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FAQ

W&H製品に関する良くある質問。及び衛生管理やケアに関する有益な情報。

ストレート・コントラアングルハンドピース

サージカル機器

カップリング

アクセサリー

ソーハンドピース

タービン

インプラント<br>安定性測定

  • Osstell Beacon (2)
    • What does ISQ stand for?
      The abbreviation ISQ stands for Implant Stability Quotient. It is a value between 1 and 100 and gives the surgeon an insight of the implant stability after placing the implant. With the ISQ value the surgeon can monitor the osseointegration.
    • Where can I buy the SmartPegs?
      Please contact your local W&H partner
      The sale of SmartPegs will be defined per country
      The surgeon will receive 5 free SmartPegs. A voucher will be provided with the delivery of the product.

エアスケーラー

アクセサリー

  • W&H Osstell ISQモジュール (7)
    • Is every new Implantmed compatible with the W&H Osstell ISQ module?
      Yes. All control units SI-1023, SI-1015 and SI-1010 can be upgraded with the W&H Osstell ISQ module
    • What does ISQ stand for?
      The abbreviation ISQ stands for Implant Stability Quotient. It is a value between 1 and 100 and gives the surgeon an insight of the implant stability after placing the implant. With the ISQ value the surgeon can monitor the osseointegration.
    • How does the measurement of the ISQ work?
      > To measure the ISQ of an implant, you first screw a so called SmartPeg into the placed implant. The SmartPeg, with its magnet on top, works like a small tuning fork. The magnet on the SmartPeg is ‘hit’ with magnetic pulses, from the probe, which makes the SmartPeg vibrate. Due to the stiffness in the interface between the implant surface and the bone the SmartPeg will vibrate accordingly. The more dense the bone is the higher stability and the higher ISQ value.
      isq scale
    • Where can I buy the SmartPegs?
      Please contact your local W&H partner
      The sale of SmartPegs will be defined per country
      The surgeon will receive 5 free SmartPegs. A voucher will be provided with the delivery of the product.
    • Is the ISQ scientifically proven?
      The Osstell ISQ technology is proven by over 1400 scientific studies. These studies have shown, that torque and ISQ correlate.
    • What’s the difference between torque and ISQ?
      Torque is a one time, static measurement at the time of placement of the implant and cannot be repeated later on in a non-invasive way. Osstell ISQ measures the lateral stability of the implant and the measurements can be repeated in a non-invasive, dynamic way to monitor the development of osseointegration.
    • Can the surgeon upgrade the unit by themself or does the unit need technical service?
      The surgeon or dental nurse can easily attach the module to the right side of the Implantmed with the help of the provided quick manual. The module is plug-n-play via a USB connection.Implantmed with ISQ model comparison

電気モーター

メンテナンス機器

  • Assistina TWIN (7)
    • What does HEPA mean, and what is filtered out of the air?
      HEPA is short for 'High Efficiency Particular Air', and the filter is classified as HEPA class E11. This means that the filter retains all particles larger than 1 µm, which includes, among other things, a wide range of bacteria and viruses, suspended particles such as dust and respirable aerosols.
    • What instrument adaptors are available for the Assistina TWIN?
      All adaptors that are suitable for the Assistina 3x2/3x3 can also be used in the Assistina TWIN. There is only one exception: the RM/ISO adaptor for the Assistina 3x2/3x3 is not compatible with the Assistina TWIN. Quick Connect adaptors ISO and RM can be used for the Assistina TWIN instead. An overview of all adaptors is available on the product website.
    • Why does the Assistina TWIN have a HEPA filter?
      During the maintenance process in the Assistina TWIN, the rotating parts are lubricated with oil and the spray channels rinsed with cleaning solution. These liquids are introduced to the handpieces using compressed air, which produces aerosols that may contain potentially contaminated body fluids (e.g. blood and saliva). In order to ensure that the apparatus poses no risk to the user, the patient or third parties, the law stipulates that aerosols must be prevented from leaking out of the apparatus. We make sure of this by using active suction and the HEPA filter. This HEPA filter must of course be changed regularly, which is why the lifespan of the filter is matched exactly to the capacity of the two cartridges. The HEPA filter therefore reaches the end of its service life once one set of cartridges has been used.
    • How does the user know when the TWIN Care Set needs to be replaced?
      The intelligent process monitoring system documents the number of maintenance cycles that have been performed, thereby automatically calculating the number of instruments that can be serviced with the remaining quantity of fluid. The user receives an alert 300 cycles before the cartridge needs replacing (the oil and cleaner LEDs on the top of the unit turn yellow in colour).
    • How often does the TWIN Care Set need to be replaced?
      The consumption volumes for each instrument are 0.07 ml of oil and 0.07 ml of cleaning solution. This gives a maximum capacity of 2857 cycles. In reality, the value is around 2800 to 2850 cycles, as initial filling is also required and the fill quantity of the cartridges is subject to certain tolerances that are regulated by the applicable standards.
    • How do you replace the TWIN Care Set?
      The two cartridges and the filter can be changed easily without any tools. As with the Assistina 3x2/3x3, the fluid is supplied via tapping needles in the bottom of the cartridge spaces that penetrate the cartridge membrane, thereby drawing the fluid out of the cartridge. The two cartridges have different shapes to ensure that the two fluid types cannot be mixed up. In addition, it is only possible to install the HEPA filter incorrectly by using force, which is not necessary.
    • Why is there no rotational lubrication option in the Assistina TWIN?
      The oil is atomized in the Assistina TWIN before it is enters the instrument. This ensures full coverage of the gear parts, eliminating the need for technically complex and time-consuming rotational lubrication. However, there is no negative impact on the maintenance quality: the results of a maintenance operation correspond to those achieved with the Assistina 301 Plus.
  • Assistina ONE (8)
    • What does HEPA mean, and what is filtered out of the air?
      HEPA is short for 'High Efficiency Particular Air', and the filter is classified as HEPA class E11. This means that the filter retains all particles larger than 1 µm, which includes, among other things, a wide range of bacteria and viruses, suspended particles such as dust and respirable aerosols.
    • What is the difference between oil nebulization and rotational lubrication?
      Final result is the same, but in a shorter time. In the nebulization system, oil is nebulized in the adaptor before it is blown into the handpiece. An oil mist coats all gear parts.
    • How often does the ONE Care Set needs to be replaced?
      The consumption volumes for each instrument are 0.07 ml of oil and 0.07 ml of cleaning solution. This gives a maximum capacity of 2857 cycles. The value is around 2800 to 2850 cycles, as initial filling is also required and the fill quantity of the cartridges is subject to certain tolerances that are regulated by the applicable standards.
    • Why there is no rotational lubrication option in the Assistina One?
      The oil is atomized in the Assistina One before it enters the instrument. This ensures full coverage of the gear parts, eliminating the need for technically complex and time-consuming rotational lubrication. However, there is no negative impact on the maintenance quality.
    • How do you replace the ONE Care Set?
      The two cartridges and the filter can be changed easily without any tools. The fluid is supplied via tapping needles in the bottom of the cartridge spaces that penetrate the cartridge membrane, thereby drawing the fluid out of the cartridge. The two cartridges have different shapes to ensure that the two fluid types cannot be mixed up. In addition, it is only possible to install the HEPA filter incorrectly by using force, which is not necessary.
    • Why does the Assistina One have a HEPA filter?
      During the maintenance process in the Assistina One, the rotating parts are lubricated with oil, and the spray channels rinsed with cleaning solution. These liquids are introduced to the handpieces using compressed air, which produces aerosols that may contain potentially contaminated body fluids (e.g. blood and saliva). In order to ensure that the apparatus poses no risk to the user, the patient or third parties, the legislation stipulates that aerosols must be prevented from leaking out of the apparatus. We make sure of this by using active suction and the HEPA filter. This HEPA filter must of course be changed regularly, which is why the lifespan of the filter is matched exactly to the capacity of the two cartridges. The HEPA filter therefore reaches the end of its service life once one set of cartridges has been used.
    • How does the user know when the ONE Care Set needs to be replaced?
      The ONE Care Set must be replaced when the cartridges are empty. The levels can be checked thanks to the device's fill level indicators, located on the right and left sides.
    • What instrument adaptors are available for the Assistina One?
      All adaptors that are suitable for the Assistina 3x2/3x3 can also be used in the Assistina One. There is only one exception: the RM/ISO adaptor for the Assistina 3x2/3x3 is not compatible with the Assistina One. Quick Connect adaptors ISO and RM can be used for the Assistina One instead. An overview of all adaptors is available in the product website.

コードレス装置

エアポリッシュ

ストレート・コントラアングルハンドピース

洗浄・除菌剤

  • BePro (5)
    • Are all disinfectants the same?
      Disinfectants are not all the same, there are many different types based on their formulation and the active principle(s) contained therein.
    • How do I choose the right disinfectant for my practice?
      Depending on the categories of pathogenic microorganisms on which the disinfectant is effective, different levels of disinfection are distinguished; high, intermediate and low. In order to ensure total safety in the practice, for both patients and operators, the choice of disinfectant to be used must always fall on a product that ensures a high level of disinfection.
    • Are there pathogens more resistant than mycobacteria?
      Yes, the most difficult pathogens to eliminate are spores and prions, for to eliminate of which it is necessary to resort to the use of the autoclave for sterilization.
    • Are all pathogens equally resistant to disinfectants?
      No, pathogens have very different resistances depending on the disinfectant substance used to try to eliminate them. The least resistant pathogens range from the encapsulated viruses up to mycobacteria, which are instead the most resistant and require a high level of disinfection to eliminate them.
    • What are the main aspects I have to consider when choosing a disinfectant?
      There are three fundamental aspects that must always be considered when choosing a disinfectant: the desired efficacy, i.e. the ability of the product to be active on a wide range of pathogens, the expected efficiency, i.e. the ability of the product to reach its maximum effectiveness in the shortest possible time and, in the case of concentrated products, with the lowest possible concentration and finally the necessary compatibility, i.e. the possibility of using the product without the risk of damaging, destroying or invalidating its use of the tool or surface to be treated.

アクセサリー

水処理装置

  • Osmo (1)
    • Which water quality should I use for my sterilizer?
      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 jeopardized. Consequently, only water with conductivity of less than 15 µS/cm should be used for your W&H sterilizer. The Water treatment devices is especially suited to preparing suitable water (see chapter “Water quality” in the Instructions for Use).

ストレート・コントラアングルハンドピース

ピエゾスケーラー

滅菌器

  • MS (3)
    • Should I pouch/wrap my instruments and how long can I store them after sterilization?
      To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer.
    • Do I need to document the results of all periodic tests?
      W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsories of recording is regulated by local/national guidelines.
    • What is validation?
      Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines.
  • Lara (24)
    • Do I need to carry out periodic testing on my Lisa/Lara/Lina/Lyla/Lexa?
      Lisa/Lara/Lina/Lyla/Lexa features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines.
    • Which water quality should I use for my sterilizer?
      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 jeopardized. Consequently, only water with conductivity of less than 15 µS/cm should be used for your W&H sterilizer. The Water treatment devices is especially suited to preparing suitable water (see chapter “Water quality” in the Instructions for Use).
    • Should I pouch/wrap my instruments and how long can I store them after sterilization?
      To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer.
    • 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 door surface facing the chamber.

      POSSIBLE CAUSE
      Internal leak.
      SOLUTION
      Contact an authorized W&H service partner.
    • 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 (only for Lisa); • in the Consumables & Accessories and Video Tutorial section of this web site.
    • Whom should I contact to validate and maintain my sterilizer?
      Validation shall be carried out by an official authority. Maintenance tasks shall be carried out by a qualified and authorised technician.
    • How long should I archive the documentation of regular tests?
      Keep the results according to your country/regional specific laws and guidelines. Those records can be of assistance in case of service as well.
    • Do I need to document the results of all periodic tests?
      W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsories of recording is regulated by local/national guidelines.
    • What is validation?
      Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines.
    • 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 building electrical supply.

      POSSIBLE CAUSE
      The power cord is not connected properly.
      SOLUTION
      Check and connect the power cord properly.
    • 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”. Information and videos relating to the cleaning of the water tanks and cleaning products can also be found on the Video Tutorial section of this web site.
    • No cycles are stored in the cycle history menu.
      POSSIBLE CAUSE
      An electronic board was replaced when serviced.
      SOLUTION
      The memory of the old board can not be restored. Consult the cycle history in the USB pen drive.
    • Stains or spots on instruments.
      POSSIBLE CAUSE
      Instruments rinsed with tap water and not dried before sterilization.
      SOLUTION
      Ensure that instruments are rinsed with distilled or demineralized water and completely 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 good quality water (see chapter “Water quality” in the Instructions for Use).

      POSSIBLE CAUSE
      Organic or chemical residues on the instruments
      SOLUTION
      Clean, rinse and dry instruments before placing them in the sterilizer (see chapter “Load maintenance and preparation” in the Instructions for Use.

      POSSIBLE CAUSE
      Dirt in chamber, trays, tray rack.
      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 each other (aluminium, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (see chapter “Load maintenance and preparation” in the Instructions for Use).

      POSSIBLE CAUSE
      Scale deposits on the chamber.
      SOLUTION
      Clean the chamber and use good quality water (see chapter “Water quality” in the Instructions for Use).
    • 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.
      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 for interference between the door and the chamber furniture and/or the load.
    • The sterilizer enters into “Standby mode” immediately after being switched on.
      POSSIBLE CAUSE
      The unit was turned off while in standby mode.
      SOLUTION
      Press the standby mode button to exit.
    • 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, contact an authorized W&H service partner.
    • Warning about saving to the USB (HTML and SCL files)
      POSSIBLE CAUSE
      The USB mass storage is disconnected or full.
      SOLUTION
      Check presence and condition of the USB pen drive. If the problem persist, contact an authorized W&H service partner.
    • Warning about programmed maintenance.
      POSSIBLE CAUSE
      The maintenance program needs to be carried out.
      SOLUTION
      Contact an authorized W&H service partner.
    • The sterilizer is connected to an automated water supply system, there is no clean water in the tank and the automatic water filling does not fill the water.
      POSSIBLE CAUSE
      Water filling system not connected.
      SOLUTION
      Connect the water filling system to the sterilizer. (see ANNEX 7 For water quality requirements see chapter “Water quality” in the Instructions For Use).

      POSSIBLE CAUSE
      When the water filling system attempted to fill the tank, water was temporarily unavailable.
      SOLUTION
      Since the 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
      Contact an authorized W&H service partner.
    • At the end of the cycle, there is residual water in the chamber.
      POSSIBLE CAUSE
      Sterilizer not properly levelled.
      SOLUTION
      Place the sterilizator on a flat, level surface.

      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 “Monthly or 50-cycle maintenance - Cleaning the chamber filter” in the Instructions for Use).

      POSSIBLE CAUSE
      Load incorrectly placed.
      SOLUTION
      Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.
    • The cycle report printer does not work.
      POSSIBLE CAUSE
      Printer not properly connected or not powered.
      SOLUTION
      Check the data and power connection to the printer.
    • Warning about consumable replacement.
      POSSIBLE CAUSE
      A consumable needs to be replaced.
      SOLUTION
      Order the requested consumable (door seal, dust filter, bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.
    • Does my sterilizer need any periodic qualification/validation?
      Validation generally comprises a range of tests defined in internationally recognised standards. These tests begin for every device with the factory tests at W&H. In addition, corresponding documentation is included with your device. Prior to commissioning the device at your premises, the technician performs further checks to ensure the device functions correctly. Then, depending on the national/regional laws and directives, the device must be subjected to a so-called renewed performance qualification at regular intervals. For further information, please contact your dealer.
    • What is the maximum noise level of the Lara sterilizer?
      The max. noise level of Lara is 66.9 dB.
  • Lina (23)
    • Do I need to carry out periodic testing on my Lisa/Lara/Lina/Lyla/Lexa?
      Lisa/Lara/Lina/Lyla/Lexa features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines.
    • Which water quality should I use for my sterilizer?
      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 jeopardized. Consequently, only water with conductivity of less than 15 µS/cm should be used for your W&H sterilizer. The Water treatment devices is especially suited to preparing suitable water (see chapter “Water quality” in the Instructions for Use).
    • Should I pouch/wrap my instruments and how long can I store them after sterilization?
      To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer.
    • 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 door surface facing the chamber.

      POSSIBLE CAUSE
      Internal leak.
      SOLUTION
      Contact an authorized W&H service partner.
    • 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 (only for Lisa); • in the Consumables & Accessories and Video Tutorial section of this web site.
    • Whom should I contact to validate and maintain my sterilizer?
      Validation shall be carried out by an official authority. Maintenance tasks shall be carried out by a qualified and authorised technician.
    • How long should I archive the documentation of regular tests?
      Keep the results according to your country/regional specific laws and guidelines. Those records can be of assistance in case of service as well.
    • Do I need to document the results of all periodic tests?
      W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsories of recording is regulated by local/national guidelines.
    • What is validation?
      Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines.
    • 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 building electrical supply.

      POSSIBLE CAUSE
      The power cord is not connected properly.
      SOLUTION
      Check and connect the power cord properly.
    • 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”. Information and videos relating to the cleaning of the water tanks and cleaning products can also be found on the Video Tutorial section of this web site.
    • No cycles are stored in the cycle history menu.
      POSSIBLE CAUSE
      An electronic board was replaced when serviced.
      SOLUTION
      The memory of the old board can not be restored. Consult the cycle history in the USB pen drive.
    • Stains or spots on instruments.
      POSSIBLE CAUSE
      Instruments rinsed with tap water and not dried before sterilization.
      SOLUTION
      Ensure that instruments are rinsed with distilled or demineralized water and completely 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 good quality water (see chapter “Water quality” in the Instructions for Use).

      POSSIBLE CAUSE
      Organic or chemical residues on the instruments
      SOLUTION
      Clean, rinse and dry instruments before placing them in the sterilizer (see chapter “Load maintenance and preparation” in the Instructions for Use.

      POSSIBLE CAUSE
      Dirt in chamber, trays, tray rack.
      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 each other (aluminium, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (see chapter “Load maintenance and preparation” in the Instructions for Use).

      POSSIBLE CAUSE
      Scale deposits on the chamber.
      SOLUTION
      Clean the chamber and use good quality water (see chapter “Water quality” in the Instructions for Use).
    • 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.
      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 for interference between the door and the chamber furniture and/or the load.
    • The sterilizer enters into “Standby mode” immediately after being switched on.
      POSSIBLE CAUSE
      The unit was turned off while in standby mode.
      SOLUTION
      Press the standby mode button to exit.
    • 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, contact an authorized W&H service partner.
    • Warning about saving to the USB (HTML and SCL files)
      POSSIBLE CAUSE
      The USB mass storage is disconnected or full.
      SOLUTION
      Check presence and condition of the USB pen drive. If the problem persist, contact an authorized W&H service partner.
    • Warning about programmed maintenance.
      POSSIBLE CAUSE
      The maintenance program needs to be carried out.
      SOLUTION
      Contact an authorized W&H service partner.
    • The sterilizer is connected to an automated water supply system, there is no clean water in the tank and the automatic water filling does not fill the water.
      POSSIBLE CAUSE
      Water filling system not connected.
      SOLUTION
      Connect the water filling system to the sterilizer. (see ANNEX 7 For water quality requirements see chapter “Water quality” in the Instructions For Use).

      POSSIBLE CAUSE
      When the water filling system attempted to fill the tank, water was temporarily unavailable.
      SOLUTION
      Since the 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
      Contact an authorized W&H service partner.
    • At the end of the cycle, there is residual water in the chamber.
      POSSIBLE CAUSE
      Sterilizer not properly levelled.
      SOLUTION
      Place the sterilizator on a flat, level surface.

      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 “Monthly or 50-cycle maintenance - Cleaning the chamber filter” in the Instructions for Use).

      POSSIBLE CAUSE
      Load incorrectly placed.
      SOLUTION
      Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.
    • The cycle report printer does not work.
      POSSIBLE CAUSE
      Printer not properly connected or not powered.
      SOLUTION
      Check the data and power connection to the printer.
    • Warning about consumable replacement.
      POSSIBLE CAUSE
      A consumable needs to be replaced.
      SOLUTION
      Order the requested consumable (door seal, dust filter, bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.
    • Does my sterilizer need any periodic qualification/validation?
      Validation generally comprises a range of tests defined in internationally recognised standards. These tests begin for every device with the factory tests at W&H. In addition, corresponding documentation is included with your device. Prior to commissioning the device at your premises, the technician performs further checks to ensure the device functions correctly. Then, depending on the national/regional laws and directives, the device must be subjected to a so-called renewed performance qualification at regular intervals. For further information, please contact your dealer.
  • Lisa (24)
    • Do I need to carry out periodic testing on my Lisa/Lara/Lina/Lyla/Lexa?
      Lisa/Lara/Lina/Lyla/Lexa features test cycles (B&D/Helix test, Vacuum test). Compulsory and frequency of testing are regulated by local/national guidelines.
    • Which water quality should I use for my sterilizer?
      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 jeopardized. Consequently, only water with conductivity of less than 15 µS/cm should be used for your W&H sterilizer. The Water treatment devices is especially suited to preparing suitable water (see chapter “Water quality” in the Instructions for Use).
    • Should I pouch/wrap my instruments and how long can I store them after sterilization?
      To ensure that your instruments are stored in a sterile state from their successful sterilization until they are used, W&H recommends wrapping them in suitable sterile barrier systems before sterilization. The recommended storage period can be found in the recommendations of the wrapping material manufacturer. For further information, please contact your dealer.
    • 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 door surface facing the chamber.

      POSSIBLE CAUSE
      Internal leak.
      SOLUTION
      Contact an authorized W&H service partner.
    • 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 (only for Lisa); • in the Consumables & Accessories and Video Tutorial section of this web site.
    • Whom should I contact to validate and maintain my sterilizer?
      Validation shall be carried out by an official authority. Maintenance tasks shall be carried out by a qualified and authorised technician.
    • How long should I archive the documentation of regular tests?
      Keep the results according to your country/regional specific laws and guidelines. Those records can be of assistance in case of service as well.
    • Do I need to document the results of all periodic tests?
      W&H recommends recording all periodic tests, repairs and modifications on the sterilizer in a logbook including date and signature of the person who carried out the test or other activity. Compulsories of recording is regulated by local/national guidelines.
    • What is validation?
      Validation is a testing procedure carried out by an official authority, proving the effectiveness of your sterilizer. Compulsories and frequency of validation are regulated by local/national guidelines.
    • 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 building electrical supply.

      POSSIBLE CAUSE
      The power cord is not connected properly.
      SOLUTION
      Check and connect the power cord properly.
    • 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”. Information and videos relating to the cleaning of the water tanks and cleaning products can also be found on the Video Tutorial section of this web site.
    • No cycles are stored in the cycle history menu.
      POSSIBLE CAUSE
      An electronic board was replaced when serviced.
      SOLUTION
      The memory of the old board can not be restored. Consult the cycle history in the USB pen drive.
    • Stains or spots on instruments.
      POSSIBLE CAUSE
      Instruments rinsed with tap water and not dried before sterilization.
      SOLUTION
      Ensure that instruments are rinsed with distilled or demineralized water and completely 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 good quality water (see chapter “Water quality” in the Instructions for Use).

      POSSIBLE CAUSE
      Organic or chemical residues on the instruments
      SOLUTION
      Clean, rinse and dry instruments before placing them in the sterilizer (see chapter “Load maintenance and preparation” in the Instructions for Use.

      POSSIBLE CAUSE
      Dirt in chamber, trays, tray rack.
      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 each other (aluminium, carbon or stainless steel, etc.); place them on different trays or cassettes or pouch them (see chapter “Load maintenance and preparation” in the Instructions for Use).

      POSSIBLE CAUSE
      Scale deposits on the chamber.
      SOLUTION
      Clean the chamber and use good quality water (see chapter “Water quality” in the Instructions for Use).
    • 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.
      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 for interference between the door and the chamber furniture and/or the load.
    • The sterilizer enters into “Standby mode” immediately after being switched on.
      POSSIBLE CAUSE
      The unit was turned off while in standby mode.
      SOLUTION
      Press the standby mode button to exit.
    • 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, contact an authorized W&H service partner.
    • Warning about saving to the USB (HTML and SCL files)
      POSSIBLE CAUSE
      The USB mass storage is disconnected or full.
      SOLUTION
      Check presence and condition of the USB pen drive. If the problem persist, contact an authorized W&H service partner.
    • Warning about programmed maintenance.
      POSSIBLE CAUSE
      The maintenance program needs to be carried out.
      SOLUTION
      Contact an authorized W&H service partner.
    • The sterilizer is connected to an automated water supply system, there is no clean water in the tank and the automatic water filling does not fill the water.
      POSSIBLE CAUSE
      Water filling system not connected.
      SOLUTION
      Connect the water filling system to the sterilizer. (see ANNEX 7 For water quality requirements see chapter “Water quality” in the Instructions For Use).

      POSSIBLE CAUSE
      When the water filling system attempted to fill the tank, water was temporarily unavailable.
      SOLUTION
      Since the 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
      Contact an authorized W&H service partner.
    • At the end of the cycle, there is residual water in the chamber.
      POSSIBLE CAUSE
      Sterilizer not properly levelled.
      SOLUTION
      Place the sterilizator on a flat, level surface.

      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 “Monthly or 50-cycle maintenance - Cleaning the chamber filter” in the Instructions for Use).

      POSSIBLE CAUSE
      Load incorrectly placed.
      SOLUTION
      Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.
    • The cycle report printer does not work.
      POSSIBLE CAUSE
      Printer not properly connected or not powered.
      SOLUTION
      Check the data and power connection to the printer.
    • Warning about consumable replacement.
      POSSIBLE CAUSE
      A consumable needs to be replaced.
      SOLUTION
      Order the requested consumable (door seal, dust filter, bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.
    • Does my sterilizer need any periodic qualification/validation?
      Validation generally comprises a range of tests defined in internationally recognised standards. These tests begin for every device with the factory tests at W&H. In addition, corresponding documentation is included with your device. Prior to commissioning the device at your premises, the technician performs further checks to ensure the device functions correctly. Then, depending on the national/regional laws and directives, the device must be subjected to a so-called renewed performance qualification at regular intervals. For further information, please contact your dealer.
    • What is the maximum noise level of the Lisa sterilizer?
      The max. noise level of Lisa 2019 is 64.3 dB.

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