Miele PLW 6011 Operating instructions
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Operating instructions
Lab washers
PLW 6011
PLW 6111
Read the operating instructions carefully before
installing and using the machine. This will help
protect users from personal injury and help
revent damage to the machine.
en – U
CONTENTS
Contents
1. GENERAL RULES ..................................................................................................... 6
1.1Limitation of liability ............................................................................................................... 6
1.2Validity, content and storage ................................................................................................ 6
2. PRODUCT INFORMATION ....................................................................................... 7
2.1Appropriate use ...................................................................................................................... 8
2.2Safety instructions and warnings ......................................................................................... 9
Appropriate use .................................................................................................................... 9
Risk of injury ......................................................................................................................... 9
Quality assurance ............................................................................................................... 11
Safety with children ............................................................................................................ 12
Using accessories .............................................................................................................. 13
Disposing of your old appliance ......................................................................................... 13
Warning signs ..................................................................................................................... 13
2.3Technical data ...................................................................................................................... 14
2.4Recommendations for proper operation ........................................................................... 15
2.5Training .................................................................................................................................. 16
User profiles ........................................................................................................................ 16
3. INSTALLATION ....................................................................................................... 17
3.1Water connection ................................................................................................................. 17
Water quality ....................................................................................................................... 17
Information: ......................................................................................................................... 18
3.2Electrical connection ........................................................................................................... 19
4. BUILT-IN WATER SOFTENER (OPTIONAL) .......................................................... 20
4.1Salt refill indicator ................................................................................................................ 20
4.2Refilling the salt .................................................................................................................... 21
5. DISPENSING ........................................................................................................... 22
5.1Fill level sensor ..................................................................................................................... 22
5.2Dispensing quantity control ................................................................................................ 22
5.3Refilling process chemicals ................................................................................................ 22
5.4Caution! ................................................................................................................................. 23
6. OPERATION ............................................................................................................ 24
6.1Checking consumption ........................................................................................................ 24
6.2Opening and closing the door ............................................................................................. 24
Emergency release ............................................................................................................. 25
6.3Switching on ......................................................................................................................... 26
6.4Preparation ........................................................................................................................... 26
Checks after a programme ................................................................................................. 27
7. CONTROL PANEL AND SYMBOLS USED ............................................................ 28
7.1Control panel ........................................................................................................................ 28
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CONTENTS
7.2Buttons .................................................................................................................................. 29
Buzzer ................................................................................................................................. 29
7.3Display ................................................................................................................................... 30
8. PROGRAMMES ....................................................................................................... 33
8.1Programme blocks ............................................................................................................... 34
8.2Programme overview ........................................................................................................... 35
8.3Starting the programme ...................................................................................................... 39
9. MACHINE STATUS ................................................................................................. 40
9.1Ready for operation ............................................................................................................. 40
9.2Programme ........................................................................................................................... 40
9.3Malfunctioning ...................................................................................................................... 40
9.4Power failure ......................................................................................................................... 41
9.5Reset ...................................................................................................................................... 41
10. MENU ....................................................................................................................... 42
10.1Accessing the menu ............................................................................................................. 42
10.2Parameter settings ............................................................................................................... 43
10.3Parameter list ....................................................................................................................... 43
11. CLOCK ..................................................................................................................... 44
12. BUZZER ................................................................................................................... 44
13. HISTORICAL DATA (batch protocols) ................................................................... 44
13.1Outputting batch protocols retrospectively ...................................................................... 44
External software ................................................................................................................ 44
14. WARNINGS AND EVENTS LIST ............................................................................. 45
14.1Warnings list ......................................................................................................................... 45
14.2List of display messages ..................................................................................................... 47
15. USB port (optional) ................................................................................................. 48
16. Process documentation ......................................................................................... 49
16.1Serial interface ...................................................................................................................... 49
16.2User administration .............................................................................................................. 49
16.3USB port ................................................................................................................................ 49
17. MAINTENANCE ....................................................................................................... 50
17.1General recommendations on maintenance ..................................................................... 50
Machine status ................................................................................................................... 50
Safety systems ................................................................................................................... 50
Procedure ........................................................................................................................... 50
Decontamination procedures ............................................................................................. 50
17.2Maintenance reminder ......................................................................................................... 51
17.3Routine maintenance ........................................................................................................... 51
17.4Table of routine maintenance tasks ................................................................................... 51
17.5Drying air filtration ................................................................................................................ 56
17.6Special maintenance ............................................................................................................ 56
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CONTENTS
Table of special maintenance work .................................................................................... 56
18. PROBLEMS – CAUSES – Remedy ......................................................................... 57
18.1Introduction ........................................................................................................................... 57
18.2Problem (P) – Cause (C) – Remedy (R) ............................................................................... 57
19. DISPOSING OF YOUR OLD MACHINE ................................................................. 58
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GENERAL RULES
1. GENERAL RULES
The washer-disinfector is generally referred to as “the machine” in these operating instructions.
Reprocessable laboratory glassware and utensils are referred to as “load items” if they are not
more closely defined.
1.1 Limitation of liability
The manufacturer shall not be held liable for faults or problems which arise due to tampering or
incorrect or improper use/operation of the machine.
The operator must comply with all instructions set forth in the operating instructions, most
notably:
Always consider the intended use of the machine
Always carry out the required maintenance work
Use of the machine should be limited to persons who have been properly trained and
instructed on the use of the machine
Use only original spare parts
Any modifications, adaptation or similar which may be made to machines which are subsequently
placed on the market do not oblige the manufacturer to intervene on previously supplied
machines, nor to consider the related operating instructions lacking and inadequate.
The operating instructions on the following pages are designed to guarantee the longevity and
functionality of your machine.
The instructions in this manual do not replace, but rather supplement employer requirements to
adhere to current legislation on standards of prevention and safety.
1.2 Validity, content and storage
It is important to keep this instruction manual with the machine for future reference.
If the machine is sold or transferred, the manual must be handed over to the new owner or users
so that they can become acquainted with its functioning and the relevant safety instructions and
warnings.
Read the warnings carefully before installing and using the machine.
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2. PRODUCT INFORMATION
Before starting work, the user must be completely familiar with the functions and proper operation
of the machine. The user must know the precise functions of all command and control devices of
the machine.
PRODUCT INFORMATION
PLW 6011 PLW 6111
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PRODUCT INFORMATION
2.1 Appropriate use
This machine is used to reprocess laboratory glassware and laboratory utensils using water. The
process includes cleaning, rinsing and, where required, disinfection and drying. Due to the wide
variety of laboratory glassware and laboratory utensils on the market, it may be necessary in some
cases to establish whether the item is suitable for reprocessing in a washer-disinfector.
This will depend on its use and the type of soiling present as well as the disinfection parameters.
Please refer to the information provided by the manufacturer of the laboratory glassware and
laboratory utensils.
Laboratory glassware and laboratory utensils suitable for reprocessing include:
Vessels such as test tubes, beakers, flasks, cylinders, etc.
Measuring vessels such as measuring cylinders, pipettes, volumetric flasks, etc.
Dishes such as Petri dishes, watch glasses, etc.
Plates such as slides, sequencing plates, etc.
Small items such as lids, spatulas, magnetic stirring rods, stoppers, etc.
Other items such as funnels, pipe/hose pieces, etc.
EXAMPLES OF APPLICATION AREAS:
Laboratories in schools, colleges and universities
Research, quality assurance, development, technology and production
Different areas of inorganic, organic, analytical and physical chemistry
Biology, microbiology and biotechnology
Hospital laboratories
Reprocessing conditions must be suitable for the load and for the type of soiling. Process
chemicals must be suitable for the type of soiling and for methods of analysis being used.
The use of a suitable load carrier (mobile unit, basket, module, insert, etc.) is important to ensure
adequate reprocessing of the load.
The machine can be qualified for process validation.
The machine fulfils the requirements of the EU Machinery Directive 2006/42/EC.
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CAUTION
Inappropriate use can lead to personal injury and damage to property.
Miele cannot be held liable for damage caused by improper or incorrect use or
operation of the machine.
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2.2 Safety instructions and warnings
This machine complies with all statutory safety requirements. Inappropriate use can lead to
personal injury and damage to property.
Read the operating instructions carefully before using this machine. This will prevent both
personal injury and damage to the machine.
Keep these instructions in a safe place where they are accessible to users at all times.
Appropriate use
Use of the machine is only approved for the applications stated in the operating instructions.
Alterations or conversion of the machine, or using it for purposes other than those for which it was
intended, are not permitted and could be dangerous.
The cleaning and disinfection processes are only designed for laboratory glassware and utensils
which are designated as reprocessable by the manufacturer. The information provided by the
manufacturer of the load items must be observed.
Miele cannot be held liable for damage caused by improper or incorrect use or operation of the
machine.
This machine is intended for indoor use only.
PRODUCT INFORMATION
Risk of injury
Please pay attention to the following notes to avoid injury
Customer Service Department or a suitably qualified service technician. A Miele service contract
is recommended to ensure full compliance with GLP guidelines. Incorrect repairs can cause
considerable danger to users.
conditions.
furniture and fittings that are designed for use in commercial environments.
protective gloves when transporting and setting up the machine.
essential that this standard safety requirement is observed and regularly tested. If in any doubt,
please have the electrical installation inspected by a qualified electrician. Miele cannot be held
liable for the consequences of an inadequate earthing system (e.g. electric shock).
or leaking machine immediately and contact the Miele Customer Service Department.
Untrained personnel must not be allowed access to the machine or its controls.
application. The manufacturer of the process chemicals is liable for any negative influences on the
material of the load and the machine.
toxic.
The relevant safety regulations and safety data sheets issued by the process chemical
manufacturers must be observed.
Wear gloves and protective goggles.
The machine may only be installed, commissioned, repaired and maintained by the Miele
Do not install the machine in an area where there is any risk of explosion or of freezing
In order to reduce the risk of water damage, the area around the machine should be limited to
With some metal parts, there is a risk that you may be injured or cut. Wear cut-resistant
The electrical safety of the machine can only be guaranteed when it is correctly earthed. It is
A damaged or leaking machine can pose a threat to your safety. Always switch off a damaged
Machine operators must be instructed on the use of the machine and trained regularly.
Only use process chemicals which have been approved by their manufacturer for the relevant
Take care when using process chemicals. Some chemicals may be caustic, irritating and
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PRODUCT INFORMATION
The machine is only designed for use with water and appropriate process chemicals. The use
of organic solvents or inflammable liquids is not permitted.
This could cause an explosion or damage rubber or plastic components in the machine and cause
liquids to leak out.
The water in the wash chamber must not be used as drinking water.
Do not lift the machine by protruding parts such as the door handle or the opened service flap
as these could be damaged or torn off.
Do not sit or lean on the opened door. This could cause the machine to topple over and
become damaged or cause you an injury.
Be careful when sorting items with sharp, pointed ends. Position them in the machine so that
you will not hurt yourself or create a danger for others.
Broken glass can result in serious injury when loading or unloading. Broken glass items must
not be processed in the machine.
Please be aware that the machine may be operating at high temperatures. Deactivating the
lock to open the door can result in a risk of burning or scalding, or contact with corrosive
substances. Where disinfectant is in use, there is also a risk of inhaling toxic vapours.
Should personnel accidentally come into contact with toxic vapours or process chemicals,
follow the emergency instructions given in the manufacturer's safety data sheets.
Load carriers such as baskets, mobile units and inserts must be allowed to cool down before
they are unloaded. Any water remaining in containers could still be very hot. Empty this water into
the wash chamber before removing items.
Never clean the machine or near vicinity with a water hose or a pressure washer.
The machine must be disconnected from the power supply before any maintenance or repair
work is carried out.
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Quality assurance
The following points should be observed to assist in maintaining quality standards when
reprocessing laboratory glassware and utensils and to avoid damage to the loads being
cleaned.
Only authorised personnel may interrupt a programme in exceptional circumstances.
It is the responsibility of the operator to demonstrably ensure reprocessing standards in
routine operation. Process results must be inspected and documented on a regular basis.
For thermal disinfection, use temperatures and temperature holding times to achieve the
required infection prophylaxis in accordance with current health and safety regulations.
Only reprocess undamaged and suitable items. When washing plastic items, ensure that they
are thermally resistant. Nickel-plated items and items made of aluminium require special
procedures and are not generally suitable for machine reprocessing. Ferrous materials that can
rust or corrode must not be introduced into the wash chamber as wash items or soiling.
Under certain circumstances, process chemicals may damage the machine. Users are urged
to follow the recommendations issued by manufacturers of process chemicals. Contact Miele in
the event of damage and any suspicion of material incompatibility.
Cleaning agents containing chlorine can damage the elastomers of the machine.
If cleaning agents containing chlorine have to be used, a maximum temperature of 70 °C in the
“Main wash” programme blocks is recommended (see programme chart).
Abrasive substances should not be introduced into the machine as these could cause
damage to mechanical components in the water circuit. Abrasive residues on the load must be
removed completely before reprocessing.
Pre-treatment with cleaning or disinfecting agents, some types of stains and the interaction of
certain process chemicals can create foam. Foam can have an adverse effect on the disinfection
and cleaning result.
Reprocessing should not result in foam being discharged from the chamber. Foam discharge
can compromise the operation of the machine.
The process used must be monitored on a regular basis by the operator to check foaming
levels.
Even when a process chemical, e.g. detergent, is recommended, Miele takes no responsibility
for the effect of such chemicals on the load items. Please note that changes in product
formulation, storage conditions, etc., which are not announced by manufacturers of process
chemicals may impair the quality of cleaning results.
Always follow the relevant manufacturer's instructions on storage and disposal of process
chemicals.
In critical applications where very stringent requirements have to be met, it is strongly
recommended that all the relevant factors for the process, such as detergents, water quality, etc.,
are discussed with Miele.
If the cleaning result is subject to particularly stringent requirements (e.g. chemical analysis),
regular quality control should be carried out by the operator to ensure that required standards of
cleanliness are being achieved.
Load carriers such as mobile units, baskets and inserts which hold the load must be used only
as intended.
Lumened items must be thoroughly cleaned, internally and externally.
Secure small and light items with cover nets or place in a mesh tray for small items, so that
they do not block the spray arms.
Empty any containers or utensils before loading them.
The amount of residual solvents on items going into the wash chamber should be minimal.
There should be no more than a trace of any solvents with a flash point of below 21 °C.
PRODUCT INFORMATION
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PRODUCT INFORMATION
Chloride solutions, in particular hydrochloric acid, or ferrous materials that can rust or corrode
must not be placed in the chamber.
Ensure that solutions or steam containing chlorides or hydrochloric acid do not come into
contact with the stainless steel outer casing of the machine in order to avoid any damage through
corrosion.
After any plumbing work, the water pipework to the machine will need to be vented. If this is
not done, machine components can be damaged.
The gaps between a built-in machine and adjacent cabinetry must not be sealed, e.g. with
silicone sealant, as this could compromise ventilation of the circulation pump.
Follow the installation instructions in the operating and installation instructions.
Safety with children
Children should be supervised in the vicinity of the machine. Do not allow children to play with
the machine. There is a danger that children might shut themselves in the machine.
Children must not use the machine.
Keep children away from process chemicals. These contain irritant and corrosive ingredients
which can cause burning in the eyes, mouth and throat, or inhibit breathing. It is therefore
important to keep children away from the machine when the door is open. There could still be
residual process chemicals in the machine. Observe the safety data sheets for the process
chemicals and seek medical advice immediately if a child has swallowed process chemicals or
got them in their eyes.
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Using accessories
Only use genuine Miele original spare parts and accessories suitable for the application they
are required for. Model designations are available from Miele.
Only use Miele load carriers, such as mobile units, baskets, modules and inserts. Using
mobile units, baskets and inserts made by other manufacturers or making modifications to Miele
accessories can result in an unsatisfactory cleaning and disinfection result. Any resultant damage
would not be covered by the warranty.
Disposing of your old appliance
Please note that the machine may contain contamination from blood and other bodily fluids,
pathogens, facultative pathogens, genetically modified material, toxic or carcinogenic substances,
heavy metals, etc., and must be decontaminated before disposal.
For environmental and safety reasons, dispose of all process chemical residues in accordance
with safety regulations. Wear gloves and protective goggles.
Make the door lock inoperable, so that children cannot accidentally shut themselves in. Then
make appropriate arrangements for safe disposal of the machine.
PRODUCT INFORMATION
Warning signs
To inform operating personnel of their obligations and to warn of residual risks, the machine is
equipped with safety labels in accordance with the relevant legislation.
General warning signs
Caution!
Danger of electric shock!
Observe the operating
The evaluation of risks for the health and safety carried out on-site, as well as the evaluation of
residual risks, determine the safety equipment which the supervisor must provide for the user.
Miele cannot be held liable for damage or injury caused by non-compliance with the safety
instructions and warnings.
Caution!
instructions!
Caution!
Hot surfaces!
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PRODUCT INFORMATION
2.3 Technical data
Width (mm) 650 650
Depth with closed door (mm) 660 687
Height (mm) 1685 1840
Total weight (kg) 185 236
Average sound pressure level < 70 dB(A)
PLW 6011 PLW 6111
Protection rating (according to
IEC 60529)
Backflow preventer
(according to EN 1717)
Operation Temperature range +5 to +40 °C
Storage and transportation conditions -5 ... +50 °C
Overvoltage category
(according to IEC EN 60664)
CE mark 2006/42/EC Machinery Directive
Manufacturer address Steelco S.p.A
IP 21
The hexagonal symbol indicates that the equipment is
provided with a backflow preventer; the two letters
inside the hexagon indicate the protection family and the
protection type of that family. (EN 1717)
AA – Air gap not limited
Relative humidity range 20 to 90 % without
condensation
Maximum altitude: 2000 m (special versions of the
device are available for higher altitudes)
20 % to 90 % without condensation
500 hPa to 1060 hPa
II
Via Balegante, 27
31039 Riese Pio X (TV), Italy
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PRODUCT INFORMATION
2.4 Recommendations for proper operation
The user must supervise the machine during operation.
Only use process chemicals which have been approved by their manufacturer for the
relevant application. The manufacturer of the process chemicals is liable for any negative
influences on the material of the load and the machine.
To prevent contact with contaminated material, appropriate personal protective equipment
must be worn during reprocessing.
Do not reprocess items containing substances which, in accordance with the current
legislation, must not be discharged into the sewage system. These substances must be
disposed of separately.
Recommending process chemicals does not render the manufacturer responsible for any
damage to processed materials and objects.
Follow the manufacturer’s instructions (in compliance with EN ISO 17664) as well as
national requirements and guidelines relating to the machine-based reprocessing of load
items.
The machine is designed for use with water and process chemicals.
The use of organic solvents or inflammable liquids is not permitted as there is a risk of
explosion. Such substances can result in premature wear on components.
Solvent residues, chloride solutions and acids, particularly hydrochloric acid, can damage
steel components and must not be introduced into the wash chamber.
Do not use powder cleaning agents.
Do not use domestic detergents.
Accessories which are not approved by the manufacturer may compromise reprocessing
results as well as user safety.
The user must carry out a general check-up and clean the appliance regularly as indicated
in the maintenance instructions.
Carry out a visual check of the load for cleanliness.
The on-site stopcock must be easily accessible so that the inlet can be turned off when not
in use.
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PRODUCT INFORMATION
2.5 Training
Instructions for use of the machine will be provided by the Miele Customer Service Department or
an authorised service technician during machine commissioning.
It is the duty of the supervisor to ensure that users are sufficiently trained and instructed.
User profiles
User profiles are identified as follows:
SERVICE Service technician:
The machine may only be installed, commissioned, repaired and maintained by the
Miele Customer Service Department or an authorised service technician.
ADMIN Responsible for the machine in the workplace:
More advanced tasks, e.g. interrupting or cancelling a programme, require more
detailed knowledge of machine reprocessing of laboratory glassware and utensils.
Alterations or adaptations of the machine, e.g. to accessories used or on-site
conditions, require additional specific knowledge of the machine.
Validation processes assume specialist knowledge about machine reprocessing of
laboratory glassware and utensils, the processes involved and applicable standards
and legislation.
User User:
Users must be instructed in operating and loading the machine and trained
regularly to guarantee safe daily use.
They require knowledge of machine reprocessing of laboratory glassware and
utensils.
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3. INSTALLATION
3.1 Water connection
Water quality
The quality of the water used in all the cleaning stages is essential in achieving good results.
The water must be compatible with the material from which the machine is made.
The water must be compatible with process chemicals.
The water must be compatible with process requirements for the various stages of the
process.
In order to achieve good reprocessing results, the machine requires a supply of soft water with a
low calcium content. Hard water results in the build-up of calcium deposits on the load and in the
machine.
Water with a hardness level higher than 0.7 mmol/l (4 °dH – German scale) must be softened. This
occurs automatically during a programme sequence on machines with a built-in water softener
(option ex works). The water softener must be set to the exact hardness of the water supply.
The water softener must be reactivated at regular intervals. This requires the use of special
reactivation salt. Reactivation is carried out automatically during a programme sequence.
Softened water must be provided on site for machines without a built-in water softener.
INSTALLATION
Note: The water hardness is set by the Miele Customer Service Department.
CAUTION
Water from the chamber is not suitable for drinking!
The machine must be connected to the water supply in strict accordance with local regulations.
The water used must comply with European regulations for drinking water quality as a minimum. If
the water supply has a high iron content, there is a danger of corrosion occurring on items being
cleaned in the machine, as well as the machine itself. If the chloride content of the water exceeds
100 mg/l, the risk of corrosion to the load in the machine will be further increased.
In certain regions (e.g. mountainous areas), the water composition may cause precipitates to form,
requiring the use of softened water in the steam condenser.
The machine is supplied as standard for connection to cold water (blue coded hose) and hot
water up to max. 60 °C (red coded hose). Connect the inlet hoses to the valves for cold and hot
water.
If no hot water supply is available, the red coded inlet hose for the hot water connection must also
be connected to the cold water supply.
The minimum flow pressure for cold water, hot water and DI water connections is 100 kPa.
The recommended flow pressure is ≥ 200 kPa for the cold and hot water connections and
≥ 200 kPa for the DI water connection in order to avoid excessively long water intake times.
The maximum permissible static water pressure is 800 kPa.
A booster pump is required if the flow pressure is below 100 kPa. If the pressure is higher than
800 kPa (8 bar), a pressure reducer must be installed.
If water pressure is not within the specified range, contact the Miele Customer Service
Department or an authorised service technician for advice.
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INSTALLATION
A stopcock valve with a ¾” male threaded union must be provided on site. The valve should be
easily accessible, since the water supply should be shut off whenever the machine is not in use.
CAUTION
Do not overtighten the threaded unions on the hoses.
Information:
If no hot water supply is available, the red coded inlet hose for the hot water connection
must also be connected to the cold water supply.
A Y-piece can be used to connect both hoses to the cold water supply.
Miele cannot be held liable for damage or injury caused by non-compliance with the safety
instructions and warnings.
Non-compliance with the above conditions will render the warranty invalid.
CAUTION
When the machine is not in operation, always close the stopcocks.
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