Do I need to carry out periodic testing on my W&H Sterilizer?

All W&H sterilizers features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines.

Who should I use to carry out validation and maintenance on my Lisa/Lina?

All validation and maintenance should be undertaken by the Competent Person (Decontamination) or Competent Person (maintenance).

Does my Lisa/Lina need to be commissioned from new?

Yes, validation is needed for new equipment at installation and annually thereafter. It will also be necessary to validate equipment after any major repairs have been carried out.

How long should I Keep periodic test records?

Under current national decontamination guildance, all audit documents should be stored for at least two years and they should not be removed from the premises or destroyed.

Do I need to document the results of all periodic tests?

Yes, all tests performed by the operator or user should be recorded in a logbook with the date and signature of the individual how carried out the test. Every Sterilizer and every thermo washer disinfector should have a logbook (file) in which test details pertaining to the lifecycle of the equipment (from purchase - disposal) are recorded. A logbook is provided as standard with the Premium Careplus Service Contract from W&H, or as an optional extra with the Premium Care Service Contract.

Validation is a series of tests carried out with the use of independent specialist test equipment, as is necessary to demonstrate that the physical conditions required for sterilization, thermal disinfection and/or cleaning (i.e. temperature, pressure, time) are achieved.

How often should I de-scale my Thermoklenz?

Water hardness can differ depending of the region in which the unit is located. Carrying out a water hardness test will enable you to gauge how hard the incoming water is. The frequency of de-scaling cycles will depend on the water hardness and the number of cycles run per week. W&H recommends that at least one de-scaling cycle be run each week. More frequent de-scaling cycles should be run if the washer disinfector has a heavier workload or if the water is hard. Additional information relating to these tests and how to carry out these tests can be found on the Video Tutorial section of this web site.

What water quality should I use with my Lisa/Lina?

The water quality for sterilizers is internationally specified by standards and directives. The reasons for this are that your sterilizer can be seriously damaged by it or the sterilization can be jeopardised. Consequently, only water with conductivity of less than 10 µS/cm in North America and 15 µS/cm for the rest of the world should be used for your W&H sterilizer. The Water treatment devices Multidem and Osmo are especially designed to prepare suitable water (see chapter “Water quality” in the Instructions for Use).

How do I clean the water tanks and what products should I use?

Water tank cleaning instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this website.

How do I change consumable components on my sterilizer?

Consumable replacement instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this website.

Should I pre-wrap and how long can I store my instruments after sterilization?

Under current UK decontamination guidance, with a type B vacuum cycle, instruments should be pre-wrapped and once sterilized can be stored for up to 12 months. Wrapping should take place shortly after washing and disinfection. Under current UK decontamination guidance, with a type N cycle, instruments should not be pre-wrapped. Once sterilized, instruments can be immediately aseptically wrapped and stored for up to 12 months. Instruments should always be dry before they are placed in the purpose-designed packaging.

Lisa 17/22 At the end of the cycle, there is residual water in the chamber

POSSIBLE CAUSE Sterilizer not properly levelled SOLUTION Properly level the surface the sterilizer is placed on. POSSIBLE CAUSE Overloaded chamber SOLUTION Comply with the maximum load weight limits for each type of load. Always use the chamber rack for trays and cassettes. POSSIBLE CAUSE Chamber filter clogged SOLUTION Remove and clean the chamber filter. POSSIBLE CAUSE Chamber filter cap mispositioned SOLUTION Mount the chamber filter cap properly (see chapter MAINTENANCE) POSSIBLE CAUSE Load incorrectly placed SOLUTION Follow the recommendations as listed in ANNEX 2.

Lisa 17/22 Water is leaking at the front of the sterilizer

POSSIBLE CAUSE Leaks through the chamber door seal SOLUTION Clean or replace the door seal. Clean the chamber face side. POSSIBLE CAUSE Internal leak. SOLUTIONS Call technical service.

Lisa 17/22 The sterilizer remains switched OFF.

POSSIBLE CAUSE The main switch or network circuit breaker is OFF SOLUTION Activate the main switch or network circuit breaker (ON). POSSIBLE CAUSE No voltage at the socket SOLUTION Check the electric circuit. POSSIBLE CAUSE The power cord is not connected properly SOLUTION Check and connect the power cord properly.

Lisa 17/22 The sterilizer enters into “Sleep mode” immediately after opening the chamber door.

POSSIBLE CAUSE The chamber door has not been opened after the previous cycle had finished and the “Sleep mode delay” has expired SOLUTION Press the SLEEP MODE button to exit”.

Lisa 17/22 When starting a cycle, the chamber door locks but re-opens immediately. The “Open the door” message appears.

POSSIBLE CAUSE Door seal not properly placed; seal sticking out SOLUTION Ensure that the door seal is correctly inserted around the whole circumference. POSSIBLE CAUSE Door jammed by external objects or by the load itself SOLUTION Remove any objects interfering with the chamber door. Check that the door does not push against the load or the chamber furniture.

Lisa 17/22 Corrosion or spots on instruments

POSSIBLE CAUSE Tap water on instruments when placed in the sterilizer SOLUTION Ensure that instruments are dry before they are placed in the sterilizer. POSSIBLE CAUSE Use of water of poor quality or water containing chemical substances SOLUTION Drain both water tanks. Use water of good quality (see ANNEX 7). POSSIBLE CAUSE Organic or chemical residues on the instruments SOLUTION Clean, rinse and dry instruments before placing them in the sterilizer (see ANNEX 2). POSSIBLE CAUSE Chamber, trays, tray rack dirty SOLUTION Clean the chamber and wash the chamber furniture POSSIBLE CAUSE Contact between instruments of different materials SOLUTION Ensure that instruments of different materials do not touch (aluminum, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (refer to ANNEX 2). POSSIBLE CAUSE Scale deposits on the chamber SOLUTION Clean the chamber and use water of good quality (refer to ANNEX 7).

Lisa 17/22 No cycles are stored in the cycle history menu

POSSIBLE CAUSE An electronic board was replaced by service. SOLUTION None. The memory of the old board cannot be restored. Save periodically the history on the USB pen drive.

Lisa 17/22 The sterilization (PROCESS) phase of a sterilization cycle was longer than expected.

POSSIBLE CAUSE The chamber temperature dropped below the minimum threshold and the software performed a successful recovery. SOLUTION Wait for cycle completion. If the problem occurs frequently, call technical service.

Warning about saving to the USB (HTML and SCL files).

The USB drive is disconnected or full. SOLUTION Check presence and condition of the USB drive. If the problem persists, contact an authorised W&H service partner.

Lisa 17/22 The cycle report printer does not work.

POSSIBLE CAUSE Printer not properly connected or not powered SOLUTION Check the data and the power connection to the printer.

Lisa 17/22 Warning about programmed maintenance.

POSSIBLE CAUSE A component shall be replaced for the programmed maintenance of the sterilizer. SOLUTION Call service to order the requested component (door seal, dust filter, bacteriological filter...). See “Maintenance” chapter..

Lisa 17/22 When the sterilizer is connected to an automated water supply system: there is no clean water in the tank, but the automatic water filling does not fill the water.

POSSIBLE CAUSE Water fill system not connected SOLUTION Connect the water fill system to the sterilizer (see ANNEX 7 for water quality requirements). POSSIBLE CAUSE When the water fill system attempted to fill the tank, water was temporarily unavailable SOLUTION Since water tank filling is attempted only once in-between cycle execution, this event inhibits water feeding. Switch the sterilizer OFF and then ON again. Check the external water supply system. Check for water leaks from the sterilizer. POSSIBLE CAUSE Faulty MIN water level sensor in the clean water tank SOLUTION Call service.

Lisa 17/22What is the maximum noise level of the sterilizer?

The maximum running noise level of 58.5 dB(A)ensures a quiet, comfortable working environment.

What should I do if I get a Warning about consumable replacement?

Order the requested consumable (door seal and HEPA/bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.

What is the maximum noise level of the Lisa sterilizer?

The max. noise level of Lisa 2019 is 64.3 dB.

Lisa sterilizer

Name: The new generation of Lisa water steam sterilizers
Brand: W&H

Incredible inside & outside

The Lisa sterilizers – built for highest demands: incredibly user-friendly thanks to EliSense information system via LED indicators and display. Incredible complete traceability down to the single instrument or instrument-kit thanks to EliTrace. Incredibly efficient thanks to the patented Eco Dry + Technology.

AR/3-D

System overview

Lisa
Technical data

The Lisa sterilizers

From the outside
Smooth surfaces, a fresh, ergonomic design – and an incredibly crystal clear colour display. The menu structure and the artificial intelligence behind it turns high end B type sterilizing into one of the most simple, comfortable and safest systems in the world. For full infection control within your daily work.

From the inside
So many elements, so much incredible technology and so many parts, completely integrated, in the right place and ready to serve and fulfil the daily requirements of a high end B type sterilizer!
Incredible thanks to
- EliSense: Thanks to LED indicators and display the outstanding technology offers cycle status information, temperature information and much more to optimize both workflow and output at a glance.
- EliTrace: For the first time, the sterilization process can be traced and documented down to the individual instrument or instrument kit. Without additional software or computer.
- Eco Dry+: Eco Dry technology adapts the drying time to the mass of the load. This reduces the cycle time, increases the life span of your instruments and optimizes the energy consumption.
- Intuitive interface
- Perfect ergonomics
- New environmentally friendly packaging
 The new environmentally friendly packaging is completely reusable and recyclable. Plastic components were reduced to a minimum. For 99% of its weight, the new package is made of cardboard and other fully biodegradable substances.
EliSense

Status Sense, Temperature Sense, Smart Sense: three incredible features, combined into EliSense.

Cycle status information, temperature information and all information to optimize both workflow and output at a glance.

EliSense Status Sense
Shows you the cycle status of your sterilizer.

EliSense Status Sense

All the information you need at a glance:

Cycle in progress
The green lights flash.

Cycle finished
The green lights are static.

Cycle Stop
Occurs every time you manually stop during the cycle. The red lights flash.

Cycle Stop finished
The cycle error or manual stop has finished. The lights are static.

Chamber temperature cold
The load can be handled. The blue lights are static.

EliSense Smart Sense
Tells you what your sterilizer needs.

EliSense Smart Sense

Tells you:

› When to replace Multidem

› How to optimize drying

› When it is possible to perform the vacuum test based on the temperature of the chamber

› When the next tests depending on local legal requirements are needed

EliSense Temperature Sense
Makes your work safer.

EliSense Temperature Sense

EliSense doesn´t only care for the well-being of the sterilizing process but also of yours: by warning you if you have already opened the door, but the load is still too hot to be touched without gloves or a tray holder.

EliTrace

A high standard of hygiene is the hallmark of every dental practice. With the Lisa sterilizers this standard is now being further optimized. EliTrace is the new enhanced documentation system which offers for the first time full traceability down to the single instrument or set without any extra software or computers. The result: a high level of safety for practices and patients.

Step 1
Create database

Step 1 Create database

Create your instrument database directly on Lisa, on your smart device via W&H Steri app or PC.

Step 2
Labelling and loading

Step 2 Labelling and loading

Stick the related pre-printed QR code labels on each pouch before loading and make the link cycle-instrument.

Step 3
Load release and status check

Step 3 Load release and status check

After the sterilization cycle, scan directly via W&H Steri App to check the status.

Extended documentation

The Lisa offers the possibility to trace back to the single instrument without any paper handling, dedicated computer or software.
- High capacity data logger
 
 The high capacity USB drive automatically records the cycle reports for the entire life of Lisa.
- Customized to your needs
 
 Lisa’s traceability menu offers a wide range of options to customize your own traceability system to your exact needs.
- User identification
 
 Allows you to digitally record the user who loaded and unloaded the sterilizer. Users are identified by a 6-digit PIN.
- Load release confirmation
 
 This option digitally records the end user name and their confirmation of the successful sterilization and/or test cycle.
- Easy and practical
 
 Lisa enables you to select the number of labels to be printed by EliSafe either automatically or manually.
- Convenient and economical
 
 The Ethernet connection allows 4 Lisa sterilizers to share one EliSafe label printer.
W&H Steri App

W&H Steri App is an advanced smartphone and tablet application that allows to control and monitor the status of the autoclaves in your dental clinic. Moreover, the app is able to scan and track dental instruments within a single sterilizing cycle, keeping a related history report on your smart device.

Download on the App Store

Download on Google Play Store

Compatibility:

The application is compatible with all W&H sterilizers currently available.
Available languages: EN, IT, FR, DE, ES, ZH-CN, JP

Main features:

Remote control of your sterilizer: the user can remotely command up to 4 sterilizers.
Advanced traceability: EliTrace feature is now fully supported and the App permits to create instrument database directly from your smart device. In addition to this function, the management and tracking of dental instruments is integrated.
Reports creation: the App allows making intervention reports in order to collect data regarding specific treatments.
User management: creation and handling of sterilizer users directly from your smart device.
Backup functionality: all the cycle reports are automatically saved to assure more protection of data.

Steri App!

Eco Dry+

Incredible performance

The advanced patented Eco Dry technology adapts the drying time to the mass of the load. This reduces the cycle time, increases the life span of your instruments and optimizes the energy consumption.

Time saving
Type B cycles process and perfectly dry 2 KG OF LOAD IN ONLY 30 MINUTES.

Extends service life
Automatic adjustment of the drying time depending on the load reduces the heat exposure time. This extends the service life of your instruments.

Energy saving
The optimization of the drying time means reduced energy consumption. Making Lisa the »green solution«.

Reprocessing in less than 15 minutes!

Wipe disinfection in 1 minute
Disinfect your instruments before cleaning and servicing by wiping them.

Maintenance in 10 seconds
The Assistina Twin reduces the maintenance process to a record time of 10 seconds.

Sterilization in 13 minutes
With the Lisa fast cycle, the instruments can be removed from the sterilizer ready for use after only 13 minutes.
- Interface
 
 Intuitive interface
 
 The Lisa crystal clear colour touchscreen not only offers EliSense. It offers the entry to an intelligent menu structure with a wide range of options to make your daily work easier, faster, and more efficient.
- Cycle selection
 
 Simple cycle selection
 
 As soon as the Lisa is switched on, the home screen immediately displays the cycle selection.
 
 Risk-free cycle selection
 
 The custom cycle selection feature allows you to select which cycles are displayed on the home screen.
- User guidance
 
 User guidance
 
 Instruction is available with the help button in order to assist you during navigation.
- Guided maintenance
 
 Guided maintenance
 
 A set of 3-D animations shows you the main maintenance operations step by step. Makes operation easy and straightforward.
- Intuitive Menu
 
 Easy to use
 
 The Lisa touch screen with intuitive menus offers a wide range of options to meet all your needs.
 
 Intuitive navigation
 
 Four logical groups of activities are displayed for swift and efficient navigation.
- Ergonomics
 
 Perfect ergonomics
 
 The revised design is setting optimized hygiene and ergonomic standards in modern dentistry.
- Filling + Cleaning
 
 Easy filling
 
 A high capacity integrated funnel prevents water splashes during the water filling process.
 
 Simple cleaning
 
 Thanks to a smooth surface design with minimized gaps.
- Convenience
 
 High convenience
 
 An automatic water filling valve allows you to connect a demineralization system. Manual filling and draining are no longer required.
 
 Fits everywhere
 
 With the modular front feet, Lisa can be installed on the narrowest benches.
- Design
 
 Practical design
 
 Lisa can be built into a cabinet thanks to the optimized internal air circulation.
 
 Effortless tank access
 
 The tank cover can be easily removed without tools to clean the tanks.
Lisa sterilizer

supplied with reversible rack, 5 aluminium trays, drain tube, tray holder, 8 GB USB drive, door opening tool, factory test

Lisa 17
REF 19931184

Chamber size 17 l

Lisa 22
REF 19932184

Chamber size 22 l

Request Price

X-ray Image by Nick Veasey for W&H.
Find out more about the creation of the X-ray image on our Video Channel.
Download Area
FAQs
- Do I need to carry out periodic testing on my W&H Sterilizer?
 All W&H sterilizers features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines. more
- Who should I use to carry out validation and maintenance on my Lisa/Lina?
 All validation and maintenance should be undertaken by the Competent Person (Decontamination) or Competent Person (maintenance). more
- Does my Lisa/Lina need to be commissioned from new?
 Yes, validation is needed for new equipment at installation and annually thereafter. It will also be necessary to validate equipment after any major repairs have been carried out. more
- How long should I Keep periodic test records?
 Under current national decontamination guildance, all audit documents should be stored for at least two years and they should not be removed from the premises or destroyed. more
- Do I need to document the results of all periodic tests?
 Yes, all tests performed by the operator or user should be recorded in a logbook with the date and signature of the individual how carried out the test. Every Sterilizer and every thermo washer disinfector should have a logbook (file) in which test details pertaining to the lifecycle of the equipment (from purchase - disposal) are recorded. A logbook is provided as standard with the Premium Careplus Service Contract from W&H, or as an optional extra with the Premium Care Service Contract. more
- What is validation?
 Validation is a series of tests carried out with the use of independent specialist test equipment, as is necessary to demonstrate that the physical conditions required for sterilization, thermal disinfection and/or cleaning (i.e. temperature, pressure, time) are achieved. more
- How often should I de-scale my Thermoklenz?
 Water hardness can differ depending of the region in which the unit is located. Carrying out a water hardness test will enable you to gauge how hard the incoming water is. The frequency of de-scaling cycles will depend on the water hardness and the number of cycles run per week. W&H recommends that at least one de-scaling cycle be run each week. More frequent de-scaling cycles should be run if the washer disinfector has a heavier workload or if the water is hard. Additional information relating to these tests and how to carry out these tests can be found on the Video Tutorial section of this web site. more
- What water quality should I use with my Lisa/Lina?
 The water quality for sterilizers is internationally specified by standards and directives. The reasons for this are that your sterilizer can be seriously damaged by it or the sterilization can be jeopardised. Consequently, only water with conductivity of less than 10 µS/cm in North America and 15 µS/cm for the rest of the world should be used for your W&H sterilizer. The Water treatment devices Multidem and Osmo are especially designed to prepare suitable water (see chapter “Water quality” in the Instructions for Use). more
- How do I clean the water tanks and what products should I use?
 Water tank cleaning instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this website. more
- How do I change consumable components on my sterilizer?
 Consumable replacement instructions are provided in the Instructions for Use, chapter “Maintenance”. In addition, a video description is available: • in the sterilizer, in the maintenance section of the menu; • in the Consumables & Accessories and Video Tutorial section of this website. more
- Should I pre-wrap and how long can I store my instruments after sterilization?
 Under current UK decontamination guidance, with a type B vacuum cycle, instruments should be pre-wrapped and once sterilized can be stored for up to 12 months. Wrapping should take place shortly after washing and disinfection. Under current UK decontamination guidance, with a type N cycle, instruments should not be pre-wrapped. Once sterilized, instruments can be immediately aseptically wrapped and stored for up to 12 months. Instruments should always be dry before they are placed in the purpose-designed packaging. more
- Lisa 17/22 At the end of the cycle, there is residual water in the chamber
 POSSIBLE CAUSE
 Sterilizer not properly levelled
 SOLUTION
 Properly level the surface the sterilizer is placed on.
 
 POSSIBLE CAUSE
 Overloaded chamber
 SOLUTION
 Comply with the maximum load weight limits for each type of load. Always use the chamber rack for trays and cassettes.
 
 POSSIBLE CAUSE
 Chamber filter clogged
 SOLUTION
 Remove and clean the chamber filter.
 
 POSSIBLE CAUSE
 Chamber filter cap mispositioned
 SOLUTION
 Mount the chamber filter cap properly (see chapter MAINTENANCE)
 
 POSSIBLE CAUSE
 Load incorrectly placed
 SOLUTION
 Follow the recommendations as listed in ANNEX 2. more
- Lisa 17/22 Water is leaking at the front of the sterilizer
 POSSIBLE CAUSE
 Leaks through the chamber door seal
 SOLUTION
 Clean or replace the door seal. Clean the chamber face side.
 
 POSSIBLE CAUSE
 Internal leak.
 SOLUTIONS
 Call technical service. more
- Lisa 17/22 The sterilizer remains switched OFF.
 POSSIBLE CAUSE
 The main switch or network circuit breaker is OFF
 SOLUTION
 Activate the main switch or network circuit breaker (ON).
 
 POSSIBLE CAUSE
 No voltage at the socket
 SOLUTION
 Check the electric circuit.
 
 POSSIBLE CAUSE
 The power cord is not connected properly
 SOLUTION
 Check and connect the power cord properly. more
- Lisa 17/22 The sterilizer enters into “Sleep mode” immediately after opening the chamber door.
 POSSIBLE CAUSE
 The chamber door has not been opened after the previous cycle had finished and the “Sleep mode delay” has expired
 SOLUTION
 Press the SLEEP MODE button to exit”. more
- Lisa 17/22 When starting a cycle, the chamber door locks but re-opens immediately. The “Open the door” message appears.
 POSSIBLE CAUSE
 Door seal not properly placed; seal sticking out
 SOLUTION
 Ensure that the door seal is correctly inserted around the whole circumference.
 
 POSSIBLE CAUSE
 Door jammed by external objects or by the load itself
 SOLUTION
 Remove any objects interfering with the chamber door. Check that the door does not push against the load or the chamber furniture. more
- Lisa 17/22 Corrosion or spots on instruments
 POSSIBLE CAUSE
 Tap water on instruments when placed in the sterilizer
 SOLUTION
 Ensure that instruments are dry before they are placed in the sterilizer.
 
 POSSIBLE CAUSE
 Use of water of poor quality or water containing chemical substances
 SOLUTION
 Drain both water tanks. Use water of good quality (see ANNEX 7).
 
 POSSIBLE CAUSE
 Organic or chemical residues on the instruments
 SOLUTION
 Clean, rinse and dry instruments before placing them in the sterilizer (see ANNEX 2).
 
 POSSIBLE CAUSE
 Chamber, trays, tray rack dirty
 SOLUTION
 Clean the chamber and wash the chamber furniture
 
 POSSIBLE CAUSE
 Contact between instruments of different materials
 SOLUTION
 Ensure that instruments of different materials do not touch (aluminum, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (refer to ANNEX 2).
 
 POSSIBLE CAUSE
 Scale deposits on the chamber
 SOLUTION
 Clean the chamber and use water of good quality (refer to ANNEX 7). more
- Lisa 17/22 No cycles are stored in the cycle history menu
 POSSIBLE CAUSE
 An electronic board was replaced by service.
 SOLUTION
 None. The memory of the old board cannot be restored. Save periodically the history on the USB pen drive. more
- Lisa 17/22 The sterilization (PROCESS) phase of a sterilization cycle was longer than expected.
 POSSIBLE CAUSE
 The chamber temperature dropped below the minimum threshold and the software performed a successful recovery.
 SOLUTION
 Wait for cycle completion. If the problem occurs frequently, call technical service. more
- Warning about saving to the USB (HTML and SCL files).
 The USB drive is disconnected or full. SOLUTION Check presence and condition of the USB drive. If the problem persists, contact an authorised W&H service partner. more
- Lisa 17/22 The cycle report printer does not work.
 POSSIBLE CAUSE
 Printer not properly connected or not powered
 SOLUTION
 Check the data and the power connection to the printer. more
- Lisa 17/22 Warning about programmed maintenance.
 POSSIBLE CAUSE
 A component shall be replaced for the programmed maintenance of the sterilizer.
 SOLUTION
 Call service to order the requested component (door seal, dust filter, bacteriological filter...). See “Maintenance” chapter.. more
- Lisa 17/22 When the sterilizer is connected to an automated water supply system: there is no clean water in the tank, but the automatic water filling does not fill the water.
 POSSIBLE CAUSE
 Water fill system not connected
 SOLUTION
 Connect the water fill system to the sterilizer (see ANNEX 7 for water quality requirements).
 
 POSSIBLE CAUSE
 When the water fill system attempted to fill the tank, water was temporarily unavailable
 SOLUTION
 Since water tank filling is attempted only once in-between cycle execution, this event inhibits water feeding. Switch the sterilizer OFF and then ON again.
 Check the external water supply system.
 Check for water leaks from the sterilizer.
 
 POSSIBLE CAUSE
 Faulty MIN water level sensor in the clean water tank
 SOLUTION
 Call service. more
- Lisa 17/22 What is the maximum noise level of the sterilizer?
 The maximum running noise level of 58.5 dB(A)ensures a quiet, comfortable working environment. more
- What should I do if I get a Warning about consumable replacement?
 Order the requested consumable (door seal and HEPA/bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use. more
- What is the maximum noise level of the Lisa sterilizer?
 The max. noise level of Lisa 2019 is 64.3 dB. more
more
Instructions for use

Instructions for use
Lisa sterilizer

Maintenance Sheet
Lisa VA 131

Maintenance Sheet
Lisa VA 131 2019

Find all languages of the Update Hygiene and Maintenance (EN ISO 17664:2017) in the Download Centre.

Downloads

Brochure Lisa

Environmental labelling of packaging

Video Tutorials

For a seamless and interactive online experience of our multimedia content (e.g. videos, maps), please accept the storage of the necessary cookies (YouTube, MovingImage - detailed information on these cookies can be found in the imprint/data protection) for marketing purposes.

Accept
Service
Service

Service Station Locator

Hygiene & Maintenance

Disposal Guidelines

Troubleshooting

Lisa sterilization cycles

Sterilization cycle		B-Universal 134		B-Prion 134		B-Universal 121	Fast cycle
Temperature:		134 °C		134 °C		121 °C	134 °C
Holding time (minutes):		4		18.5		20.5	3.5
Total cycle duration (minutes) including complete drying:			Typical load		Typical load
	Lisa 17	Automatic from 21 to 41	28	Automatic from 36 to 57	43	35 to 67	13 to 20
	Lisa 22	Automatic from 21 to 45	28	Automatic from 36 to 61	43	40 to 72	13 to 21
Lisa 17 loads: Lisa 22 loads:		max. solid 4.5 kg/typical 2 kg/maximum porous 1.5 kg max. solid 6 kg/typical 2 kg/maximum porous 2 kg					max. solid 2 kg max. solid 2 kg
Lisa 17 / 22 containers load:		max. 9 kg				–
Test cycles:		Helix/Bowie Dick/Vacuum test

Items supplied with reversible rack, 5 aluminium trays, drain tube, tray holder, 8 GB USB drive, door opening tool, factory test

Lisa Sterilizer

Trade name:	Lisa
Type:	VA131-17	VA131-22
Chamber size:	17 l	22 l
Power supply:	200–240 V AC; 50/60 Hz; 10 A
Power consumption:	2.0 - 2.4 kW
Overall dimension (width x height x depth):	465 x 452 x 634 mm
Weight:	46 kg	47.5 kg
Main / Used water tanks:	4.8/4.8 l
Working range:	7 to 15 cycles
Usable space in chamber (width x height x depth)¹:	195 x 195 x 312 mm	195 x 195 x 400 mm
Connection types:	1 Ethernet port, 5 USB ports, integrated automatic water filling valve

^{(1) Usable space is referred to standard rack configuration.}

**Lisa sterilizers were designed, certified and validated with the most stringent Directives and Standards:**
N°2017/745	Medical Device Regulation	IEC 61010-1	Safety requirements
2012/19/EU	Waste Electrical and Electronic Equipment	IEC 61010-2-040	Specific requirements for steam sterilizer
EN 2014/68/EU	Pressure Equipment Directive	IEC 61770	Electric appliances connected to the water mains
IEC 61326-1	Electromagnetic compatibility	EN 13060	Small steam sterilizers

The sterilizer can be validated according to EN ISO 17665-1

Reports and studies

Sterilization succeeds only with appropriate pre-disinfection and cleaning

Reprocessing of Dental Instruments

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Accessories & Consumables

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Related products

new

Lisa sterilizer

Incredible inside & outside

Sterilization, Hygiene & Maintenance

Sterilization, Hygiene & Maintenance

System Overview

The Lisa sterilizers

Incredible thanks to

EliSense

Status Sense, Temperature Sense, Smart Sense: three incredible features, combined into EliSense.

EliSense Status Sense

EliSense Smart Sense

EliSense Temperature Sense

EliTrace

Step 1 Create database

Step 2 Labelling and loading

Step 3 Load release and status check

Extended documentation

The Lisa offers the possibility to trace back to the single instrument without any paper handling, dedicated computer or software.

High capacity data logger

Customized to your needs

User identification

Load release confirmation

Easy and practical

Convenient and economical

W&H Steri App

Eco Dry+

Incredible performance

Reprocessing in less than 15 minutes!

Interface

Intuitive interface

Cycle selection

Simple cycle selection

Risk-free cycle selection

User guidance

User guidance

Guided maintenance

Guided maintenance

Intuitive Menu

Easy to use

Intuitive navigation

Ergonomics

Perfect ergonomics

Filling + Cleaning

Easy filling

Simple cleaning

Convenience

High convenience

Fits everywhere

Design

Practical design

Effortless tank access

Lisa sterilizer

Download Area

FAQs

Instructions for use

Downloads

Video Tutorials

Service

Lisa sterilization cycles

Lisa Sterilizer

Reports and studies

Accessories & Consumables

Related products

Assistina TWIN

Alegra with LED+

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