FAQ

Sterilizers

• Lara (1)
  • Warning about programmed maintenance.
    POSSIBLE CAUSE
    The maintenance program needs to be carried out.
    SOLUTION
    Contact an authorized W&H service partner.

• Lexa Plus (13)
  • Warning about programmed maintenance.
    POSSIBLE CAUSE
    The maintenance program needs to be carried out.
    SOLUTION
    Contact an authorized W&H service partner.
  • 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.
  • 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 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.
  • Warning about consumable replacement.
    POSSIBLE CAUSE
    A consumable needs to be replaced.
    SOLUTION
    Order the requested consumable (door seal and HEPA/bacteriological filter) and replace it. See the chapter “Maintenance” in the Instructions for Use.
  • 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.
  • 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.
  • At the end of the cycle, there is residual water on load.
    POSSIBLE CAUSE
    Sterilizer not properly levelled.
    SOLUTION
    Place the sterilizator on a flat, levelled 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 filters clogged.
    SOLUTION
    Remove and clean the chamber filters.
    
    POSSIBLE CAUSE
    Load incorrectly placed.
    SOLUTION
    Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.
  • Stains, spots or colour change 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).
  • 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.
  • 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.

• Lina (1)
  • Warning about programmed maintenance.
    POSSIBLE CAUSE
    The maintenance program needs to be carried out.
    SOLUTION
    Contact an authorized W&H service partner.

• Lisa (1)
  • Warning about programmed maintenance.
    POSSIBLE CAUSE
    The maintenance program needs to be carried out.
    SOLUTION
    Contact an authorized W&H service partner.

• Lexa (16)
  • 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.
  • 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 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.
  • Warning about consumable replacement.
    POSSIBLE CAUSE
    A consumable needs to be replaced.
    SOLUTION
    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 Lexa sterilizer?
    The max. noise level of Lexa is 65 dB.
  • 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 10 µS/cm should be used for your W&H sterilizer. The Multidem system is especially suited to preparing suitable water (see chapter “Water quality” in the Instructions for Use).
  • What periodic tests do I need to carry out on my Lexa sterilizer?
    Country/regional specific laws and guidelines referring to periodical testing or routine monitoring are individual and must be considered. Our recommendation for periodical testing is mentioned in the delivered IFU and depends on the integrated features in your sterilizer.
  • 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.
  • 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.
  • At the end of the cycle, there is residual water on load.
    POSSIBLE CAUSE
    Sterilizer not properly levelled.
    SOLUTION
    Place the sterilizator on a flat, levelled 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 filters clogged.
    SOLUTION
    Remove and clean the chamber filters.
    
    POSSIBLE CAUSE
    Load incorrectly placed.
    SOLUTION
    Follow the recommendations as listed in chapter “Load maintenance and preparation” in the Instructions for Use.
  • Stains, spots or colour change 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).
  • 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.
  • 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.
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

Surgical Devices

• Amadeo (16)
  • Can handpieces from another manufacturer be used on a W&H surgical motor (Amadeo)?
    The programs are tailored to the W&H straight and contra-angle handpieces; straight and contra-angle handpieces from other manufacturers do not have the same degree of efficiency level accuracy.
  • Can other brands of tubing be used?
    This is not recommended due to different technical data (materials etc.) as the use of different hoses has a direct impact on the specified and validated coolant volume of 90 ml/min.
  • Does my W&H unit need to be serviced.
    Regular servicing of function and safety including the accessories is necessary and should be carried out at least once every three years, unless shorter intervals are prescribed by law. Detailed information can be found in the user manual at chapter "Servicing".
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.
  • Which coolant hoses can I use with the Amadeo?
    Information on coolant hoses (correlation of tubing) can be found in the Instructions for use. A length of 3.5 m is specified for the motor cable, which means that the coolant hose needs to be 3.8 m long. Sterile wrapped disposable suction hoses are included in the scope of supply; these are also available as add-on parts.
  • Does the motor need to be greased?
    No, the Amadeo motor does not need greasing. The motor bearings require no maintenance. Any additional greasing would reduce the service life of the bearings.
  • How does it work to wirelessly control the Amadeo?
    W&H introduces a new concept in surgery. Via dongles (receiver), which can be connected to the unit by the doctor, the wireless foot control S-NW communicates with the surgical units of W&H.
  • What do the abbreviations ENT and CMF stand for in the pre-set programs?
    The ENT program stands for use in Ear/Nose/Throat surgery; CMF stands for Crani/Maxillofacial.
  • The Amadeo and the Implantmed Plus are both suitable for use in CMF surgery. Can the dental motor of the Implantmed (EM-19) also be used in the Amadeo or vice versa?
    No, the two motors are not compatible. While the motor of one can technically be plugged into the other, the Implantmed motor will not be recognized by the software on the Amadeo (and vice versa).
  • Is there also a motor with light contacts available for Amadeo as a basis for LED lighting?
    No, the motor with the gold contacts was not included in the medical portfolio due to the efficient lighting in operating theatres. Only the WS-75 contra-angle handpiece is also available in the LG version; depending on the speed, it can be used to generate generator-induced light in the contra-angle head.
  • Can wired or wireless foot controls from an Implantmed also be used with the Amadeo?
    Yes, the foot controls (S-N2 and S-NW) are suitable for and compatible with both units.
  • Which coolant hoses can I use with the Amadeo?
    Information on coolant hoses can be found in the Instructions for use. A length of 3.5 m is specified for the motor cable, which means that the coolant hose needs to be 3.8 m long. Sterile wrapped disposable suction hoses are included in the scope of supply; these are also available as add-on parts.
  • According to the factory settings and the approved intended use, the Amadeo can be used in five surgical applications. Is it possible to only have one/my application on the display, without having the others suggested?
    W&H recommends deleting those programs that are not used in the surgical procedure in question (e.g. ENT application -> Insertion of a hearing implant: Deletion of program sequences for ribs/thorax, orthopaedics, spine and CMF).
  • Is it possible to create an individual program sequence that differs from the factory settings?
    A further six individual programs can be created in addition to the five specified areas of application in the factory settings. The individual steps can be selected from an existing library and assigned to the new program.
  • Why are there two different screw programs in the factory settings for ‘Ribs and Thorax’ (15 rpm/30 Ncm and 150 rpm/70 Ncm)?
    The screw programs were specially designed for the RibLoc System produced by Acute Innovations and are tailored specifically to this application. The two programs differ in terms of the speed and torque; there is a slow and a fast screw-in program already available as a factory setting. In both programs, the parameters can be adjusted on the display and thus can be adapted (including for other osteosynthesis systems).
  • Which service organizations can I contact?
    The service organizations are shown on the homepage and are the same as those for the W&H dental products.

Accessories

• Multidem (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

• Seal2 (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

• Service Oil F1 (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

• Sprint (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

Straight & Contra-angle Handpieces

• Contra-angles (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

• Handpieces (1)
  • Should I call the service station before sending equipment for repair?
    If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.

Saw Handpieces

• Should I call the service station before sending equipment for repair?
  If you are not sure what the cause of the problem is, it is better to call the service station and talk to a technician. Together with the technician it can be determined what needs to be sent in and sometimes it is possible to even solve the problem right away.