The wash cabinet filters are dirty Check the filters and clean as...

Page 63: ... the wash cabinet are blocked If the display shows any of the following fault messages F01 F03 F18 F19 the water in the wash cabinet does not get hot the program sequence lasts too long take the following steps Remove the underlying cause Remove the service panel Press the re set button for the ther mostat on the right side of the plinth If the thermostat is triggered again please contact Miele Cu...

Page 64: ...ning clamp to the side Pull the non return valve up and out and rinse it under running water Caution Use proper eye protection when removing the non return valve The drain pump is located beneath the non return valve see arrow Before putting the non return valve back into place check that the drain pump is not blocked Carefully put the non return valve back into place and close the fastening clamp...

Page 65: ...ater Cleaning the filter Disconnect from the power supply Turn off the water supply and unscrew the water inlet hose Clean the large area filter 1 and fine filter 2 and replace with new filters if needed Put the filter and seal back into place and make sure they are sitting correctly Reconnect the water inlet valve to the water valve making sure it goes on straight Slightly open the water tap If t...

Page 66: ...fault occurs and cannot be corrected using these Operating Instructions please contact Miele Technical Service When contacting the Service department you will need to quote the model and serial number of your appliance This information can be found on the model plate see Electrical connection You will also need to report the fault message that appears in the washer disinfector display Correcting f...

Page 67: ...e or in a suitable space The space must be at least 60 cm wide and 60 cm deep Undercounter The washer disinfector can be installed under a continuous countertop The recess must be at least 60 cm wide 60 cm deep and 85 cm high Undercounter installation To install the machine under a continuous countertop the machine lid can be removed as follows Open the door Unscrew the left and right fastening sc...

Page 68: ...he countertop Depending on your requirements for installation contact Miele Customer Service for countertop protection kits The underside of the countertop is protected from steam damage by a stainless steel plate Decorative frame and decorative panel Option The front of the washer disinfector can be fitted with a decorative panel to match the cabinetry Decorative panels should only be exchanged i...

Page 69: ...ata plate or attached wiring diagram The machine must only be operated with the voltage frequency and fusing shown on the data plate The machine can be converted according to the supplied conversion diagram and wiring diagram The data plate is located on the rear of the machine behind the plinth on the plastic cover The wiring diagram is secured to the machine See the supplied installation diagram...

Page 70: ...25 60 psi If the water pressure is not in the range listed above the Fill Drain indicator may come on and the fault code F E will appear in the display If this occurs contact the Miele Technical Service Department for advice All inlet hoses are approx 5ft 1 5 m long ending with a 3 4 GHT female thread Under no circumstances should the inlet filters be removed Water valves with 3 4 thread are to be...

Page 71: ... rear side of the machine unconnected The DI water connection should not be hooked up or Y connected to any water source it should remain unconnected unless DI water is available The instructions below re program the unit to draw cold tap water for the final rinse instead of the DI water Access programming mode by pressing and holding the Display and Start buttons while simultaneously turning the ...

Page 72: ...d 1 m 3ft above the lower edge of the appliance If it is lower than 0 3 m lay the hose in a curve at a height of at least 0 3 m The drainage system must be able to handle a minimum drainage flow of 16 l min The drain hose is approx 1 4 m long and flexible internal diameter 22 mm It must not be shortened Use the supplied hose clamps to secure it into position Longer drain hoses up to 4 m can be ord...

Page 73: ... connection 0 25 60 psi 1 72 4 13 bar 0 25 60 psi 1 72 4 13 bar Drain height min 0 3 m 1 ft max 1 m 3 3 ft Room temperature 5 C 40 F to 40 C 104 F Relative humidity maximum linear decreasing to 80 for temperatures up to 31 C 50 for temperatures up to 40 C Altitude above sea level up to 1500 m 1640 yds Contamination level P2 as per IEC EN 61010 1 Ingress protection rating as per IEC 60529 IP20 ingr...

Page 74: ...ter out of the machine e g when a program has been interrupted or the Fill Drain indicator illuminates Turn the program selector to the Stop f position first Disinfection vario Recommended program for protein soils such as blood and tissue For cleaning and thermal disinfection at 93 C with 10 minutes holding time for stainless steel instruments Disinfection 93 C 10 For thermal disinfection and cle...

Page 75: ... Drying extra program X X Cleaning 60 C 3 X X Rinse 65 C 1 DI DOS 2 X X X X Cleaning 55 C 5 X DOS 3 X X Rinse and Disinfection 93 C 10 DI DOS 2 X X Disinfection 93 C 10 X DOS 3 X Rinse 75 C 3 DI DOS 2 X X Sections included in a program with temperature temperature holding time DOS 2 For dispensing rinse aid DOS 3 For dispensing neutralizer DI Deionized water Program guide 75 ...

Page 76: ...M Nr 07 778 581 01 0366 Subject to change without notice Publication date 01 05 2011 ...

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