W&H Lisa VA131-17 Instructions For Use Manual
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W&H Lisa VA131-17 Instructions For Use Manual

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Instructions for Use
VA131 2019 - ENG - Rev06
VA131-17 VA131-22

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Summary of Contents for W&H Lisa VA131-17

  • Page 1 Instructions for Use VA131 2019 - ENG - Rev06 VA131-17 VA131-22...

  • Page 3: Table Of Contents

    Table of contents Conformity Hide/Unhide a cycle Symbols and messages Managing printers Introduction Printer selection (optional) About this manual Label printer selection (optional) Use restrictions Label printer usage (optional) Safety information Label content description Safety warnings Sterilizer tests Responsibility Sterilizer performance tests Getting started Bowie and Dick test Unpacking...
  • Page 4 800-cycle or biannual maintenance 800-cycle maintenance 4000 cycle or five-year maintenance Extraordinary maintenance Disposal Diagnostics Errors Troubleshooting Emergency door opening Technical data Sterilization cycles Sterilization cycle phases Technical data Recommendations for validation Diagrams Water quality Accessories, spare parts, consumables Authorized W&H service partners Documentation forms W&H installation check-list Helix test documentation form...

  • Page 5: Conformity

    Conformity Note: LISA sterilizers can be validated in accordance to EN17665-1. CONFORMITY TO EUROPEAN STANDARDS AND DIRECTIVES STERILIZER featuring sterilization cycles conform with the following Note: Every new sterilizer is delivered with a Declaration of Conformity and a Warranty Card. standards: Standards Description...

  • Page 6: Symbols And Messages

    Symbols and messages SAFETY SYMBOLS USED IN THIS MANUAL WARNING: Indicates a hazardous situation that, if not avoided, could CAUTION: Indicates a hazardous situation that, if not avoided, could result in death or serious injury. result in minor or moderate injury. Related to a sterilizer, these warnings indicate hazardous situations that could result in non-sterile conditions (e.g.

  • Page 7: Introduction

    Introduction CONTENTS OBLIGATIONS WITH REGARD TO THIS MANUAL This section deals with the following subjects: This manual is an integral part of the product and accompanies it for its entire working life. It must be consulted in all situations related About this manual to the life cycle of the product, from its delivery through to Use restrictions...

  • Page 8: Use Restrictions

    Introduction For any suggestions or remarks please send an email to These loads include solid, porous, hollow loads type A and hollow office.sterilization@wh.com. loads type B, unwrapped, single wrapped and double wrapped. LISA sterilizers cannot be used to sterilize liquids or pharmaceutical COPYRIGHT NOTICE products.

  • Page 9: Safety Information

    Safety information CONTENTS ELECTRICAL RISKS This section deals with the following subjects: Do not pour water or any other liquids over the sterilizer (risk of electrical short circuits). Safety warnings Switch off the sterilizer and unplug the mains Responsibility cable before inspecting, carrying out maintenance or servicing the sterilizer.

  • Page 10: Responsibility

    Safety information TAMPERING MANUFACTURER RESPONSIBILITY The manufacturer can only accept responsibility for the safety, Do not remove the name plate or labels from the reliability and performance of the product when the product sterilizer. itself is installed, used and serviced in accordance with the Repairs, maintenance or service must be carried Instructions for Use.

  • Page 11: Getting Started

    Getting started CONTENTS Unpacking This section deals with the following subjects: Unpacking UNPACK THE STERILIZER Handling CAUTION! Heavy product. The sterilizer must be removed Product description from the box and transported by two authorized technicians. Installing the sterilizer Weight: Operating the sterilizer LISA 17: 46 kg (101.4 lbs) User interface menu LISA 22: 47.5 kg (104.7 lbs)
  • Page 12 Getting started WARNINGS Notice: Check the external condition of the box and the sterilizer. In case of any damage, immediately contact the dealer or shipping agent that has carried out the transport. Keep the packaging for shipping or transporting the sterilizer in the future. Note: The packaging of the product is environmentally friendly and can be disposed of by industrial recycling companies.

  • Page 13: Handling

    Getting started ITEMS NOT PROVIDED WITH THE STERILIZER The following items are not provided: Water container to capture waste water during manual tank draining (volume larger than 5 l (1.3 gal)) LAN cable for connecting the sterilizer to a network (optional) See "Accessories, spare parts, consumables"...

  • Page 14: Product Description

    Getting started Product description FRONT VIEW Part Description Chamber door Tank filling cover-cap Water tank cover Touch screen Service door Sterilization chamber Dust filter Reset button of the thermostat switch Auxiliary cable loom Door gasket Door pin LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 15 Getting started UPPER INTERNAL STRUCTURE Part Description Tank Water level sensor Water tank cover Internal tank cover Tank internal filters with metal cartridges LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 16 Getting started COMPONENTS BEHIND THE SERVICE DOOR Part Description Bacteriological filter Mains switch Identification label Used water drain port (grey) Clean water drain port (blue) Drain tube release button USB port LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 17 Getting started REAR VIEW Part Description USB and LAN ports Air gap cover Test connection Pressure safety valve cover Used water drain Water supply inlet Condenser grid Mains cable guide Mains cable plug socket LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 18 Getting started CHAMBER ACCESSORIES Part Description Tray Chamber rack: In the normal position, it can host 5 trays horizontally or 3 cassettes/containers vertically. In a 90° degrees rotated position, it can host 3 trays or 3 cassettes/containers horizontally. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 19: Installing The Sterilizer

    Getting started Clearance requirements to ensure proper air circulation: Installing the sterilizer LOCATION REQUIREMENTS Notice: Do not place the sterilizer so that it is difficult to operate the controls behind the service door. Do not place the sterilizer so that it is difficult to disconnect the power supply plug.
  • Page 20 Getting started The electrical power supply of the sterilizer must fulfill all applicable LAN CONNECTION standards in the country of use, and must comply with the data label on the back of the sterilizer. WATER CONNECTIONS The sterilizer clean water tank can be filled manually by the user or automatically with a water supply system.

  • Page 21: Operating The Sterilizer

    Getting started INSTALLING THE STERILIZER Operating the sterilizer WARNING! In case of sterilizer malfunctions immediately unplug the sterilizer and call for service. Do not attempt to POWER THE STERILIZER ON/OFF repair the sterilizer by yourself. Press the power switch behind the Notice: service door: once switched ON, the Please ensure that all installation requirements are met before...
  • Page 22 Getting started After a quick autotest the sterilizer HOMEPAGE DESCRIPTION automatically turns in standby Part Description mode. See "Standby mode" on page  35. Title/purpose of the screen, or the cycle number and the current date and time Available cycles Available tests Additional buttons used to navigate the menu.

  • Page 23: User Interface Menu

    Getting started User interface menu =  optional with Activation code STRUCTURE AND NAVIGATION = optional LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 24 Getting started MAIN MENU FUNCTION SETTINGS MENU FUNCTIONS Icon Function Icon Function Label Label Menu Opens the menu. Smart Only if activated in the Elisense menu. Enables each Intelligence suggestions pop-up and messages. Settings Sets the device. EliSense Sets the option of the touch screen LEDs. Opens the pages to monitor the performed cycle data and Traceability Opens the pages to set the device.
  • Page 25 Getting started Icon Function Icon Function Label Label Manages the Ethernet network. Display Sets the display brightness. Ethernet Cycle Opens the pages to manage cycles. Network Only with a network connection set. Provides information Status about the network status. Cycle Sets the cycles menu.
  • Page 26 Getting started ACCESSORIES MENU FUNCTIONS Icon Function Label Icon Function Label Permits manage the users. User Management Opens the formatting page of the USB pen drive. USB Pen Drive Administrator only. Adds a user. Add User Formats the USB pen drive. Format Delete User Administrator only.
  • Page 27 Getting started MAINTENANCE MENU FUNCTIONS Icon Function Label Bact. Filter Shows the status of the bacteriological filter for replacement and resets its counter to zero. Dust Filter Shows the status of the dust filter for replacement and resets its counter to zero. Door Shows the status of the door gasket for replacement and Gasket...
  • Page 28 Getting started COMMON COMMANDS AND ICONS Icon Function Icon Function Icon Function Refreshes the page. Indicates that the option checked is working properly. Enters/exits the standby mode. Plays a video. Indicates the value that may be Starts a procedure. changed and appears by clicking on Moves to the previous/next screen.
  • Page 29 Getting started Icon Function Indicates that the option is active/not active. Indicates that the option is enabled/disabled. Indicates that the user is using the administrator credentials. Gives information about the function displayed. Confirms the active option and saves a setting or a parameter. Copy the system info to the USB pen drive.

  • Page 30: Sterilizer Setup

    Getting started Sterilizer setup SET THE DATE AND TIME To change the current date and time: SET THE LANGUAGE On the homepage tap > > > On the homepage tap > > > Tap the value you want to change (time, date, format): the highlighted Tap the language you prefer.
  • Page 31 Getting started SET THE STERILIZER NAME SET THE DISPLAY BRIGHTNESS To change the sterilizer name that appears in the cycle reports: To change the display brightness: On the homepage tap > > On the homepage tap > > > > Tap the text box: ...
  • Page 32 Getting started On the homepage tap > > Note: in the TPC/IP screen, the icon is visible only if you make any change. The Wi-Fi icon at the If the connection is through the bottom will not be visible if you Ethernet cable, tap : the TCP/IP connect through Ethernet cable.

  • Page 33: User Authentication

    Getting started Enter your new PIN and tap User authentication confirm:  a confirmation message with your new PIN appears. FUNCTION AVAILABILITY and then to go back to PIN MANAGEMENT the previous page. PIN “0000” is assigned as default to each new user. It has to be changed at the first login.

  • Page 34: Usb Pen Drive

    Getting started TOUCH SCREEN LED STATUS SET THE OPTIONS OF THE TOUCH SCREEN LEDS To set the information that the LEDs will shown, do the following: Status Description Visual cycle status On the homepage tap > > Green in Cycle program in progress movement To activate an option, tap Green fixed...

  • Page 35: Standby Mode

    Getting started FORMAT THE USB PEN DRIVE Standby mode On the homepage tap > > DESCRIPTION When in standby mode, the sterilizer display remains dark and the Insert the USB pen drive in one of sterilizer chamber is not heated to save energy. If the sterilizer is the two USB ports.
  • Page 36 Getting started EXIT THE STANDBY MODE CHANGING STANDBY MODE DELAY TIME or open or close the chamber On the homepage tap > > door. > to change the delay. to confirm and go back to the previous page. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 37: Administrator

    Administrator CONTENTS ADD A USER This section deals with the following subjects: On the homepage tap > > User management Traceability options Tap your user name. Hide/Unhide a cycle Enter the PIN and tap to confirm. User management FUNCTION AVAILABILITY WHO CAN MANAGE USERS AND RESET THEIR PIN Only a user with administrator rights can create and delete users and reset the PIN code of a user to "0000".
  • Page 38 Administrator Tap the text box:  a keyboard If desired, tap to give the appears. administrator authority to the new user. to confirm:  the PIN of the new user is set to "0000" and a confirmation message appears. and then to go back to the previous page.
  • Page 39 Administrator RESET A USER PIN On the homepage tap > > Tap your user name. Enter the PIN and tap to confirm. Tap the user name you want to delete. to confirm. and the user name for which you want to reset the PIN. to confirm: ...

  • Page 40: Traceability Options

    Administrator Tap the information to be requested Traceability options to the users at the beginning and at the end of the cycle. FUNCTION AVAILABILITY If you want the user to check the WHO CAN SET THE TRACEABILITY OPTIONS load and release it as valid at the Only a user with administrator rights can set the traceability end of the cycle, tap options.
  • Page 41 Administrator HIDE/UNHIDE A CYCLE On the homepage tap > > > Tap your user name. Enter your PIN and tap confirm. to hide a cycle from the homepage. to unhide a cycle from the homepage. to confirm and go back to the previous page.

  • Page 42: Managing Printers

    Managing printers On the homepage tap > > CONTENTS This section deals with the following subjects: Tap the model of the printer to use. Printer selection (optional) to confirm and go back to Label printer selection (optional) the previous page. Label printer usage (optional) Label content description Printer selection (optional)
  • Page 43 Managing printers connected to the sterilizer, while the shared label printer is SELECT A SHARED LABEL PRINTER connected to another sterilizer in the network. Ensure the sterilizer to which the printer is physically connected is SELECT AND CALIBRATE A LOCAL LABEL PRINTER ON and no cycle is running.

  • Page 44: Label Printer Usage (Optional)

    Managing printers From the sterilizer from which the From the sterilizer to which the printer is not physically connected, printer is connected, confirm the tap homepage > > > printer sharing. again to print a test label. Tap the text box and enter the IP address previously noted.
  • Page 45 Managing printers AUTOMATIC PRINTING OPTION SET THE MANUAL LABEL PRINTING The automatic printing option permits to automatically print a The manual printing option permits the user at the beginning of a preset number of labels after a successful sterilization cycle. The sterilization cycle to set manually the number of labels to print.
  • Page 46 Managing printers DISABLE THE LABEL PRINTING If the label printing is disabled, no label can be printed at the end of a sterilization cycle. On the homepage tap > > Activate Disabled. to confirm and go back to the previous page. LISA ...

  • Page 47: Label Content Description

    Managing printers Label content description STRUCTURE Part Description Sterilizer model Serial number Software release Traceability code (alphanumerical and bar code) Released Depending on the traceability settings, this field may contain one of the following elements: the user who released the cycle the user who started the cycle the sterilizer ID Cycle...

  • Page 48: Sterilizer Tests

    Sterilizer tests CONTENTS This section deals with the following subjects: Sterilizer performance tests Bowie and Dick test Helix test Vacuum test Sterilizer performance tests TESTS THAT CAN BE PERFORMED ON THE STERILIZER Test Purpose Reference Bowie and Dick test Validate the sterilizer performance for textile load sterilization. See "Bowie and Dick test"...
  • Page 49 Sterilizer tests PURPOSE OF THE TEST The test is used to validate the sterilizer performance for textile load sterilization. DESCRIPTION It consists of several sheets of paper wrapped in a small packet with a chemical heat-sensitive indicator sheet in the middle. The colour assumed by this indicator sheet at the end of the sterilization cycle gives the result of the test.
  • Page 50 Sterilizer tests On the homepage tap Helix-B&D test. To set the duration of the Plateau/Sterilization phase and other settings, tap and enter your credentials if required: the chamber door locks. Wait until the end of the test and tap OPEN: the chamber door unlocks. Enter your credentials if required.
  • Page 51 Sterilizer tests INTERPRET THE TEST RESULT Test Indicator What happened What to do next passed The entire surface of the indicator sheet has changed colour. Certain ares of the indicator sheet have not changed colour since there was an air Repeat the test.

  • Page 52: Helix Test

    Sterilizer tests Helix test CAUTION! Follow local/national guidelines on the frequency of testing. PURPOSE OF THE TEST The test is used to validate the sterilizer performance for hollow items. DESCRIPTION It consists of a 1.5 m long tube open on one side and closed with a capsule containing a chemical indicator strip on the other side. The colour assumed by this indicator strip at the end of the sterilization cycle gives the result of the test.
  • Page 53 Sterilizer tests Place the tube with the capsule in the center of a tray in the lowest rack position and close the chamber door. On the homepage tap Helix-B&D test. To set the duration of the Plateau/Sterilization phase and other settings, tap and enter your credentials if required: the chamber door locks.

  • Page 54: Vacuum Test

    Sterilizer tests Open the chamber door, extract the tray using the tray holder and take the tube. CAUTION! Risk of burns. The test pack is very hot at the end of the cycle. Wear appropriate PPE (e.g. gloves). Unscrew the tube capsule and remove the indicator strip. Check the change in colour.
  • Page 55 Sterilizer tests PURPOSE OF THE TEST The test is used to validate the sterilizer performance in terms of: efficiency of the vacuum pump tightness of the pneumatic circuit DESCRIPTION It consists of a vacuum phase, followed by a stabilization period of 5 minutes and a testing period of 10 minutes. The internal pressure is monitored during the testing period.
  • Page 56 Sterilizer tests WHAT TO DO WHEN THE TEST FAILED Check, clean or replace the door gasket. Clean the chamber face side and the chamber filter. Repeat the Vacuum test. See "Carry out the test" on the previous page. If the test fails repeatedly, call technical service. LISA ...

  • Page 57: Sterilization Cycles

    Sterilization cycles CONTENTS DENTAL HANDPIECES EXTERNAL DISINFECTION This section deals with the following subjects: This procedure reduces the risk of infection during cleaning and maintenance of the dental handpieces. Load maintenance and preparation Wear protective gloves during disinfection. Prepare the sterilizer Avoid using abrasive disinfectants (pH-value 2.5 –...
  • Page 58 Sterilization cycles DENTAL HANDPIECES EXTERNAL CLEANING CORRECT LOAD PLACEMENT This procedure involves the removal of residues (blood, dentine, WARNING! Do not overload trays and the chamber. Adhere to etc.) that adhere to critical areas such as spray outlets, light ports, the maximum load weight limits (see "Sterilization cycles"...

  • Page 59: Prepare The Sterilizer

    Sterilization cycles PARTIAL LOAD Load type Placement If the chamber is just partially loaded, place the load in such a way On trays allowing adequate space in-between Pouched items that the space in-between the trays is maximized. Spread items bags. Ensure that packs do not touch the walls of evenly on multiple trays.

  • Page 60: Sterilization Cycle Description

    Sterilization cycles To enjoy the full benefit of short cycle times when only one FILLING THE CLEAN WATER TANK tray is used, always place the load on the upper tray of the Switch the sterilizer ON and remove the tank filling cover-cap. chamber rack and remove all other trays from the chamber.

  • Page 61: Sterilization Cycle Management

    Sterilization cycles Check the cycle requirements. Sterilization cycle management Check the icon in the top left corner of the page to know the ECO DRY RUN A STERILIZATION CYCLE IMMEDIATELY mode assigned to the cycle. On the homepage tap the desired cycle.
  • Page 62 Sterilization cycles Wait the end of the sterilization. Tap SET THE STERILIZATION CYCLE START to view the cycle parameters in You may schedule the start of the sterilization cycles at a certain real time. See "View the cycle date and time (e.g., if you want to load the sterilizer in the evening parameters"...
  • Page 63 Sterilization cycles Tap the ECO DRY mode you desire. Tap the number you want to change and tap to increase it or to confirm and go back to decrease it. the previous page. to confirm and go back to the previous page. To change the start time, tap Start to lock the door and start cycle at.
  • Page 64 Sterilization cycles PROGRAM A SEQUENCE OF CYCLES TO RUN AUTOMATICALLY and then the cycle you want It is possible to program the sterilizer in such a way that a to add. sequence of cycles runs automatically at a preset date and time : the cycle is automatically (e.g.
  • Page 65 Sterilization cycles SET THE DRYING TIME Tap the number you want to change and tap to increase it or For each ECO DRY mode, the drying time is automatically adjusted decrease it. to the total amount of load and cannot be modified. To set a new drying time for the program, you should disabled the ECO DRY mode to confirm and go back to first.
  • Page 66 Sterilization cycles Tap the ECO DRY mode you desire. to increase the minutes or decrease them. to confirm and go back to Note: for the minimum value of the the previous page. drying time for each cycle see "Sterilization cycles" on page  116. to go back to the homepage.
  • Page 67 Sterilization cycles STERILIZATION CYCLE PAGE END OF A STERILIZATION CYCLE Following are the information displayed while a cycle is running: When a cycle is successfully finished, the "Cycle completed" message appears on the screen. To end the cycle: Part Description to view the cycle Sterilization cycle name summary or tap...
  • Page 68 Sterilization cycles STOP A STERILIZATION CYCLE to abort the stop command. The cycle continues programmed. WARNING! You can stop the cycle at any time. Instruments must not be considered sterile if this occurs before the DRY to abort the cycle: the phase.

  • Page 69: Unloading

    Sterilization cycles MESSAGES OF A STOPPED STERILIZATION CYCLE Check the message. See "Messages of a stopped Following are the messages: sterilization cycle" below. Load not sterile: Do not use items on patients! Drying interrupted: The load might be wet. Wet items are for to view the cycle immediate use only! parameters.
  • Page 70 Sterilization cycles WHAT HAPPENS WITH UNSAVED CYCLES PRINT OR SAVE A CYCLE REPORT ON THE USB PEN DRIVE If for any reason (e.g. USB memory full, USB pen drive disconnected, On the homepage tap > > etc.) some cycles cannot be saved, no alert is shown. If still stored in memory, the unsaved cycles will be copied in a working USB pen Scroll the list and tap the desired drive connected to the sterilizer as soon as a new cycle starts.
  • Page 71 Sterilization cycles to print the report, or tap to save the report on the USB pen drive. PRINT LABELS FOR A SPECIFIC CYCLE to print traceability labels for the selected cycle. On the homepage tap > > Scroll the list and tap the desired sterilization cycle: the report opens.
  • Page 72 Sterilization cycles to increase or SET THE REMOTE FOLDER FOR SAVING THE REPORTS decrease the number of label to be To activate the remote storage and set the necessary parameters printed. do the following: to save the set number for On the homepage tap >...
  • Page 73 Sterilization cycles TEST THE DATA STORAGE Not mandatory. Enter the domain name. Note: The test function is available only if the remote data storage is enabled. See "Set the remote folder for saving the reports" on the previous to require the page.
  • Page 74 Sterilization cycles SAVE ALL THE CYCLE REPORTS IN A REMOTE FOLDER Note: The save all function is available only if the remote data storage is enabled. See "Set the remote folder for saving the reports" on page  72. Only the last 400 cycles in HTML and 50 cycles in SCL in the sterilizer memory can be saved in the remote folder.
  • Page 75 Sterilization cycles CYCLE REPORT STRUCTURE Data Description Following the structure of a cycle report: Sterilizer model Sterilizer serial number Software rev. Software revision number Sterilizer Name Surgery – practice – doctor name Cycle Name of the executed cycle Number Cycle counter Sterilizat.
  • Page 76 Sterilization cycles Data Description Cycle end conditions Cycle water consumption F0 value Cycle time Cycle time Date(below) Cycle end date and time "Cycle completed" Cycle outcome Trk. Tracking code for traceability management LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 77: Maintenance

    Maintenance CAUTION! Before accessing the chamber and the connected CONTENTS parts, be sure that the sterilizer is cold. This section deals with the following subjects: Notice: Follow the instructions in this chapter when carrying out any Warnings for maintenance operations maintenance on the sterilizer.
  • Page 78 Maintenance If you can not replace the consumable immediately, the sterilizer Frequency Cycles Operation will operate anyway but the message will appear again some cycles later. Replace the bacteriological filter. See "400-cycle Yearly maintenance" on page  85. to see an animated Replace the dust ...
  • Page 79 Maintenance REPLACE THE CONSUMABLE BEFORE THE MAINTENANCE DUE to see an animated DATE replacement procedure. If you replace the consumables before the request of replacement When you have replaced the appears, you should manually reset the counters through the consumable tap to confirm: the following procedure.

  • Page 80: Monthly Or 50-Cycle Maintenance

    Maintenance Monthly or 50-cycle maintenance CLEANING THE DOOR GASKET AND THE CHAMBER FACE SIDE Proceed as follows: Clean the seal seat and the chamber face side with a damp, lint-free cloth moistened with clean water. Notice: Do not use abrasive products, cutting tools or sharp objects. If you use a detergent solution, be careful not to get in contact with the plastic body of the front cover.
  • Page 81 Maintenance CLEANING THE CHAMBER AND THE CHAMBER ACCESSORIES Proceed as follows: Remove the trays and the chamber rack. Clean the chamber with a damp sponge and a mild detergent solution paying attention not to bend or damage the temperature probe inside the sterilizer chamber.
  • Page 82 Maintenance CLEANING THE CHAMBER FILTER Proceed as follows: Allow the sterilization chamber to cool down. Empty the sterilizer chamber by removing the trays and the rack. Turn the filter cap at the back of the chamber (bottom/center) counter-clockwise. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 83 Maintenance Remove the filter cap and the cartridge filter. Rinse the cartridge filter with tap water. Insert the cartridge filter in the filter cap. Insert the filter cap with the cartridge filter in its original position. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 84 Maintenance Lock the filter cap by turning it clockwise. CLEANING THE EXTERNAL SURFACES OF THE STERILIZER Proceed as follows: Clean all external sterilizer covers with a slightly damp cloth moistened with water. Notice: Never use disinfectants, detergents or abrasive products. LISA ...

  • Page 85: 400-Cycle Maintenance

    Maintenance 400-cycle maintenance REPLACING THE BACTERIOLOGICAL FILTER A video animation is available on https://video.wh.com/en_global/dental-faq. Notice: If you replace this consumable before the maintenance due date you have to reset the cycle counter. See "Replace the consumable before the maintenance due date" on page  79. Proceed as follows: Open the service door.
  • Page 86 Maintenance REPLACING THE DUST FILTER A video animation is available on https://video.wh.com/en_global/dental-faq. Notice: If you replace this consumable before the maintenance due date you have to reset the cycle counter. See "Replace the consumable before the maintenance due date" on page  79. Proceed as follows: Pull out the dust filter handle from underneath the sterilizer.
  • Page 87 Maintenance Lift the used filter from the handle and remove it. Insert the new filter into the handle. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 88: 800-Cycle Or Biannual Maintenance

    Maintenance Slide the handle back into its original position. 800-cycle or biannual maintenance SEQUENCE OF PROCEDURES TO CLEAN THE WATER TANKS To clean the water tanks, proceed as follows: 1. "Prepare the sterilizer for cleaning the water tanks" on the next page. 2.
  • Page 89 Maintenance PREPARE THE STERILIZER FOR CLEANING THE WATER TANKS A video animation is available on https://video.wh.com/en_global/dental-faq. Proceed as follows: Switch OFF the sterilizer and disconnect the mains cable. Completely drain both water tanks (see "Draining the used and clean water tank" on page ...
  • Page 90 Maintenance ACCESS TO THE WATER TANKS A video animation is available on https://video.wh.com/en_global/dental-faq. Proceed as follows: Lift the water tank cover. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 91 Maintenance Remove the internal tank cover. Clean and dry the internal tank cover and its rubber membrane to eliminate any condensate. Notice: Never use disinfectants, strong detergents or abrasive products. Use a slightly damp cloth moistened with water. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 92 Maintenance CLEAN THE WATER TANKS A video animation is available on https://video.wh.com/en_global/dental-faq. Notice: Do not touch the water level sensors. If misplaced or misaligned from their original position, the operation of the sterilizer could be impaired. Proceed as follows: Clean the internal tank surfaces with a soft sponge and a mild detergent solution. Notice: Never use disinfectants, strong detergents or abrasive products.
  • Page 93 Maintenance Remove the internal filters. Clean the metal cartridges of the internal filters with tap water. Reposition the internal filters. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 94 Maintenance Reposition the internal tank cover and then the water tank cover. Detach the drain tube. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 95: 800-Cycle Maintenance

    Maintenance 800-cycle maintenance REPLACING THE DOOR GASKET A video animation is available on https://video.wh.com/en_global/dental-faq. Notice: If you replace this consumable before the maintenance due date you have to reset the cycle counter. See "Replace the consumable before the maintenance due date" on page  79. Proceed as follows: Fully open the chamber door.
  • Page 96 Maintenance Insert the new seal and press first up and down. Press left and right and then the entire seal circumference to ensure its perfect placement. Notice: A steam discharge can damage the sterilizer plastic parts. Ensure the seal does not stick out. Wipe any residual water and run a Vacuum and Helix test to check for perfect tightness of the seal.

  • Page 97: 4000 Cycle Or Five-Year Maintenance

    Maintenance 4000 cycle or five-year maintenance Element Replace Clean Check Internal parts, with particular care for the condenser fins and the main board GENERAL CHECK AND SERVICE REQUIRED Notice: Regular service is imperative to ensure continuous and Pneumatic connections effective operation of the sterilizer. Electrical connections A general check and service should be carried out every 4000 Temperature and pressure calibration...

  • Page 98: Extraordinary Maintenance

    Maintenance Extraordinary maintenance DRAINING THE USED AND CLEAN WATER TANK If you left accidentally the tanks full for more than seven days or if you plan not to use the sterilizer for at least seven days, you have to drain the tanks.

  • Page 99: Disposal

    Maintenance Disposal DISPOSAL RESPONSIBILITY Separate the various components according to the materials they are made of. Drop the sterilizer with a company that specializes on the recycling of related products. Do not abandon the sterilizer in unsecured places. Always refer to current/applicable laws and rules in the country of use. The same instructions apply to disposal of all used consumable parts.

  • Page 100: Diagnostics

    Diagnostics CONTENTS This section deals with the following subjects: Errors Troubleshooting Emergency door opening Errors CHECKS AND ACTIONS Notice: For any error not listed in this table, call technical service. Code Description Actions Load cannot be considered sterile. See "End of a sterilization cycle" on page  67 Repeat the cycle.
  • Page 101 Diagnostics Code Description Actions Wait before opening the chamber door. Allow the sterilization chamber to cool down. See error "13x to 16x" Repeat the cycle. below. If the problem persists, call service. 13x to 16x Check water level in the clean water tank. Reset the safety thermostat.. Repeat the cycle.
  • Page 102 Diagnostics Code Description Actions Check the door gasket. Clean or replace it if necessary. Repeat the cycle. If the problem persists, call service. Clean the chamber face side. Clean the chamber filter. Check if chamber filter is properly locked in the cap. Check the load does not exceed the MAXIMUM WEIGHT LIMITS.
  • Page 103 Diagnostics Message/Alert Description Action Non-conform water The clean water quality is bad (conductivity You may run a cycle but the water must be replaced soon, otherwise the unit will between 15 and 50 μS/cm). automatically lock-out to prevent damage. Unacceptable water The clean water quality is very bad (conductivity Running a cycle is inhibited to prevent damage.
  • Page 104 Diagnostics Message/Alert Description Action Door Gasket replacement is due. These messages advise that one consumable Replace the consumable and tap to reset the counter (See "Maintenance" on must be replaced. page  77). Have you replaced the door gasket? If you don't replace the consumable, press In this case, you may still use the sterilizer but the message will appear again after Bact.

  • Page 105: Troubleshooting

    Diagnostics When the OPEN button appears, tap Troubleshooting it to unlock the door. Confirm the opening of the door. MANAGING ERRORS If during a sterilization cycle an error occurs do the following: Notice: Water could be present in the chamber when opening the door: Wait until the end of the reset prevent spilling (e.g., place a towel phase.
  • Page 106 Diagnostics ERROR PAGE During the sterilization cycle, the sterilizer is continuously monitored by a control system. If an anomaly is detected, the cycle is aborted automatically, and the sterilizer starts a reset phase. The following page appears: Part Description Current sterilization cycle Error number, See "Errors"...
  • Page 107 Diagnostics RESET THE SAFETY THERMOSTAT The sterilizer is fitted with a safety thermostat to prevent it from overheating. If the safety thermostat operates because of too high temperatures, the error 240 or a timeout error is displayed. The thermostat must be reset manually. Proceed as follows: Switch the sterilizer OFF and remove the mains cable.
  • Page 108 Diagnostics Remove the dust filter and move the sterilizer closer to the shelf edge. Push the reset button of the thermostat switch: a click sound indicates that the thermostat switch has been reset. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 109 Diagnostics Insert the dust filter back into its original position. Connect the mains cable and place the sterilizer back into its original position. Switch the sterilizer ON. Wait for the sterilizer to finish the error reset phase and follow the instructions on the display.
  • Page 110 Diagnostics TROUBLESHOOTING TABLE Note: If your problem is not resolved, call your authorized service provider. Notice: Before sending the sterilizer for technical service, remove the mains cable, empty both water tanks and use the original or appropriate packaging. Problem Possible cause Solutions The sterilizer remains switched The mains switch or network circuit breaker is OFF.
  • Page 111 Diagnostics Problem Possible cause Solutions Corrosion or spots on Tap water on instruments when placed in the Ensure that instruments are dry before they are placed in the sterilizer. instruments. sterilizer. Use of water of poor quality or water containing Drain both water tanks.
  • Page 112 Diagnostics Problem Possible cause Solutions When the sterilizer is connected Water fill system not connected. Connect the water fill system to the sterilizer. See "Water quality" on page  126. to an automated water supply When the water fill system attempted to fill the Since water tank filling is attempted only once in-between cycle execution, this event system: there is no clean water in tank, water was temporarily unavailable.

  • Page 113: Emergency Door Opening

    Diagnostics Emergency door opening WARNING ABOUT OPENING THE DOOR IN EMERGENCY WARNING! High pressure. Risk of explosion, jet of hot steam, sudden opening of the door. Carry out the following procedure only if necessary and only when NO RESIDUAL PRESSURE IS IN THE CHAMBER. Any attempt to open the door while the unit is still hot or under pressure could expose the operator and the surrounding personnel to serious risk.
  • Page 114 Diagnostics Extract the dust filter and remove the auxiliary cable loom. Firmly open the service door. Unscrew the bacteriological filter by hand (counter-clockwise). LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 115 Diagnostics Plug two batteries into the connectors. Holding the service door pulled, plug the plastic connector into the socket behind the bacteriological filter. As soon as the door opens, unplug the plastic connector to prevent system overload and consequent damage. Put the auxiliary cable loom back in the dust filter handle and insert the dust filter in the sterilizer.

  • Page 116: Technical Data

    Technical data CONTENTS This section deals with the following subjects: Sterilization cycles Sterilization cycle phases Technical data Recommendations for validation Diagrams Water quality Accessories, spare parts, consumables Authorized W&H service partners Sterilization cycles WARNINGS For your safety and for the safety of your patients: WARNING! Never process objects different from those specified in the cycle program table and never exceed the maximum load weight limits specified in it as this could impair the sterilization process.
  • Page 117 Technical data STANDARD STERILIZATION CYCLES AVAILABLE There are four sterilization cycles available, all of them complying with the European Standard EN13060: three B-type cycles one S-type cycle Cycle Cycle name Purpose type B Universal For all your general items like hand instruments, handpieces, forceps, etc. B Extended Features an extended sterilization time, if this is required for your load or mandated in your country.
  • Page 118 Technical data Sterilization cycles B Universal 134 B Extended 134 B Universal 121 S Fast 134 Minimum duration of the drying phase (set by the user) Load type All unwrapped, bagged, single/double wrapped items: Unwrapped items: Solid Solid Hollow A (Narrow lumen) Hollow B (simple Hollow B (simple hollow item) hollow item)
  • Page 119 Technical data MAXIMUM LOAD FOR INSTRUMENTS Note: The load given includes the trays, the containers and everything is put into the chamber, with the sole exclusion of the tray rack. Instruments Bagged Unwrapped Porous LISA 17 LISA 22 LISA 17 LISA 22 LISA 17 LISA 22...

  • Page 120: Sterilization Cycle Phases

    Technical data Sterilization cycle phases COMMON LEGEND OF THE STERILIZATION CYCLE PHASES Following is the description of the sterilization phases. Code Description Pre-heating of the sterilizer. This phase is not considered a part of the cycle. PV1 - PV3 Vacuum pulse (removal of air from the sterilizer chamber/load) PV1 - PV6 PP1 - PP2 Pressure pulse (steam generation)
  • Page 121 Technical data TYPE B STERILIZATION CYCLE PHASES All type B sterilization cycles feature the same basic pressure profile as shown in the graph below. The duration and the temperature sterilization phase differ between the various cycles. LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 122 Technical data TYPE S STERILIZATION CYCLE PHASES The S Fast 134 cycle is specifically designed to sterilize unwrapped instruments, for immediate use on patients, not requiring a complete drying. Thus, the drying phase of this cycle is short, making this cycle the fastest available. LISA ...

  • Page 123: Technical Data

    Technical data Technical data INSTALLATION REQUIREMENTS Working temperature From +5 °C to +40 °C (from +41 °F to +104 °F) Working relative humidity Max. RH 80% up to 31 °C (88 °F), linearly decreasing to 50% at 40 WATER SUPPLY SYSTEM °C (104 °F) Fitting Backflow preventing device...

  • Page 124: Recommendations For Validation

    Technical data Recommendations for validation Usable space * LISA 17: 11.8 l/W: 195 mm/H: 195 mm/D: 312 mm (3 gal/W: 7.7’’/H: 7.7’’/D: 11.7’’) LISA 22: 15.2 l/W: 195 mm/H: 195 mm/D: 400 mm (4 gal/W: 7.7’’/H: 7.7’’/D: 15.4’’) TEST VALIDATION POINTS Bacteriological filter 0.3 µm LISA sterilizers can be validated in accordance to EN17665-1.

  • Page 125: Diagrams

    Technical data Diagrams CONNECTION DIAGRAMS Data communication Water system Note (*): The water filtration system must be fitted with a backflow preventing device complying to IEC 61770 and to national and local regulations. For water requirements see "Technical data" on page  123. LISA ...

  • Page 126: Water Quality

    Technical data Water quality Contaminants/minerals/qualities Value/Specification Appearance colorless, clean, free from sediment FEED WATER SPECIFICATIONS (EN 13060) Hardness < 0.02 mmol/l Notice: Do not use rust inhibitor or any other agents in the clean No chemicals or additives must be added to the Chemical additives water tank.

  • Page 127: Accessories, Spare Parts, Consumables

    Technical data Accessories, spare parts, consumables Part Picture Part number Standard chamber rack for 5 F523032X LIST OF ACCESSORIES AND SPARE PARTS aluminium trays for LISA 22 Part Usable space - Cassette size Picture Part number (mm): 188 x 21 x 400 Standard chamber rack for 5 F523031X 188 x 28 x 400...
  • Page 128 Technical data Part Part Picture Part Picture Part number number Optional chamber rack for 3 F523020X Optional chamber rack for 4 F523012X cassettes /containers* for LISA cassettes/containers* for LISA 17 Usable space - Cassette size Usable space - Cassette size (mm): 190 x 32 x 300 (mm):...
  • Page 129 Technical data Part Part Picture Part Picture Part number number Optional chamber rack for 2 F523016X Optional chamber rack for 6 F523033X cassettes /containers* for LISA aluminium trays for LISA 17 Usable space - Cassette size Usable space - Cassette size (mm): 188 x 19 x 312 (mm):...
  • Page 130 Technical data Part Part Picture Part Picture Part number number Optional chamber rack for 6 F523034X Optional chamber rack for 2 F523035X aluminium trays for LISA 22 aluminium trays and 3 wider aluminium trays for LISA 22 Usable space - Cassette size (mm): Usable space - Cassette size 188 x 19 x 400...
  • Page 131 Technical data Part Part Picture Part Picture Part number number Standard aluminium tray for LISA 22 F523211X USB-serial adapter (for the connection of the A801503X cycle report printer) (215 x 19.5 x 379 mm) Suitable for F523035X Label printer LisaSafe (label printer only) 19721109 Tray holder F523001X...

  • Page 132: Authorized W&H Service Partners

    Technical data Part Part Picture Part Picture Part When replace it number number Osmo - water demineralizer (osmotic principle) 19723100 400/800 cycle X050328X Refer to each single consumable kit component above Components: 1 door gasket Safety bracket kit X051125X 2 bacteriological filters 2 dust filters Auxiliary cable loom...

  • Page 133: Documentation Forms

    Documentation forms CONTENTS Question Answer This section deals with the following subjects: Completeness of the Instructions for Use W&H installation check-list Were all sections of the Instructions for Use of the sterilizer Yes No covered and explained during the in-service? Helix test documentation form Workplace suitability Is the allocated countertop for the sterilizer levelled and flat?
  • Page 134 Documentation forms Question Answer Question Answer 17 Have you shown the Head of the clinic/practice the maintenance Yes No 28 Have you executed a B Universal 134 cycle program with the tray Yes No program and procedures? rack and trays inserted? 18 Have you shown the Head of the clinic/practice how to use all of Yes No 29 Are all connections to the sterilizer well positioned and plugged...
  • Page 135 Documentation forms ADDRESSES FOR SENDING THE INSTALLATION CHECK-LIST Send a copy of the installation check-list duly fill-in to both of the following addresses: Fax: +43 6274 6236-55 Mail Ignaz-Glaser-Straße 53, Postfach 1 5111 Bürmoos Austria LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...

  • Page 136: Helix Test Documentation Form

    Documentation forms Helix test documentation form INSTRUCTIONS Use this page to create a logbook tracing the effectiveness of the sterilization cycle during the whole lifespan of your sterilizer. FORM Date Cycle n. Operator Released Signature Chemical indicator LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 137 Documentation forms Date Cycle n. Operator Released Signature Chemical indicator LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 138 Documentation forms Date Cycle n. Operator Released Signature Chemical indicator LISA  | Instructions for Use |  VA131 2019 ENG Rev06 |  16/04/2020 |  © 2020 W&H Sterilization Srl...
  • Page 140 Manufacturer VA131 2019 Instructions for Use W&H Sterilization Srl via Bolgara, 2 Rev06 Brusaporto (BG) 16/04/2020 Italy Subject to changes www.wh.com +39 035 66 63 000...

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