Home
        OPERATING INSTRUCTIONS Vacuum tissue processor MTM I
         Contents
1.    55129 Mainz   Germany   Tel    49  61 31 9 58 71 0  Fax   49  61 31 9 58 71 722  email slee de  http  Awww slee de    89    
2.   04   P V TIMEOUT   EXPLANATION The instrument is not able to create the proper vacuum in the processing  chamber at the scheduled time  The processor will not try anymore to  create vacuum in that step and will go on with the program  During the  next step  if scheduled  it will try again    CAUSE not perfect sealing of the lid gasket    SOLUTION check and clean the lid gasket     05   FULL FILL P   EXPLANATION Excessive level of reagent in the bottle during the fill  the overfill is  recognized and the filling is stopped before it can produce a failure  The  process can continue without problems    CAUSE Excessive level of reagent in the bottle    SOLUTION Verify reagent levels     06   ABORTED STEP   EXPLANATION it is impossible to fill the content of a bottle into the SPC  The bottle will  be jumped and the following bottle in the process list will be used  the  time of the aborted step will be added to the current one  If the attempt  succeeds the process can continue without problems  In case also the  following bottle cannot be filled the process is interrupted and the  instrument indicates alarm 53     LINE CLOGGED    CAUSE Full clogging somewhere in the part of the hydraulic circuit of the jumped  bottle    SOLUTION Verify where possible the bottle pipeline     Instructions     MTM   72       7   FILE NOT FOUND   EXPLANATION File not found or corrupted in the long term computer memory  the  recovery system replaces the lost or incomplete file from a backup copy    C
3.   and for operative precautions  the power switch is placed on the  rear of the instrument     e Access to the instrument s internal components is reserved only to  specialists trained in the service of the instrument     e Always disconnect the processor from the electrical main source  before accessing the electronics and internal parts     e BEFORE replacing fuses  disconnect the instrument from the power  source     Instructions     MTM         e Always make certain to correctly engage the reagent bottles     e DO NOT open the processing chamber lid when the instrument is  working without following the instructions contained in this  manual        e Use specific precautions in handling flammable reagents such as  ethanol  wear protective gloves and eyeglasses      e Use specific precautions in handling liquid waxes as they can cause  burns     e The emptying and filling of reagent bottles must only be done only  by qualified technicians     e Due to the presence of flammable substances inside reagents  bottles  it is recommended to     o Avoid smoking near the instrument    o Avoid using open flames near the instrument  e g  Bunsen  burner     o DO NOT wear clothes that can create electrostatic charges  while handling reagents  wool  synthetic fibres  etc      e Contaminated reagent waste must be disposed off in accordance  with all applicable local laws  ordinances and safety standards     e Use only original spare parts supplied by the manufacturer or by  authorized dea
4.   but by respecting the principle of not  entering more than 59 at the end of the time string  nothing unexpected will happen     If a time of 0 hours and 0 minutes is set  the step will be ignored even if the other  parameters  temperature and vacuum  are set  The station time includes the reagent  filling and draining times  approx  3 minutes      Reagents and paraffin temperature settings    The selectable reagent temperature range is  0 for ambient  from 20   45   C     The selectable wax temperature range is  52   65   C     Instructions     MTM   52       Processing pressure   The Pressure Vacuum field allows the selection of the following options    A   ambient pressure   V   vacuum  SPC pressure will be lowered to 600 HPa below ambient   P   pressure  SPC will be pressurized up to 200 HPa above the ambient   P V   an alternating cycle with an 8 minute frequency of pressure and vacuum    Varying the pressure in the processing chamber facilitates reagent infiltration into tissue  specimens  The following P V settings are recommended     Biopsies   Vacuum or ambient pressure   Samples of normal size   vacuum in every station   Mix of biopsies and normal samples   vacuum in every station  Large samples   cycles of pressure and vacuum in every station    It is not recommended to simultaneously process samples of very different sizes     Reagent agitation    Reagent mixing in MTM I is accomplished by bubbling air up from the bottom of the  processing chamber  Select from th
5.   different utilization of the reagents  The reagent management is made more complex by  the fact that  while slow overnight processes use all the reagents  fast processes use only  a few reagents  normally one per group  Moreover in these fast short processes there is  the need to use the best reagent for each group     The concept of    homogeneous group    is based on the type of reagent and the kind of  work that it does  In the tissue processing 4 fundamental types of reagent can be  identified     1  Fixative   2  Dehydrant  3  Clearing   4  Embedding    The dehydrants can be split in two sub groups  low and high gradation  Sometimes a  bottle with water is set between fixative and dehydrant to remove from the samples as  more as possible fixative that in contact with alcohol can form noxious salts     Thus  considering that a group can be constituted by one bottle  usually in a tissue  processor there are 4 to 6 groups  Some users set the the dehydrant in a way to form a  incremental scale that can bring the number of groups over the above mentioned total  of 6     It is here important to note that the MTM I RMS accepts a maximum of 8 groups  It is  highly advisable to not form too many groups  5 or 6 groups are the ideal situation for a  successful reagent management and the samples best quality  Particularly a maximum    Instructions     MTM   26       of two groups of dehydrants are sufficient to guarantee a correct incremental alcohol  gradation  But also a single 
6.   is recommendable that all reagents will be replaced prior to use the instrument again     Instructions     MTM   34       Purge reagents limits setting    The purge reagents are also under the supervision of the RMS  It is therefore sufficient  that the RMS is active to have it recommend the substitution of the purge reagents  every 3 to 9 processes  The recommended number of processes for the substitution of  the purge reagents are as follows     e Cleaning only the SPC  9 processes  e Cleaning the SPC and the baskets  5 processes    The aforementioned quantity is valid for correct use of the instrument  It is  however   contingent upon the manual removal of as much residual paraffin as possible  from the  lid and SPC  before beginning the purge cycle     Please note  if the purge reagents are replaced before their counter reaches the preset  limit  it will be necessary to reset the counter by using the    RMS Single Counter Reset     function     Charcoal filters limits setting    The charcoal filters are also administered by the RMS  In addition to the percentage  indicator visible on the Main menu  with 0  representing a new filter and 100   representing an expended filter   when the filters reach or exceed their preset limits  the  RMS will prompt the user to replace them at the same time he is prompted to replace    reagents     The charcoal filters should be replaced between a minimum of 60 and a maximum of  120 processes based upon the following factors     e Withou
7.  1  Xylene or substitutes   P2 Purge agent 2  Ethyl Alcohol 95 100     01 10 Reagents    11 14 Waxes    TRTTCETTRT       ial      FILL Filling Port for RFD system        DRAIN Draining Port for RFD system E              Compatible reagents  The following reagents can be utilized in the MTM I without any risk of damage     Water  Formalin  Ethyl alcohol  pure or denatured   Methyl alcohol  Xylene  Xylene  substitutes  Paraffin Wax    The following materials are used in the construction of the MTM I  Reagents other than  those listed above can be utilized in the instrument if they DO NOT damage the  materials listed     Stainless steel Processing chamber  Rotating valve  connectors  Teflon Rotating valve  air pump   Kynarflex Reagent pipes   Viton Seals   Glass Vapor trap   HDPE Wax and reagent bottles    Delrin  Acetalic resin  Connectors  Nickel Air connectors  solenoid valves    The manufacturer is NOT responsible for damages due to the use of reagents NOT listed  here     Instructions     MTM I 41    DO NOT use Acetone  Benzene or Trichloroethane  We also advise against  the use of fixatives containing mercury salts  acetic or picric acid as they  may corrode the metal components of the instrument and shorten a  component s useful life        Filling reusable reagent bottles    The emptying and subsequent refilling of reusable reagent bottles must  be done in accordance with all safety regulations for handling flammable  and toxic substances  The procedure must be performed
8.  especially when the work done is multiple and complex  as it is during the  RFD      Instructions     MTM I 21          If the RFD is under password its usage will be protected during an execution of it from  the RMS even if the RMS is not protected  There are different levels of protection that  can be achieved with this system     1  Total protection  all functions activated   2    Programming protection  only the instrument programming functions are  activated   Edit Process  RMS Setup  Parameters Setup    3  Mid level protection  recommended   only critical functions are protected  Edit    Process  Abort Process  RMS Setup  Parameters Setup  Service     Of course  also to access the password map modification it is necessary to know the  current password     Data Prints  From this menu it is possible to print on paper the most important instrument data     If the printer port is active and the MTM   printer is connected to the system the prints  will be executed on paper  vice versa  if the printer is not active  independently from its  presence   the prints will be executed on the screen    The two prints relative to the RMS are also executable from the RMS setup menu   Please see in the following pages some example of printing on the screen  the paper  prints are very similar     Instrument setup   This print shows the setup of the instrument most important parameters    It is recommendable to print it anytime once the parameter has been changed  In case a  paper printe
9.  following day at the same hour   In this case the End time  target regards only the hour and the minute     The Week end program will be instructed to finish the following Monday at  the desired hour  Every time it will be started again the computer will  propose for the End time the following Monday at the same hour   in this  case the End time target regards  other than hour and minute  also the day     Obviously the instrument needs sufficient time to complete the selected  process  If it isn   t possible to complete a process at the desired time  the  computer will propose a different End time  For example  if a 12 hours  program is started at 9 00pm and the desired End time was 7 30am  there is  not enough time to complete the process without cutting its time  Therefore    Instructions     MTM   57       the computer will automatically adjust the Process End time  so that the 12   hour processing schedule is maintained  by finishing at 9 00am the following  morning   In any case it is highly recommended that the user verify time  day and date of process  completion before starting a program  If the End time is incorrect  after the start of a  program the only user option is to abort the process and restart it again with a corrected  End time  Process programs can not be edited during processing     Midweek holidays  There are two convenient solutions for handling midweek holidays     e Create a third standard program  named for example    HOLIDAYS     where  the particu
10.  is used to empty the SPC in case for any reason  for example a blocking  alarm during a process  reagent residue are still present into it     Before to use this function it is important to remove the cause that create the alarm  for  example by substituting the SPC lid gasket if the alarm was vacuum pressure related      Activating this function firstly the processor checks the status of the rotary valve and the     SPC last    and    SCP cont     flags  In case of inconsistency between the flags and the  rotary valve position  or in case the position of the rotary valve is unknown  POS value    to 99   the processor will require the operator to decide in which bottle drain the SPC  content     In this case it is solely responsibility of the operator to choose the right bottle  an empty  bottle or a bottle with a residue volume sufficient to contain the SPC content      Pressing ENTER the processor will perform a normal drain procedure  in case of blocking  alarms the procedure will be stopped     Caution  do not use this function in case of not melted wax would be  present in the SPC  In this case it is necessary to first melt the wax with  the service function    SPC HEATING        When the wax is completely melted the drain procedure can be started  Assure to  choose a rotary valve position from 11 to 14     For safety reasons  in case of reagent in the SPC  the SPC lid must remain closed all  time     Vacuum test    The instrument will create vacuum in the SPC  this tes
11.  possible source  of malfunction     Start Wax Clean  Cycle    If for any reasons the WCC has been interrupted or not allowed to start automatically  it  can be started manually by this function  If a process has been performed it is  mandatory to run a purge cycle before the WCC start     RMS prints   From the RMS Menu it is possible to print the following information   e RMS situation  e RMS setup    It is always advisable to print the RMS settings and status before and after any  meaningful change made on it  A printout of the RMS status can be useful if there is a  doubt that something didn t work properly during the reagent substitution and a check  of the reagent situation and relative limits becomes necessary     Instructions     MTM   36       Using the RMS    Using the RMS is certainly simpler than setting it  it will be sufficient to follow its  instructions  requests of bottles substitution  when  after the execution of a process and  the purge  and if any of the predefined limit has been reached or exceeded  the RMS  screen will automatically appear     The RMS can be accessed manually by pressing the respective reagent bottle in the main  display        Bottle 1  Reagent FORMALIN  Limit 0  DAF 0  Cassettes 0   0       m li   ase eee ee    Instrument READY    In the example shown above none of the reagent requires maintenance  In this case  in  place of instructions for bottles substitution  the situation of the RMS appears showing           LIMIT   predefined lim
12.  the RMS has been regularly executed  any request for execution from the  Main Menu will be prompted to the screen seen in the previous page     To avoid mistakes it is advisable to faithfully follow the given  instructions and to confirm  by pressing ENTER  each singular  substitution  The reagents must be substituted ONLY if their  number appears both on the bottle and on the right side of  the screen  Is it possible but not recommended to suspend  the RMS operations  by pressing ESC  then later restart  by  pressing RMS from the Main Menu  and complete it     As explained before  on the right side of the screen  all the limits and the counters are  shown to give to the operator the exact situation of the reagents quality  In case a bottle  counter is too close or exceeds the limit  please don t forget that the substitution is  requested by the RMS for only one reagent per group  the user may decide to substitute  it  overriding in this way the RMS   by using the RFD  from the Main Menu  or manually   in this second case it is important to not forget to reset the counter manually  from the  RMS setup menu      Instructions     MTM   38       The choice to do it or not  depends mostly from the kind of process that will have to be  executed next  in case it is known that it will be a full load sample or it will be a process  of difficult samples it may be useful to substitute some more reagent other than those  that have been requested by the last RMS     From this sample scr
13.  the instrument automatic data backup   The instrument is equipped with a USB interface  Data backup can be performed  manually in the service menu  or it can be enabled automatic once a day  The backup  will save files with data regarding  process programs  settings  calibrations  progressive  data  etc  In case of memory failure  after its substitution  it will be possible to restore  the instrument data   In case of instrument failure the USB memory must be  removed from the USB interface and stored in a safe place  available for service technicians  If the automatic data backup  is enabled a USB memory stick with sufficient free memory  must be inserted into the USB interface  Every 3 or 4 months  it is advisable to substitute it with a new one     7 10 SPC LID OPENED CLOSED SENSOR   The SPC lid status is controlled by a micro switch sensor  If the lid is closed but the  system displays that it is open  probably the micro switch is broken or out of position   Waiting for service  from this function the sensor can be disabled  after that it is possible  to continue to operate the instrument    If the micro switch is disabled the SPC lid indicator will show the label    DISAB     Please  note that the sensor can reveal the lid complete opening but cannot sense its perfect  closing  Thus if the lid is simply turned down but the lock is not engaged  the sensor  may indicate lid closed  but the instrument will not be available for processing  The  instrument will allow the pro
14.  the system doesn t have a password    Instrument READY       Password general rules        every time the password is requested there are 15 seconds time to type it and  press ENTER to confirm  after that time  if ENTER is not pressed  the system goes  back to the originating screen       in case of wrong password the system shows a specific error message and after  3 seconds goes back to the originating screen     after three wrong password insertions  the system issues the ALERT 34  see    Alarms chapter   but the system continues to work and it is possible to continue  to type passwords      the password length is from 1 to 6 characters or numbers  mix is allowed       also empty spaces are omitted in the password composition    Instructions     MTM I 19          Enable Disable Password  This function allows the enabling and disabling of the Password  If the password is not  active the systems requires the definition of a new one     If the password is active the system allows the disabling by typing the current password  correctly  We recommend to carefully keep note of the password before the activation   because once activated there is no way to deactivate it without knowing it  In case the   password is lost it is necessary the intervention of our technical service to deactivate or   retrieve it     During the activation the password is clearly shown on the screen to avoid typing  mistakes  later on  to avoid others to see the typed password  in place of letters or  n
15.  will be now possible to modify the names that will identify the process programs   Beware  the last label  the 12th  regards the inverted process and cannot be modified   Press ENTER to save changes and to go back to the previous menu    Press ESC to abort changes and to go back to the previous menu    Preparing the reagent name labels  The most common reagent names are already set in factory   It is possible to modify them as desired     The same operations described in the previous paragraph can be used to edit the  reagent names  Select    REAGENT    setup from cascade menu    SETUP        Press ENTER to save changes and to go back to the previous menu    Press ESC to abort changes and to go back to the previous menu    TIME and DATE  Select    TIME and DATE    from the    SETUP    menu   A screen opens to display day  month  year  hour  minute and second     With arrow keys  point the cursor on the field to be changed  then increase or decrease  its values with         and         keys     Press ENTER to save changes and to go back to the previous menu     Press ESC to abort changes and to go back to the previous menu     Instructions     MTM   50       Programming processes    Select a process program by pressing the START button on the right side of the Main  display and then choose EDIT PROTOCOL     A new screen will open showing the entire process content        PROCESS    STATUS    TOT  TIME    STEP REAGENT TIME TMP PV MX  01 00            Instrument READY    With t
16.  with proper  ventilation and away from open flames and or electrical circuits        Bottles must be filled to the indicated level  a volume of 2 5 liters     When exchanging bottles  use the special screw caps supplied with the  instrument to avoid reagent spillage and fumes     After emptying  dirty or encrusted bottles must be replaced with new  ones  Avoid cleaning them with solvents or similar products     The o rings and all the openings on the quick couplers should be checked  periodically for cleanliness  If the quick couplers leak  the o rings should  be replaced  If leakage problems persist  contact our customer service     Instructions     MTM   42          RFD     Remote Fill and Drain system    The Remote Fill and Drain allows the draining and the filling of the reagent bottles  with  the exclusion of the waxes  without removing them from their slots         PROCEDURE     STATUS        i      n ER GR  GR a ae fete fom    Instrument READY    The RFD connectors are placed in the front of the instrument as shown in the picture  In  the left side there is the one for the FILL while in the right there is the one for the  DRAIN  To those ports it is necessary to connect the hoses with quick connectors and  90   elbows that will be placed inside the external bottles with the waste and the clean  reagent  The RFD can work in three different modalities        Modality    DRAIN and FILL      e The MTM   fills the SPC with the content of the chosen bottle     e Then it dra
17. 3     23   PROC SUSP INDEF  EXPLANATION The process has been indefinitely suspended due to the extended opening    CAUSE    SOLUTION    of SPC lid or lack of electrical power when the instrument is equipped  with the UPS and the batteries are too low  see alarm 22     In case of suspension  see alarm 20 and 21  the process must be restored  within 3 minutes  over that limit the suspension is considered unwanted or  accidental and this alarm is issued to not mistakenly confuse the situation  with the temporary suspension  A sound signals the potentially faulty  situation to the users  This alarm is also issued on instruments equipped  with UPS when there is a power failure and the batteries charge is not  sufficient to keep the instrument alive  the process has been suspended  and the instrument prepare itself to the complete power failure    see alarms 20  21 and 22    30   RHS POSTPONED  EXPLANATION The RMS  Reagent Management System  is an automatic feature that    CAUSE  SOLUTION    periodically requests the user the substitution of certain reagents in  relationship to pre determined plans  The user may decide to postpone  the execution of an RMS request  but in this case an alarm is issued and  stored in the memory for future consultation  If the RMS is postponed only  once nothing bad can happen to the processing quality  but in case of  more than once postponing events the quality of the reagents may go  under an acceptable level    The RMS execution has been postponed 
18. 30 minutes     Alarms File  This function displays the last 100 alarms   From left to right are shown   date    time    alarm    step in which the alarm was issued    Only 18 alarms at time are shown starting from the more recent  With the key DOWN it  is possible to show the remaining     Instructions     MTM   85       Data Backup    With this function it is possible to save on a USB memory data files  later  in case of  need  the saved files can be restored into the instrument memory  The restore operation  can be performed only by the service technicians     Before to start this function it is necessary to insert in the USB interface a USB memory  with free memory without writing protection     From this function it is possible to either copy onto the USB memory   e only the files with extension  dat  data files  contained in the DOC  e all files contained in the DOC  For reasons related to the program files safety this two operations differ as follow     e by simply activating this function the computer will copy only the files with  the extension  dat  data files      e By activating this function and keeping pressed the reset button  located in  the rear panel  the computer will copy all files     Be careful during these operations  If the USB memory inserted in the  USB interface is not empty  the disk space can be insufficient to backup  all files  Always use blank and formatted USB memories     Reset flag    This function has the same effect of the Reset Button on t
19. 5 SPC LID GASKET REPLACEMENT    The processing chamber lid gasket is made of VITON rubber  a DUPONT trademark   It  needs to be periodically greased with TEFLON grease  When replacing it  use a plastic  sharp tool  not a metallic one  to extract the gasket     Before to insert a new gasket carefully clean the gasket housing slot     The gasket replacement may be not easy due to the fact that  to keep it in place  its  lenght is purposely longer than the slot in the lid  The lenght excess must be     distributed    on all slot sides  The insertion is normally possible  with a little bit of  patience  after one or two attempts     12  SERVICE    Internal components should only be serviced by technicians authorized by SLEE     If technical service or spare parts are necessary  please contact your local SLEE Medical  distributor  Please have the following information available     e Complete contact details   e Type of instrument and serial number  e Software version installed   e Place of instrument and name of user  e Purpose of service call    e Delivery date of the unit    If it is necessary to return the instrument  it must be cleaned and disinfected before  delivery  It must be returned in its original packing     If the instrument or parts thereof are sent back in a dirty or non disinfected condition   SLEE reserves the right to return the parts to the debit of the customer     Instructions     MTM   83       12 1 FIRST AID INSTRUMENT ASSISTANCE  Drain SPC    This function
20. AUSE Transitory malfunction of the CPU memory    SOLUTION No intervention by the user is possible  If the problem persists  contact our  technical service     08   LONG DRAIN   EXPLANATION The time required to drain the SPC was excessive    CAUSE Insufficient pressure in the SPC due to  not fully efficient air pump  an air  leak in the pneumatic circuit or an air leak from the SPC lid gasket    SOLUTION   Check the SPC lid gasket  contact our service department for other causes     9   WWC TEMP LOW   EXPLANATION During the process but before the first wax step  the temperature of the  wax chamber dropped down to a level not sufficient to guarantee the wax  melting  the process continues till the last reagent  If the problem persists   before the draining of the last reagent  the process is stopped   See alarm  60    CAUSE The thermo regulation system of the wax chamber is out of order    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     10   PNV TIMEOUT   EXPLANATION The PNV  Pressure Normalize Valve  is the solenoid valve that provide to  normalize the pressure inside the SPC  making it the same of the ambient  pressure   if the pressure doesn   t normalize within 3 minutes from the  intervention of the PNV this alarm is issued    CAUSE Possible malfunction of  PNV  IOB  wiring  Possible clogging of the pipeline  between the SPC and the PNV    SOLUTION Check  and in case clean  the small ho
21. M I can work properly with the bottles charged from a minimum of  2 4 to amaximum of 2 6 litres  the above cited values are compatible with the correct  functioning of the processor in normal conditions  from 1 to 300 standard cassettes     It is important to consider that the reagent bottles  as well as any kind of plastic object   are subject to ample dimensional variations due to  manufacturing tolerances  ambient  temperature  reagent temperature  aging and wearing    The two level indicators placed in the bottle front correspond to the above cited values   But due to what explained about plastic objects dimensional variance their level may not  correspond exactly to 2 4     2 6 litres    Furthermore  to guarantee the almost complete reagent filling  the bottles are placed in  the instrument slots in a way to be 3 5   inclined toward the front  In this position the  indicators are not true  The upper one will correspond to approximately 2 5 litres    So the indicators are made for usage with the bottle on the horizontal position  outside  the instrument  during manual filling     7 13 UNINTERRUPTIBLE POWER SOURCE  UPS    The MTM   can be equipped with an optional UPS  To be recognized by the MTM    computer the UPS must be enabled by this function  as well as it can be disabled in case  of malfunctions  Please note that both enabling and disabling are related only to the  MTM   computer   gt  UPS unit communications  Even if disabled by this function  the UPS  will contin
22. ME OUT   EXPLANATION The filling from a reagent or a wax bottle has not occurred in the allotted  time    CAUSE See alarm 51   SOLUTION See alarm 51    53   LINE CLOGGED   EXPLANATION Before to fill the content of a bottle the system tests the bottle specific  portion of pipeline  If the pipeline is clogged the system tries to fill the  following reagent and issues the alarm 6 ABORTED STEP  in case also the  following bottle would be clogged the system will issue this blocking  alarm and will stop the process    CAUSE The pipeline of the bottle that the system is going to fill is clogged  or the  previous reagent was not completely drained due to the pipeline  obstruction or due to some problem in the hydraulic or pneumatic circuit    SOLUTION Check the specific portion of pipeline of the bottle involved in this alarm   or the previous bottle   there may be debris  or drops of solidified wax   that clogs it     54   SPC OVERTEMP   EXPLANATION During a wax step the processing chamber temperature went over the  allowed limit  not to be confused with alarm  20     CAUSE SPC thermo regulating system damage    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     55   TS SPC OUT   EXPLANATION Malfunction of the SPC temperature sensor    CAUSE SPC temperature sensor failure    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assis
23. OPERATING S L E E aE  INSTRUCTIONS       an orgentec company    Vacuum tissue processor  MTM I       CE    INS6000GB  2012 01 04    E Instructions     MTM I 1    Instructions     MTM I       CONTENTS    1     11     12     13     14     15        INTENDED USE      SYMBOLS      SAFETY NOTES      COMPONENTS      SPECIFICATIONS      UNPACKING AND INSTALLATION      INITIAL OPERATION      REAGENT MANAGEMENT SYSTEM      OPERATION      ALARMS    CLEANING AND MAINTENANCE    SERVICE    OPTIONAL ACCESSORIES    WARRANTY    DISPOSAL    Instructions     MTM         1  INTENDED USE    The vacuum tissue processor MTM   is intended for automated fixation  dehydration and  paraffin infiltration of histological samples for professional use in routine and research  laboratories in the fields of biology  medicine and industry     The MTM   tissue processor recycles the air utilized to move the reagents to and from  the processing chamber  Two effective charcoal filters on the external air intake reduce  the exhaust fumes to acceptable and safe levels  The wax and reagent bottles can be  rapidly removed and easily reinstalled in their housing slots  The control devices   hardware and software  are based on the most up to date processing control  technologies  Up to 12 different programs can be permanently stored and be easily  modified  The 12th program is a special    REVERSED    program that is used to de process  samples that have not had good infiltration     During arun  every step and actio
24. als   3  Check reagent and wax bottle levels   4  Check that the bottles are correctly placed in their housing slots   5  Check that the waxes are melted and  if possible  verify their temperature   6  Check and clean the SPC lid gasket   7  Start a purge to verify the correct functionment of the instrument    l   wer wer a al a    When the cause of the alarm is unknown or uncertain  it could be helpful to check the  voltage and the quality of the main power line  If the alarm persists  please call our  technical assistance     Procedure for the complete reset of the instrument    Instructions     MTM   69       In the top left of the instrument rear panel there is a green o red button  Its purpose is   the complete reset of the instrument software program  It must be used under the   following circumstances    e When  for any reason  the user is unable to reset an alarm in the usual way    e When a user faces unexpected situations that cannot be resolved by any other  means    e To reset the instrument s memory that holds variables pertaining to the state and  contents of the SPC  possible processes in progress  possible actions in progress  and or alarms in progress     The procedure for using the reset button is the following    Switch off the instrument  the switch is located near the main power cord    Press and Hold the reset button   Switch on the instrument and maintain the reset button pressed until the Main Menu  screen appear    After this operation the MTM I may b
25. be necessary to wait that the system suspend the process and  perform the VACUUM RELEASE before the opening of the SPC lid will be  possible  The second message line will then display    Normalizing pressure in  the SPC    and  after 10 seconds  the SPC lid can be opened     e If the processing chamber is not closed within 3 minutes  an ALERT will occur   20 PROC SUSPENDED  and a beeper will start to sound  When the SPC lid is  closed back the process is automatically resumed after a while or the process  can be resumed by pressing the key ENTER     e If the opening of the chamber is difficult  DO NOT force it  but wait for the  ambient pressure to be resumed     Instructions     MTM   60       Instrument auto tests before and during the process    Before and during the process the system verifies if there are the right conditions to  start continue the work     At the start of a process a serie of parameters are checked  if one of them is not  conform to what is required to safely start the process  the start is aborted and a  message is shown so that the user can take adequate measures to remove the fault  condition  See also the chapter    Safety devices     Runtime test         During the process another series of checks is performed continuously to ensure the  safest sample processing  For example  before to fill a bottle the filling pipeline is tested  to ensure that there isn   t any clog or reagent of the previous step left in the SPC  If the  pipeline is not complete
26. big group of dehydrant has demonstrated to work fine  provided that at the first start of the instrument a certain incremental gradation has  been manually created     Other important concepts of the MTM I RMS are     The reagents are maintained at the end of every process to keep constant the  specimens quality  The MTM I RMS most important concept is based on the  assumption that the constancy of the quality is more important than the  quality itself     The reagents used first in each group are those that are more polluted by the  previous reagent and by the substances removed from the samples   Accordingly  those are the reagents that require the most frequent  replacement     During the reagent maintenance the RMS will require the substitution of only  one reagent per group also when more than one bottle in that group has  exceeded the predefined limit     In a fast short process  with only one reagent per group activated in the  process program  TMP  gt  0  the RMS will select and use the bottle with the  best youngest reagent independently from its position inside a group   meaning for position both the real position and the programmed step  position  of that bottle     Once the RMS is activated  it is not anymore possible to consider the physical  position of the bottles or their position in the program  STEP   It will be  necessary to    fully trust the instrument    and follow its instructions regarding  the substitution of the reagents  When there is a doubt that s
27. by the user    Execute the RMS every time is requested by the system     32   RHS POSTPON PW  EXPLANATION The RMS has been postponed due to lack of knowledge of the password     CAUSE  SOLUTION    See alarm 30   See alarm 30     Instructions     MTM   76       34   WRONG PASSWORD   EXPLANATION The password has been mistakenly typed more than three times  The  alarm is stored in memory for future consultation    CAUSE See alarm 30    SOLUTION Type the correct password  if the password is lost it is necessary to call our  technical service to retrieve it     40   ELODEV LACK   EXPLANATION The drivers of the touch screen device are not responding properly    CAUSE Hardware failure of the touch screen devices    SOLUTION If the problem persists  contact our service department for technical  assistance  meanwhile it is possible to successfully and safely use the MTM    by connecting an AT keyboard in the rear panel  see sub chapter    Rear  panel     All instrument functions can be controlled also by a common PC  keyboard     Instructions     MTM   77       51   FILL NO VACUUM   EXPLANATION The instrument was unable to produce vacuum in the process chamber  while attempting to fill from a reagent or a wax station    CAUSE During the filling stage  a leak in the pneumatic or hydraulic circuit  occurred  the air pump is not fully efficient or broken    SOLUTION Check the SPC lid gasket  If the problem persists contact our service  department for technical assistance     52   FILL TI
28. by the user is possible  If the problem persists  contact our  service department for technical assistance     60   WWC TEMP LOW   EXPLANATION At the moment of the fill of a wax step  the temperature of the WWC  chamber was too low  The process will be halted because the fill cannot  be guaranteed    CAUSE Incorrect working of WWC  temperature sensor  heater  safety  thermostat    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance    61   WWC OVERTEMP    EXPLANATION The temperature of the wax chamber is well above the set point   CAUSE WWC temperature system failure     Instructions     MTM   79       SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance    62   TS WWC OUT   EXPLANATION The WWC temperature sensor is out of the correct range    CAUSE WWC temperature sensor failure    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance    63   PRESSURE NR   EXPLANATION During the ending phases of the drain the pressure in the SPC is too low    CAUSE The air pump or other pneumatic circuit parts failed    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     64   DRAIN NO PRESS   EXPLANATION During the drain the pressure has not reached the correct value   CAUSE s
29. cess or purge start but soon it will issue an alarm caused by  the impossibility to create vacuum or pressure in the SPC  Please always check the  correct lid closing and lock engagement before the start of any kind of operation     7 11 WWC SETPOINT   This function allows the setting of the WWC target temperature  The range is 55   C to  65   C  It is advisable to set its value to the highest point compatible with the laboratory  procedures  Particularly it is necessary to set the value at least 2  C over the declared  paraffin melting point  For example for paraffin with a melting point of 56   C to 58   C  the correct WWC target temperature would be 60  C     Instructions     MTM   16       7 12 REMOTE FILL DRAIN CALIBRATION   This procedure allows the calibration of the volume of reagent filled from port 18 during  the RFD cycle  Remote Fill Drain   To find the right value proceed as follow    using the RFD execute a fill in one of the reagent bottles in a condition as close as  possible to the normal operation    With a system sufficiently precise      10ml  take a measurement of the filled reagent  Set the calibration value considering that every increase decrease of 1 corresponds to      5 7 ml  Repeat the filling with the RFD to check if the correction has given the right  result  The standard precision of the RFD is     1 5   which corresponds  respect to the  standard value of 2 5 litres  to a maximum of 2 538 litres and a minimum of 2 463 litres   Given that the MT
30. e but it is the operator that has to decide  in relationship  to his experience  the optimal limits  Here it was chosen a combination of reagents and  limits  that makes sense under the point of view of the tissue processing  but has been  also useful to explain the RMS concepts     Instructions     MTM   39       Instructions     MTM I    The only relevant fact that must be seriously considered in  the RMS setup regards MTM I bottles volume of 2 5 litres   Other brands of tissue processors have bottles with a volume  of 4 5 litres  in this units the reagents renewal may be done  less frequently than in the MTM I  This may appear as an  advantage  less work  but in terms of quality of the  processing results a more frequent substitution of the  reagents may only be positive  the advantage in the MTM I  mostly consists in a more constancy of the quality that it will  broadly compensate the modest increase in work    The small bottle volume  characteristic of the MTM I and very  few other tissue processor  must be carefully considered  especially for the purge reagents  their cleanness will be a  determining factor to ensure the instrument good  performances     40       9  OPERATION  9 1 REAGENTS  Reagent bottles arrangement    The following picture shows the arrangement of the instrument bottles for reagents   waxes  purge agents and charcoal filters as seen from the instrument front     C1 Charcoal filter for reagents EET  C2 Charcoal filter for waxes T T T T  P1 Purge agent
31. e following frequencies     0   no mixing   1   one mixing every 30 minutes  2   one mixing every 20 minutes  3   one mixing every 15 minutes  4   one mixing every 10 minutes    5   one mixing every 5 minutes    Instructions     MTM   53       Process   12  Reversed    Process  12  REVERSED possesses all the characteristics of the other programs except     It begins at the last non zero time on the steps list and moves backwards   REVERSED     It is not possible to insert a delay on the first step  The operator cannot modify its name    Its position in the list of the processes is always the  12    Except as specified above  it is identical to the other processes  therefore     Instructions     MTM      It increments the RMS counter by one process  All RMS rules are respected  At the end of the process  user will be prompted to run a purge cycle    At the end of the purge cycle  if during the last process at least one wax was  used  the WCC will be automatically started    At the end of the WCC  the Reagent Management System will be started    There are no particular restrictions to the use of this process    however be aware that the reagent contamination will also     be reversed  Under normal conditions this process would  rarely be selected  as it serves primarily to reprocess samples  of poor quality  therefore it will not substantially influence  reagent concentrations     54       9 3 PROCESSING    Checks and procedures before operation    Check wax and reagent bottle 
32. e of the  wax temperature control system  These temperature problems may also cause drain or  fill alarms     Instructions     MTM   70       Analogous situation may happen with the SPC temperature    The pressure graph allows the control of the air pump efficiency and the good sealing of  the pneumatic circuitry  In case of leaks the graph will be not stable to indicate an  excessive frequency of the air pump start to restore the requested pressure into the SPC   A blocking alarm may be foregone by one or more alerts  in the processing screen it is  shown only the last alert alarm occurred in each step  in the graph all the alerts alarms  are shown even when happened in the same step  That can be useful to understand  what really caused the final blocking alarm    From the graph it is also very easy to verify if one or more steps has been jumped and  the reason why it happened     10 2 ALARMS DESCRIPTION    01   PW FAILURE   EXPLANATION Alarm  1 indicates that there has been an interruption of power  It may  be due to a loss of power in the main line or merely due to the switching  OFF of the instrument  If the loss of power occurs during a process  the  MTM   automatic power outage protection will allow it to resume the  process program exactly from where it was interrupted  The program  resume will be performed according to the formula  Steps 1 to 10   formalin  alcohol  xylene  etc   no special action  the power failure time is  considered processing time and the MTM   co
33. e ready for operations again  but before to start  any kind of process it is necessary to verify    That the SPC is empty   That the SPC is clean  above all in reference to the presence of paraffin residue    That the lid gasket of the SPC is clean and in its correct position   That the instrument works correctly  by performing tests from the service menu   That an alarm present before the reset is not again on the display  in this case will be  necessary to switch off the instrument and call our service department   with the  exception of the alert  1    Before to start the purge cycle execute the instrument check list   Run a purge cycle to verify that the instrument is fully operative    In the next paragraphs  each alert alarm and the appropriate solution is described     Graph of the last 30 processes   In case of an alarm it can be useful to consult the graphs of the last 30 processes  executed to verify if there are information that may allow to better understand why an  alarm was issued  See also the preceding chapters for more information on the graphs   The alarms numbers are shown inside a small box and an arrow points to the graph to  indicated the exact moment of the happening  Checking also the alarm archive the  chances to understand why an alarm occurred are greatly increased    For example    If the wax temperature graph is unstable  more than     1 0  C  or if the temperature  shown is different from the target temperature  it is possible to suspect a failur
34. eating of the wax containers during the  WCC process  The air bubbled through the wax carries these reagent vapours through  the charcoal filter C1 where them are trapped     Use of the Wax Purification Cycle  while it will reduce consumption of waxes  will also  shorten the estimated life of the charcoal filters     Without WCC With WCC    filter life will be from 90   120 processes filter life will be from 60   90 processes    These values are only estimates because they are influenced by environmental factors   humidity  temperature   duration of the processes  application of the vacuum  or  pressure  on all the steps of the process  frequency of reagent agitation    Instructions     MTM   48       The duration of the Wax Purification Cycle is about 30 minutes  If the WCC option is  selected  it will begin automatically after each purge cycle  but only when a wax has  been used in the preceding process     It is always possible to manually run a Wax Purification Cycle from the RMS Setup Menu   independent of wax usage in the previous process  During the WCC the waxes are not  transferred from their containers  the SPC will stay clean and it will not be necessary to  Start a purge cycle after the WCC  However during the WCC  the SPC lid must always  stay closed     Processing capacity    MTM   is equipped with 2 stainless steel baskets of identical dimensions  Each of the  baskets can hold up to 150 cassettes     The total processing capacity therefore is 300 cassettes  As 
35. ed or exceeded  the RMS will require the substitution of the  reagent for that specific bottle     If the limit is set to zero  the RMS will never prompt the user to replace the reagent in  that bottle but its quality light will always be shown in red to remind that this bottle is  not managed by the RMS for a lack of limit  It is advisable to fix the same limit to all the  bottles of a group  otherwise the RMS can asks for unbalanced substitutions with  unpredictable results     Moreover the limit can be proportioned to the length of a group  in other words the  longer is a group the higher can be the limit                                e10 54 36    REAGENT MANAGEMENT SYSTEM  Cassettes Bottle Reagent  RMS Define Limits 0000 1 FORMALIN  0000 2 WATER  0000 3 ALCOHOL 95  0000 4 ALCOHOL 95  0000 5 ALCOHOL 100  0000 i  ALCOHOL 100  0000 7 ALCOHOL 100    0000 8 XYLENE  0000 9 XYLENE    0000 10 XYLENE  j 0000 11 WAX 60  0000 12 WAX 60  0000 13 WAX 60  0000 14 WAX 60  Please note that limits should be the same inside  ae the same group            Instrument READY    Instructions     MTM   33       RMS Counters Total Reset    The Counters Total Reset selection allows the user to set to zero the number of  processes performed and the number of cassettes processed including the DAF counter   This function may be used when it is necessary to replace renew the reagents of all  bottles and  at all the effects  restart the RMS     The complete zero resetting does not include the counters 
36. ee alarm 63    SOLUTION see alarm 63     65   DRAIN TIME OUT   EXPLANATION   The drain has gone over the maximum time allowed   CAUSE see alarm 63    SOLUTION see alarm 63     66   SPC NOT EMPTY   EXPLANATION The user attempted to begin a process with the SPC either not empty or  not cleaned from wax residue    CAUSE The SPC is not empty  The purge cycle  compulsory after a process which  involved waxes  was not performed    SOLUTION If the SPC is not empty  drain it manually  Enter the Service Menu and  perform    alarm reset    and    flag reset     Return to the Main Menu and  start the purge     67   OVER FILL P   EXPLANATION An overfill of reagent or wax has occurred in the SPC   Alarm sensed by  overpressure during fill   Normally an event of overfill is intercepted and  solved by the anti overfill devices of the MTM I  in this case a simple alarm  is shown  If the anti overfill devices fail to correct the problem this  blocking alarm is called and the process is stopped    CAUSE Complete emptying of the previous reagent failed due to an incorrect  solenoid valve opening or  in case of paraffin  temperature problems     Instructions     MTM   80       SOLUTION No intervention by the user is possible  If the problem persists  contact our  technical assistance    68   FDD FAILURE   EXPLANATION The floppy disk driver failed    CAUSE Floppy disk driver failure  or damaged floppy disk     SOLUTION Change the floppy disk with a new FORMATTED one  If the problem  persists  con
37. een it is possible to notice how the DAF weights the reagents aging  in relationship to their position in their group  In detail it is possible to note that the  bottle number 6 has been subjected to an aging of 60   because it was the second in  its group   while the number 5 aged 100   so it was substituted because it reached the  limit of 300 cassettes   The number 14  being the fourth in a group of four  aged by  only 30   90 over 300      After a certain number of processes  or executing very different processes  as it may  often happen in the MTM     it may be difficult for the operator to understand from the  reading of the counters how the reagents have been used  It will be necessary to trust  the RMS knowing that  if the RMS setup is correct and the substitutions have been  made as suggested  the indications supplied by the system about the reagents quality  are reliable     From this last sample screen it is also possible to deduct that in the next process the  filling sequence will be as follow     e Alcohol 95 group  first the 4 then the 3  that is now the cleanest   e Alcohol 100 group  6  7  then the 5  that is now the cleanest   e Xylene group  9  10  then the 8  that is now the cleanest     e Wax group  it will be filled by the natural sequence because none of the  waxes has been substituted given that their limit was fixed to 400 cassettes     With this example it was not wanted to affirm that a longer group must have a higher  limit  this concept makes sens
38. ends     The filling precision of the RFD is 1 5   It means that the chosen bottle can be filled  from a minimum of 2 463 to a maximum of 2 538 litres     See also sub chapter SETUP  gt  PARAM  SETUP  gt  RFD calibration for more information  about the RFD precision and its calibration     The RFD can also be used in conjunction with the RMS during the reagents substitution     It is possible  but not recommendable  to interrupt the execution of the RFD by pressing  the ESC key  Pressing again the ESC key the RFD will be definitely aborted while pressing  ENTER it will be re started     Instructions     MTM I 44       In case of events that would have stopped half way the execution of the MTM I  for  example  alarms or mistakes on the bottles positioning  if some reagent is left into the  SPC it is possible to remove it  draining it back to a bottle  by using the function DRAIN  SPC in the Service menu     Instructions     MTM I    45       It is highly advisable to take every precaution during the handling of  reagents potentially flammable or toxic  Despite the RFD operator safety  increases  thanks to the fill drain automation   there is always some risk  on handling flammable and or toxic substances  We recommend to  always have at hand a suitable extinguisher or at least to know the exact  location of the closest one accordingly to the local rules of your country  and laboratory        CAUTION  always check what follow     e Verify that the external pipes are well connec
39. ere isn t any  traditional keyboard  all the instrument functions are activated by a finger touch                    7 2 SOFTWARE VERSION  In the SETUP screen  under section PARAMS SETUP  the current software version is  displayed on the top right     7 3 LANGUAGES  Seven languages are currently available  English  French  German  Italian  Spanish  Czech  and Turkish     7 4 DATE FORMAT    In the USA the date format is  month day year  In Europe the format is  day month year   Also the time is displayed in a different way  Here it is possible to choose the format     Instructions     MTM I 14       7 5 ELEVATION   The ambient pressure is depending on the site elevation from the sea level  approx  100  HPa less every 1 000 meter for the first 2000 meters   It is important to program the  instrument according to the level at which it is installed in order to avoid it to require the  air pump to reach differentials of pressure  levels of vacuum  impossible to make  especially when the elevation is higher than 800 1000 meters     7 6 L L ALARM  The displays of the ALERTs during the processing  low level not blocking alarms  can  here be enabled disabled     7 7 EOP SIGNAL  The End of Process acoustic signal can here be enabled disabled     7 8 PRINTER PORT    If the printer is not used installed its port can should be disabled  In this way the  program execution will be faster     Instructions     MTM   15       7 9 DATA BACKUP  From this function it is possible to enable disable
40. essing results     9 8 GRAPH OF THE LAST 30 PROCESSES    At the end of the process it is advisable to look at the graph of the last executed process  in order to check if it was performed flawlessly  We recall that to access the graph is it  simply necessary to press the key GPH in the Main Menu screen  the graph firstly shown  is always the one of the last executed process     The graph visualize the following parameters     e The temperature of the SPC  e The temperature of the WWC  e The pressure of the SPC  e Any occurred alarm or alert  e The program steps  There are two windows   e The upper one is reserved to the temperatures and the alarms  e The lower one is reserved to the SPC pressure    In the event of an alert alarm their visualization is made by a small box with the  alert alarm number inside it  an arrow that points into the graph indicated the exact  time in which the alarm occurred     Instructions     MTM   67       All of it  together with the alarm archive  in the service menu   may be of great help on  determining what really happened in case of a faulty event during the process     The graphs  other than to be helpful in case of an alarm  may also allow the avoidance  of a future faulty event  For example  a not sufficiently stable temperature or pressure  graph may indicate a degradation of the temperature control system or the air pump  performances     In this case it will be possible to call our technical service for a preventive maintenance  and avo
41. for the charcoal filters or the  bottles of the purge reagents  These two counters can be reset using the    RMS Single  Counter Reset     see next sub chapter  Please note  the counters total reset automatically  occurs each time the RMS is activated or de activated     When the definition of the reagents groups and or their limits are modified the system  doesn t make any automatic reset of the counters  That was decided to give to the user  the maximum freedom  but in case of modifications on the run it will be necessary to  act carefully and eventually manually reset all or some of the counters  see next sub   chapter      RMS Single Counter Reset    The Single Counter Reset selection allows the user to reset the counters of individual  bottles  This function is useful if the user decides to replace renew a reagent before the  preset limit of a particular bottle is reached     The Single Counter Reset is also the only function that allows the operator to reset the  counters of the charcoal filters and the purge reagents  Please note  The counters of the  charcoal filters and purge reagents are not reset by the Counters Total Reset function   Whenever the user replaces the purge reagents or the charcoal filters without being  prompted by the RMS  it will be necessary to utilize the Single Counter Reset to reset  their counters     RMS On Off  This function turns the RMS ON or OFF   Every time the RMS is set On or OFF all reagents counters are set to zero  In this case it  
42. he ARROW keys it will be possible to    navigate    the entire program to select the  field to edit  Each field content can be varied by using the extended character keyboard  or  in same case  by using the     keys     Press ENTER to save changes and to go back to the Main menu    Press ESC to abort the operation and to go back to the Main menu    Instructions     MTM   51       REAGENT    Reagent names are labels prepared in advance as explained before  They do not have an  influence on the process  They are listed for the convenience of the user  Use     key to  modify it     INCUBATION IME  The incubation time can be set from 0 to 99 hours     The data control function can give unexpected results in case a number higher than 59  is entered in the field of the Minutes     For example  when entering 1 or 2 digits and moving over another field the entered  number is interpreted as minutes  if the number is higher than 59 it is transformed in  hours and remaining Minutes  thus  60 will be transformed in 1 hour and 0 minutes  65  will be transformed in 1 hour and 05 minutes and so on     Entering more than 2 digits the result may appear more strange when the last two digits  entered are higher than 59  Thus  the number 159 will be transformed in 1 hour and 59  minutes  but the number 160 will be transformed in 2 hours  1 hour   60 minutes   2  hours   The number 1099 will be transformed in 11 hours and 39 minutes and so on     Initially this particularity may appear cumbersome
43. he rear panel of the  instrument     Alarms reset    This function may be used to eliminate an alarm appeared during the instrument  testing     It can also be used to reset an alarm that for any reason was not possibile to reset by the  normal way   normally pressing ESC key      Instructions     MTM   86       13  OPTIONAL ACCESSORIES    Cassette basket   39600061    Holder for cassette basket   39600062    Reagent container   39600009    Charcoal filter   39600004    UPS unit   11000505    Printer   11000506    Instructions     MTM      87       14  WARRANTY    SLEE medical GmbH guarantees that the product delivered has been subjected to a  comprehensive quality control procedure  and that the product is faultless and complies  with all technical specifications and or agreed characteristics warranted     SLEE medical GmbH guarantees that the instrument is manufactured under an ISO 9001  quality management system     Unauthorized modification or repair by third party persons will void the warranty   Only original SLEE spare parts must be used     Guarantee claims can be put forward only if the instrument is used according to this  manual and for the purpose described     Mistakes and errors which occur because of improper use cannot be accepted     15  DISPOSAL    The instrument or parts of the instrument must be disposed of according to existing  local applicable regulations     Instructions     MTM I 88       Instructions     MTM I    SLEE medical GmbH  Carl Zeiss Str  49
44. id possible future alarms and the risks of not complete processes     Instructions     MTM   68       10  ALARMS  10 1 MANAGING ALARMS    NONE BLOCKING ALARMS  Alarm 01     50    These are WARNINGS and do not interrupt the program execution because the cause of  them is not critical for the process completion  In this situation  a program stoppage  may produce worsen results than its continuation    When an ALERT occurs  the program continue and the screen displays the alert number  and a brief explanation of it  Upon the proces program completion  the cause of the  alert can be determined and usually easily eliminated by the operator    Procedures listed below for each type of alert alarm should be followed to correct the  cause of the problem  If the problem persists  a call to the our service department may  be indispensable     BLOCKING ALARMS  Alarm 51     90    These are true alarms  and the process cannot continue as the cause of the alarm makes  it impossible to proceed  In the event of a BLOCKING alarm  follow the instructions  displayed on the screen to    1  Stop the acoustic alarm   2  Try to empty the SPC from wax reagent   3  Remove the samples   4  Reset the instrument   After the reset  the instrument is again ready to run a program  The alarm could simply  have been an error in closing the chamber lid or something else easy to resolve  Before  to proceed please do what follow    1  Remove all samples   2  Check that the SPC does not contain any reagent residu
45. ins the SPC through port 17 into an empty bottle  right side quick  connector      e Afterward it fills the SPC with 2 5 L of reagent from port 18  left side quick  connector      e Then it drains the SPC content into the chosen bottle     Instructions     MTM   43       e This modality completion takes approximately 6 minutes     Modality    Only DRAIN     e The MTM I fills the SPC with the content of the chosen bottle     e Then it drains the SPC through port 17 into an empty bottle  right side quick  connector      e This modality completion takes approximately 3 minutes  it can be useful in case  there is the need of a complete washing of the chosen bottle before to proceed to  its filling     Modality    Only FILL       e The MTM I fills the SPC with 2 5 L of reagent from port 18  left side quick  connector      e Then it drains the SPC content into the chosen bottle     e This modality completion takes approximately 3 minutes     In this last modality the chosen bottle must be empty before the start of  the operation  in case the fill is performed on a not empty bottle there  will be a spill of reagents into the nearby bottles and possibly also outside  of the instrument     After the first few steps in which the computer asks for information regarding the bottle  required for fill drain and confirmation about the presence of bottles connected to the  ports 17 and 18  all the cycles are completely automated and the instrument can be left  unattended until the operation 
46. instrument is improperly operated  Be certain to follow the  instructions and recommendations provided by this manual  The manufacturer is not  responsible for damages resulting from improper operation or handling of the  Instrument     Pay particular attention to the outside of the shipping container  In the event of  concealed damage  save all shipping crates and packing material  DO NOT unpack the  instrument if damage is apparent  Immediately notify the carrier of any damage and  contact the shipper to initiate any claims     6 1 UNPACKING THE INSTRUMENT   The proper steps to be taken are    Open the top of the box   Lift the side walls out of the way   Raise the instrument to the vertical position  Remove the plastic layers that wrap the instrument    Carefully check the external condition of the instrument  In the event of evident  damage  DO NOT connect the instrument  Immediately notify the carrier and promptly  contact the seller    For the setup of the instrument  see the specific chapter  Installation and Start up  in this  manual     Save the box and all the internal packaging in the event that the unit requires future  shipment     Instructions     MTM   11    6 2 INSTALLATION SITE REQUIREMENTS    The site for installation should meet the following requirements     A maximum ambient temperature of  10   C to  35   C  Avoid vibrations  direct sunlight and strong temperature variations    The instrument must be set up in a well ventilated area free from any ignitio
47. ion of each reagent bottle in the next process  very useful  when the RMS is set on Group     Instructions     MTM I 24       RMS setup  This print allows the verification of the current RMS  Reagent Management System   setup     22 12 2011  10 51 28    BOTTLE 02 WA 0000  BOTTLE 0 2   9 0000  BOTTLE 0 HOL 95 0000  BOTTLE 05 COHOL 100 0000  BOTTLE AL HOL 100 0000  BOTTLE 5 OL 100 0000  BOTTLE N 0000  BOTTLE LEN 0000  BOTTLE 10 INE 0000  BOTTLE 60 0000  BOTTLE 4 0 0000  BOTTLE 13 6 0000  BOTTLE 14 6 0000    Instrument READY       In the example above it is shown the RMS setup on GROUP    It is possible to see      the definition of the groups for each reagent bottle     the pre defined limit for each group in terms of cassettes processed and processes  performed    Instructions     MTM I 25          8  REAGENT MANAGEMENT SYSTEM  RMS    8 1 RMS BASIC CONCEPTS   A Reagent Management System in a tissue processor Is necessary to   e Optimize the reagents utilization    e Avoid the not recommendable bulk substitution  alltogether once a week for  example     e Avoid boring and not reliable paper records    e Avoid the manual movements of bottles to prepare the instrument for the  next process  for example by manually substituting the dirtiest bottle of a  group of reagent and shifting the other bottles backward     In the MTM I the usage of a good RMS is much more important given that  as explained  in other chapters  the instrument can be used for fast and for slow processes with a
48. its   DAF   Decreasing Aging Factor counter   CASSETTES   counter of the actual number of cassettes processed  PROTOCOLS   counter of the number of process performed    The counters of the purge reagents and the charcoal filters     Instructions     MTM   37       The colour of the bottles will indicate the quality of the reagents as follow    GREEN   new  never used  reagent    YELLOW   used reagent that has not yet reached exceeded the predetermined limit   RED   reagent that has reached exceeded the predetermined limit    GRAY   bottle with not defined content     By pressing the RFD icon the  current  bottle substitution can be made by using the  Remote Fill  amp  Drain system  If  for some reason  it is necessary to postpone the  substitution of reagents after a process  it is possible to press the ESC key  skip this  session of the RMS and postpone it until the end of the next process  Please note that  the process limit counters are not reset by this action  At the end of the next process the  RMS will prompt the user to replace the reagents that previously expired plus those  whose limits have been reached during the last process     If the RMS is skipped at the end of a process using the ESC key as explained above  the  scheduled reagent replacement can be performed later without waiting to complete  another process  By choosing to enter the RMS menu from the Main Menu  the user will  be automatically prompted to press enter to start RMS operations     Conversely  if
49. lar situation is handled without modifying the other standard  programs     e Use the Daily standard program  but being certain to reset the End time  before to start the program again     Start from step different from the first    At the start of a program press the    UP    and    DOWN    arrows  note that the bar that  highlights the step will move from the first step to every valid step  every step is valid if  its time value is greater than 0   This feature can be useful  for example  on partially  processed tissue samples to re start their processing where it was interrupted     Instructions     MTM   58       Starting a process program  After the End time has been set  the program can be started by pressing ENTER   Pressing the ESC key the operation can be aborted     If the RMS is active  before the final start  the computer will ask the user to enter the  total number of cassettes processed  this data will be used to update the limits of the  reagents     After the final start the following information will appear on the screen     e Each step of the process with time  temperature  pressure and mix data   e The current step highlighted     e Inthe highlighted step  the time remaining will ramp down minute by minute  until the step is completed     e The first line in the message area will show the name of the current program  and the scheduled date and time of completion     e The second line will indicate the step that the processor is performing     g    filling o
50. le 8 because its DAF has  reached the predefined limit of processed cassettes  after the substitution the counters  of this bottle will be reset  In the next process the bottle number 8 will be the last in the  group and  at the end of the process  the counters will be as follow     End of process 4                   Container Processed cassettes DAF  regressive counter   9 400 280  10 400 180  8 100 40             After process 4 the RMS will not require any substitution because none of the counter                reached or exceeded the limit     Instructions     MTM I 29       End of process 5                   Container Processed cassettes DAF  regressive counter   9 500 380  10 500 240  8 200 80             After process 5 the RMS will require the substitution of bottle 9 because its DAF has  exceeded the limit     End of process 6                   Container Processed cassettes DAF  regressive counter   10 600 340  8 300 140  9 100 40                The sequence here shown  typical of a long overnight process  would be surely  influenced  in the real world  by variations in the quantity of cassettes processed and by  the usage of fast short processes with only one bottle per group  In this case  without  using the RMS  it would be quite complex to keep trace of the reagents unbalanced  aging  At the opposite  thanks to the RMS  the tracing of the reagents aging is  automatic  precise and reliable     The RMS is not as rigid as it may appear  if for any reason  malfunctio
51. le in the right wall of the SPC  A  small quantity of Xylene  or xylene substitute  can be introduced into the  hole with a syringe  if the clogging was due to a small drop of solidified  wax after a few minutes the xylene may melt it  try also to heat the SPC  from the Service menu  after 15 minutes or more try to execute the  Pressure test from the service menu  after the creation of the pressure  press ENTER to release the it  if the pressure normalizes the problem has  been solved  If the problem persists  contact our service department for  technical assistance     Instructions     MTM   73       11   M1 FAILURE  EXPLANATION M1 is the name of the motor that provides the clockwise rotation of the    CAUSE  SOLUTION    VR  Rotary Valve   If the position of the VR doesn t change within 10  seconds from the starting of the clockwise command this alarm is issued   This is not a blocking event because the instrument may continue to work  by using the counter clockwise motor  M2     Possible malfunction of  M1  wiring  IOB    No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     12   M2 FAILURE  EXPLANATION M2 is the name of the motor that provides the counter clockwise rotation    CAUSE  SOLUTION    of the VR  Rotary Valve   If the position of the VR doesn t change within  10 seconds from the starting of the counter clockwise command this  alarm is issued  This is not a blocking event because the instrume
52. lers     e DO NOT extract bottles  replace reagents or do other maintenance  operations when the instrument is operating     e To complete the knowledge on the instrument safety please read  also the chapter SAFETY DEVICES near the end pages of this  manual     Instructions     MTM            3 1 ELECTRICAL POWER CONNECTION    Do not use any extension lead     Make sure that electric power is constant        e This should be examined during installation of the unit by a  competent person     e Use a dedicated fuse for the unit   e Do not connect another unit to the same power circuit     e Before turning on the instrument  check if the voltage of the mains  supply is identical with the name plate of the unit     Instructions     MTM   7    4  COMPONENTS    The SLEE vacuum tissue processor MTM   is provided with the following standard    components   MTMI MTM II   Basic unit with rotary valve    e  Enhanced heating element  EHE  e  15    Color LCD Touchscreen e     Cassette basket    2x 150 cassettes  stainless steel         10x reagent container e e  4x 1 paraffin container e e  2x System cleaning solution container e o  Mains cable    e  Operation manual e       Instructions     MTM I          5  SPECIFICATIONS    Type    Principle    Reagent containers    Volume    Reagent agitation    Capacity    Temperature range    Pressure range    Programmes    Safety aspects    Sample safety    Instructions     MTM I    Vacuum tissue processor    pressure   vacuum    10 reagent contai
53. levels  2 5L maximum   Check and  if necessary  clean the processing chamber  Place the samples into the processing chamber   Close the processing chamber lid firmly   Select a program    Edit date and time of process end  a delay function on first step if desired     Selecting a program    Select a process program from the    MAIN    menu     The following screen will offer three choices     START  EDIT  PRINT    Press START to launch a process program    Instructions     MTM      55       Setting the program time and date of completion  End time     Before to start a process program it is necessary to check  and in case to set  the  program time and date of completion  EOP          Process Parameters Setting             Cassette Nr  Step Tk REAGENT TIME TMP PV MX AL  EOP Time 01  FORMALIN 01 00 0 V 1  4 02  EOP Day 03  EOP Delay     i  00days 07hours 18 min 04  05  6 06  107  08  09  10  11  12  13  14    Instrument READY    Please Note  remaining in this screen  for every minute that elapses  the delay  if any   will decrease by one minute while the Program End time remains constant  But if the  delay time is set to or reaches zero  the Program End time will increase     Instructions     MTM   56       Delay setting    The maximum delay is 14 days  23 hours  59 minutes     It is not possible to set an End time lower than what will result by adding the total  process time to the current time  As noted above  any minute spent in this menu will  decrement the delay  if any  o
54. ly open Alert 6 and Alarm 53 are issued  that specific bottle is  jumped  and the process continues on the previous bottle  which will be reloaded  with  the time of the jumped step  If two adjacent bottles are found faulty a blocking alarm is  issued and the process is aborted     Process completion    At the end of a program  the instrument maintains the last reagent in the processing  chamber  Press ENTER to empty the chamber     After the reagent draining  it is possible to open the SPC and take out the samples     After the confirm that the samples have been taken out of the SPC the computer will  prompt a message with a request to start the purge program  If the program included  wax steps  the purge execution will be compulsory     Instructions     MTM   61       Purging the SPC    The purge is necessary to remove wax residue from the process chamber  It is always  necessary if wax was used during the last process  It is advisable to perform anycase a  purge even if in the last process no wax has been loaded into the SPC  only in case the  loaded reagents where formalin or alcohols the purge can be jumped without any  problem       The purge program has been set and optimized by the  manufacturer and cannot be modified     It can be started anytime from the Main Menu  however at the end of a complete  process the purge start is automatically requested by the system  it can be jumped by  pressing the ESC key  but  if a wax was loaded during the last process  the followi
55. n  sources     A free ventilation of fresh air from underneath the instrument should be  guaranteed    6 3 INSTALLATION    After unpacking and the electrical connection to the main line the following steps have  to be performed to prepare the instrument for its use        Installation of the two charcoal filter on their slots C1 and C2  Remove the cap  from the charcoal filter bottle and make a hole with a screwdriver or a pencil in  the tape that seals the air intake on the top rear of the bottle     Connect the LCD screen  The LCD screen is transported unconnected in a  separate cardboard box  The screen must be placed on the top left of the  instrument housing  The electrical connection is made by connecting the three  connector on the instrument rear panel     Connect the instrument to the main power  The main power supply connection  must provide     230 Volt versions  230 V AC     10   50 Hz  5A  grounded   115 Volt versions  115 V AC     10   60 Hz  10A  grounded     It is recommended that the instrument is plugged into a wall socket equipped  with Ground Fault Circuit Interruption  GFCI  protection  as an additional  electrical safeguard     In addition to the MTM I anti blackout feature  an uninterruptible power supply  can be utilized to provide power in the event of power outages and some  protection against power fluctuations  line noise and power spikes     It is highly recommended that the instrument be operated away from heat   radiators  stoves  direct sunligh
56. n is displayed on the screen  such as current step and  function  emptying  filling  etc    processing chamber and wax heating chamber  temperatures  processing chamber pressure  completion time and date  and any other  parameter necessary to simplify the use of the instrument  In the event of power  failures  the computer saves all the data necessary to restart the process exactly where it  was interrupted  If the interruption happens during the wax stages  particular  precautions are taken to guarantee melting before any wax filling or emptying begins     2  SYMBOLS    Flammable solvents and reagents are marked with this  symbol     A Dangers  warnings and cautions are marked by this symbol      Special instructions regarding the operation of the  instrument are marked by this symbol    Instructions     MTM   4    3  SAFETY NOTES    The institution which owns the unit and the persons working with the unit  servicing or  repairing it have the responsibility for a hazard free use     e Severe damage can result if the instrument is connected to a  power supply different from the rating stated in the identification  tag placed on the rear of the instrument     e The instrument must NEVER be used without being connected to  an appropriate and fully efficient ground connection     e  f damages due to transport occur  DO NOT use and DO NOT  connect the instrument to a power source  Contact our technical  service     e This instrument has been designed to work 24 7  for this reason
57. n of a tissue  processor component  accidental loss of reagent from a bottle  etc   it is necessary to  substitute a reagent independently from the RMS requests  that can be done by the RFD   that will automatically reset the bottle counters  or manually  in the second case it will  be necessary to reset the bottle counters by the RMS setup menu  Of course  during the  next process  that bottle will be the last used in its group     Instructions     MTM I 30             8 3 RMS SETUP          Print RMS situation     Print RMS setup    Instrument READY       The MTM I RMS is a system to punctually and exactly manage all reagents to guarantee  a constant process and sample quality  The use of the Reagent Management System  eliminates the need to make annoying written annotations of reagent bottle status  This  results in substantial time savings and eliminates the possibility of errors caused by  multiple operators using the instrument     Although explained later in more detail  basically  following the purge cycle  and the  WCC  if activated   the system will automatically prompt the user to replace the  reagents that have reached their pre determined processing limit     Instructions     MTM   31       RMS Define Reagents    Defining reagents allows the operator to identify the type of reagent that is used in any  single bottle  The labels to be used here must be prepared in advance in the instrument  SETUP     It is important to notice that the assignment of a reagent name 
58. ner  4 1 paraffin container  2 system cleaning fluid container    2 5 litres    air bubbling    300 histology cassettes   2 baskets  150 cassettes each   MTM I   50     70   C  paraffin    RT  35     45   C  reagents     MTM Il  50   70   C  paraffin     RT  35   45   C  reagents     EHE element for preheated reagents    Vacuum 400 hPa  0 4 bar   Pressure 1200 hPa  1 2 bar     12  closed system  2 charcoal filters    remote alarm system    UPS  optional        Vacuum function    Cleaning cycles    Delay timer    Display  Interfaces    Fill and Drain    Reagent Management    Power    IEC1010 classification    Dimensions and weight   width x depth x height     Weight    without accessories    Instructions     MTM I    Programmable  vacuum or pressure    automatic system cleaning cycle    paraffin cleaning cycle    up to 14 days  23 hours  59 minutes    15   Color TFT Monitor  Touchscreen  USB  Printer interface    Manual or automatic remote filling  and draining    fully automatic  programmable    automatic shifting of reagents    100   240 V 50 60 Hz  1000 W    Protective Class 1  Pollution deg  2  Overvoltage category Il   800 V impulse  115 V version  1500 V impulse  230 V version     720 mm x 600 mm x 1300 mm    MTM    120 kg    MTM Il  135 kg       6  UNPACKING AND INSTALLATION    Before moving or transporting the instrument  it is essential to carefully read this  chapter  paying particular attention to the instrument setup instructions     The warranty is invalid if the 
59. ng  process start will be denied until a purge is performed     Press START to activate the purge process  As well as in any other program  the purge  cycle can be aborted by pressing ESC and then ENTER within 3 second        PROCESS  S STATUS   TOT  TIME    END TIME     T 7 Wi JE Step Tk REAGENT TIME TMP PV MX AL       MI   lt     Instrument READY               Instructions     MTM   62       The bottles containing the purge reagents are labeled with P1 and P2 and must contain    P1  xylene  or substitutes   the second  P2  95 or 100  ethanol     The reagent must be substituted every 3 to 9 purge process   see sub chapter     Purge  reagents limits setting        The removal of wax residues before the start of the purge program is useful to extend  the life of the purge reagents  Avoid the use of sharp tools that can damage the  processing chamber surface     Even if the processing chamber is maintained at the last wax temperature till the  execution of the purge cycle  it is preferable to run the purge cycle immediately after the  process     The purge total time duration is 68 minutes     The last purge step is the drying of the processing chamber from any alcohol residue   This step is not critical and can be stopped at any time without damaging the  Instrument       Jumping the drying step the purge total time is reduced to  38 minutes     Instructions     MTM   63       9 4 ADVICES AND SUGGESTIONS FOR PROCESSING   Timing   The most common processing program has a statio
60. ning time of one hour for each  step bottle  It is suitable for the vast majority of histology samples  moderate variations    on the timing are sometimes adopted in relationship to specific needs and the kind of  reagent used     e Xylene substitutes may require a time longer than the xylene  e Higher reagent temperature allows shorter timing    e Use of vacuum may allow shorter incubation times    Vacuum and Pressure  The pressurization or de pressurization of the SPC allows a better sample infiltration     Normally the use of vacuum  de pressurization  is sufficient to obtain a good infiltration  for most of the samples and it is advisable in each station except for the formalin and  the first wax     The combined use of vacuum and pressure should be limited to the processing of very  difficult samples  big and or fatty   The usage of P V with normal samples  other than  uselessly expend the processor components  may provoque undesired samples over   processing     Heating    The reagent heating in the SPC up to the maximum allowed temperature  45  C  is  advisable starting from the 2 3 reagents before the waxes to prepare the samples to the  thermal jump from the ambient temperature to the 60  C of the waxes     Moreover pre heating the samples  and the SPC and the baskets  helps to reduce the  unavoidable cooling of the first wax that always happens especially with high loads of  samples  this fenomenon must be avoided especially when it is requested a short step  time f
61. nt may  continue to work by using the clockwise motor  M1     Possible malfunction of  M2  wiring  IOB    No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     13   VR MSW FAILURE  EXPLANATION The micro switch of the VR is not working properly  It is not a condition    CAUSE  SOLUTION    sufficient to stop the operation of the instrument  The VR continues to  work but one of the control functions of the VR is not available    Possible malfunction of  VR micro switch  wiring    No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance  meanwhile it is possible to  successfully and safely use the MTM I     14   SPC TEMP LOW  EXPLANATION During the process the temperature of the sample processing chamber did    CAUSE    SOLUTION    not reach the target temperature  the process continues till the    last  reagent before the waxes     If the problem persists  before the draining of  the    last reagent before the waxes     the process is stopped   see alarm  60    The thermo regulation system of the SPC is out of order  or step time too  short to allow the reagent to be heated at the desired target temperature   If the problem is due to a mistaken programming  change the step time or  temperature  If the problem is due to a fault on the SPC thermoregulation  system no intervention by the user is possible  If the problem persists   contact our se
62. ntinues as if nothing  happened  Steps 11   12  wax   processing will pause  for approximately as  much time as the unit was without power  waiting for the processing and  the wax chambers to return to the proper temperature  The power failure  time and the related re heating time is NOT considered processing time    CAUSE Loss of power in the lab  a blown fuse  or the simple switching OFF of the  unit    SOLUTION If the power supply doesn t resume  check the electric network  plug and  cord  If necessary  replace the instrument fuses  If the instrument is found  fully operational but this alarm appears too frequently  e g  more than  once in a month   it would be prudent to have the unit connected to its  own power supply  separate circuit and breaker   To increase the  instrument safety and reliability  an uninterruptible power supplies  UPS   may be used to protect against power failures  fluctuations and spikes     Instructions     MTM   71       02   DIFFICULT DRAIN   EXPLANATION Difficulty during the reagent drain  The instrument had to perform two  times the drain    CAUSE Insufficient draining speed probably due to partial clogging somewhere in  the hydraulic circuit    SOLUTION Verify the SPC draining holes  verify the bottle contents  the presence of  solid residue can slow down the draining    03   SHORT DRAIN   EXPLANATION The duration of the reagent drain was too short   CAUSE Insufficient level of reagent in the indicated bottle  SOLUTION Verify reagent levels  
63. of small samples it is not strictly necessary the use  of 4 waxes  3 would be sufficient  it is advisable to jump the second wax     e The minimum step time is 5 minutes  We recommend to not set short times  in the first wax  The minimum time for it must not be shorter than 20  minutes  That is due  as already explained above  to the contact of the first  wax with samples and baskets that are still quite cold  In the following wax  steps this problem doesn   t exist anymore  If the MTM I is asked to drain the  first wax after only a few minutes from the fill it may happen that the drain is  not complete due to the formation of cold and solidified wax spots especially  in the core of the SPC  It may also happen that one of the cold solidified wax  spots will clog the draining holes in the bottom of the SPC resulting in  incomplete drain alarms  This problem  which is more or less common to any  and each kind or brand of tissue processors  is more probable with a full  samples load  with a low samples load  for example 50 biopsies  the problem  doesn   t practically exist  anycase it does not make any sense  and it doesn   t  bring any benefit to the process  to set step times shorter than 10 minutes  A    Instructions     MTM   65          good timing choice for the first wax is a minimum of 1 minute every 10  samples  thus 20 minutes for 200 samples and 30 minutes for 300     For the reasons described at point 5 the first wax is not subject to cycles of  vacuum  even when vac
64. omething is not  working properly  for example  in case of poor tissue quality  it will be  necessary to replace all the reagents and use the counters reset functions to  reset the counters  In this case it is recommended to reconsider the RMS  settings and decrease the limits until a substantial tissue quality is obtained     It is not possible to foresee a RMS standard setting  The RMS ideal setting is  Strictly related to the kind of usage done with the MTM    type and quantity  of fast short and slow long processes performed  type of reagents  type and  quantity of samples processed   that ideal setting may be experimentally  found after a few weeks of continuous and regular use of the instrument     Instructions     MTM   27       8 2 DAF  DECREASING AGING FACTOR     In order to obtain a good reagent management it is necessary to set the RMS not only in  terms of type of reagents used but also in terms of predefined limits  that will trigger the  reagent substitution  set for each reagent bottle     In the MTM I the limits are based only on the number of cassettes processed  Those  limits will be defined for each bottle of reagent  see next chapters   it is here important  to describe how the limits will be handled by the RMS     e The limit  maximum number of processed cassettes  is defined for each bottle  independently from the group to which that bottle is assigned     e The number of processed cassettes will be then stored in memory for each  bottle and will be rese
65. optional accessory is  available a large basket that can hold big specimens or up to 350 STD cassettes     As with all tissue processors  good processing quality requires that certain guidelines be  followed     e Processing every day large quantity of samples  the reagents will need to be  replaced more often     e Larger specimens require longer times at each station     e The use of vacuum  or pressure vacuum cycles  and reagent heating in each  step of the process improves infiltration     e The daily replacement of the most contaminated reagent  with subsequent     shifting    of the remaining reagents  is preferable to the periodical  substitution of all reagents  In this way  the process quality remains constant   while in the latter method process quality varies from a maximum  with all  new reagents  to a minimum  last process before all reagents are replaced      e The MTM I Reagent Management System will minimize the    shifting     process work because it will not be necessary to physically move  shift  the  reagent bottles into adjacent slots  The RMS will automatically select the  most contaminated reagent first and the least contaminated reagent last     Instructions     MTM   49       9 2 PROGRAMMING PROCESSES   Preparing the process program names labels   The most common process names are already set in factory    It is possible to modify them as desired    From the Main Menu  select    SETUP       From the    SETUP    menu  select    PROGRAM LABEL       Here
66. or the first wax because an excessive cooling may impede a good drain of it     Mixing    One or two mixing for each step are normally sufficient to ensure a good reagent  movement around the samples  More mixing are advisable for high sample loads     Instructions     MTM   64    At this regard it is necessary to consider that the SPC floor continuosly receives a  moderate heating from the WWC ceiling  this heating creates a convection movement  that results in a gentle but forced and omogeneous mixing of the reagents     Furthermore that convection mixing is increased when the SPC heating is set ON     9 5 FAST PROCESSING  BIOPSIES OR SMALL SAMPLES     MTM I can perform short step time processes  Reduced step times can be adopted for  biopsies or small size samples  The user will have to determine the best step timing  basing his choices on past experiences and also taking care of what follow     e The efficiency of a vacuum tissue processor  like the MTM 1  is superior to  that of a traditional    carousel    tissue processor    e The shorter the incubation time the more important is the overall quality of  the reagents and their correct maintenance    e The incubation time indicated for each step of the program includes fill and  drain times  normally     o 1 15    for the filling  o 2 30    for the drain for processing programs with a total time  gt  5 hours  o 1 15    for the drain for processing programs with a total time  lt  5 hours    e For the correct infiltration 
67. p water before to introduce them in the tissue  processor     Set for the first step a low gradation alcohol or water     In case the fixation is completed in the tissue processor  set a bottle of water  in the following station  that is worth especially for week end processes      Instructions     MTM   66       9 7 ALCOHOL DILUTION    More or less in every kind and brand of tissue processor the alcohols are subject to a  forced dilution due to the water released by the samples  that is the work done by the  alcohols  water removals from the samples or dehydration      This unavoidable dilution is exploited in the RMS by Group to avoid the need to dilute  the alcohol before their loading in the bottles     In the processing program examples previously shown only 95  and 100  alcohols are  used implying that   e The tissue processor would be used with the RMS active and set on Group    e Only at the very first alcohols loading the first three would be manually  diluted in order to create a gradual increase of the alcohol concentration  for  example 50     80     95   theoretically only once in the life of the tissue  processor  practically every time for any reason it would be necessary to  substitute all the reagents and reset the RMS     e Please note that what suggested in point 3 is advisable but not strictly  necessary because in several laboratories where the MTM   is installed are  used 95  and 100  alcohols without ever performing any dilution and with  very good proc
68. r emptying reagent  positioning the rotating valve  etc       e In the third row the Alerts or Alarms will be shown in case of instrument  malfunctions     Once a program is started  it is not required any other user intervention     Processing step times and total time include the time necessary to fill and empty the  SPC     Interrupting  suspending  the process    When a process program is running  it is possible to suspend and later abort it but only  during stationary phases   for example not during filling and draining     e To suspend a process  press ESC and  within 3 seconds  ENTER  The  instrument will suspend for 3 minutes every activity  During this period it is  possible to open the SPC lid     e Pressing the key ENTER the process resumes  If the process is not resumed  within 3 minutes  the instrument will try to do it by itself  If the SPC lid is not  closed an ALERT will be issued and a beeper will alert the user of the  mistaken situation    e When the process is suspended it is possible to abort it by pressing the key  ESC and after 1 second pressing again ESC three times in sequence     e The SPC will then be drained  after that the samples can be removed  As  said  the interruption of a program is only possible when the reagent is in  stand by in the processing chamber and not during the other steps    Instructions     MTM   59        filling emptying  positioning the rotating valve  etc    A process can only be  aborted when the second message line displa
69. r increment the End time if the delay is zero     Any delay programmed will extend the length of time the specimens will remain in the  first reagent     Process End time memory    A convenient feature of the MTM   is the automatic recall of the End time     Every time a delay is requested or updated  thus every time an End time  different from the natural one is set  the computer stores the resulted End   time it in the long term memory     When a program is started  the computer will propose  recalculating the  delay  the same End time set during the previous start of that program  If no  delay was set the computer will propose for the End time the natural time   current time   total process time     The delay necessary to end the process at the predetermined hour and or day  is automatically calculated and displayed in the appropriate display field     To reset the delay  press    CLR     The delay will be set to zero and the delay  memory will be erased  The next time this program is started  the End time  will be the natural one   current time   total process time     Any update of the delay End time here made will be stored in the long term  memory only if the program is actually started     In addition to special process programs  it is advisable to prepare 2  STANDARD programs  Daily and Week end     The Daily program will be instructed to finish the following day at the desired  hour  every time it will be started again the computer will propose for the  End time the
70. r is not available it is advisable to keep note on paper of each setup  parameter and store it in a safe place     Instructions     MTM   22    on    libration       gents Freq  Charcoal Subs Freq             It is particularly important to keep note of the following parameters    e SCP calibration   e WWC calibration   e VR delay   e RFD calibration   e WWC int heaters G  These data can be very useful in case of instrument repair especially in case of computer  or memory failure     Instructions     MTM   23       Alarms archive   The Alarm archive can be accessed also from the Service menu but it can be useful to  print it on paper periodically  The print on screen of the alarms is available only from the  Service menu     RMS status  This print allows the verification of the current RMS  Reagent Management System   Status     22 12 2011    10 52 20     Limit   e  Limit     REAGENT    01 FORMALIN 0000 0000  2 0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000  0000 0000          Instrument READY       The following parameters are shown    e Charcoal filters counter      Purge agents counter   e Total number of process executed      RMS done     not done   e WCC done   not done      Counters of each single reagents bottle or the reagent group  in the example  above it is shown an instrument with the RMS set on Groups  for both cassettes  processed or process performed   e The sequence of utilizat
71. ractices   Please take note of the safety aspects of the instrument     Do not use acetone or xylene for cleaning the unit  Only use alcoholic  media     Never spray or use cleaning medium directly onto the touch panels     11 2 DAILY MAINTENANCE   The daily maintenance of the instrument consists of   e Cleaning the processing chamber   e Cleaning the processing chamber lid and gasket   e Checking the level of reagent and wax     e Checking that reagent and wax bottles are correctly positioned in their slots     11 3 MONTHLY MAINTENANCE  The following monthly maintenance is recommended     e Check the indicator of the Charcoal filter and in case is at 100  replace the  filters     e Check for the presence of residues at the bottom of reagent and wax bottles   e When replacing reagents  carefully clean their bottles   e Grease the processing chamber lid gasket with silicone or PTFE grease     e Grease the bottle insertion o rings with silicone or PTFE grease     Instructions     MTM   82       11 4 CHARCOAL FILTER REPLACEMENT    Filter replacement is required approximately every 60 to 120 processes  based upon  environmental factors and the use of the WCC     Regardless of usage  the charcoal filters should be changed at least once every six  months  Charoal filters must be replaced with the required frequency as they may  release toxic and contaminated vapors into the air when exhausted  Exhausted filter  waste is to be handled in accordance with the local regulations     11 
72. rvice department for technical assistance     Instructions     MTM I 74       15   SHORT FILL   EXPLANATION during the reagent fill the filling time was too short  the reagent level may  be insufficient to cover the samples    CAUSE Malfunction of the pneumatic system  reagent level in the bottle too low    SOLUTION Verify the reagent level in the containers  If the problem persists  contact  our service department for technical assistance     20   PROC SUSP USER   EXPLANATION The process has been suspended for the opening of the SPC lid or by user  request    CAUSE When the SPC lid is opened during a process  or the user suspend it by  pressing ESC and ENTER  the computer temporarily halt the process  execution  When the SPC lid is closed back the computer automatically  resume the process execution within 3 minutes from the opening  The  user can also manually resume the process  if the lid is closed  by pressing  the key ENTER    SOLUTION Close the SPC lid as soon as possible  If the process is not resumed wait  for the system to automatically check the SPC lid micro switch  functionality  that it will happen within 3 minutes from the lid closing   If  the micro switch will be found broken the system will automatically  disable it and it will resume the process execution   Of course  meanwhile   the SPC lid must be left closed   If the SPC lid is closed but the system  shows that it is open  the micro switch that controls the SPC lid status is  surely broken or out of posi
73. t  etc   and moisture  sinks  drains  etc       Instructions     MTM   12       6 4 PACKAGING AND OR PREPARATION FOR TRANSPORT    To transport the instrument  perform the following steps     Remove all reagents  waxes included  from their bottles     Remove and close  with the proper threaded cap  the charcoal filter bottles   put also some adhesive tape on the air inlet to avoid charcoal pellets to get  out     Transport the charcoal filter bottles separately from the instrument  wrapped  and securely closed in a protective nylon bag     If the original box has been saved  follow the unpacking instructions in the  reverse order  using all the interior packaging to avoid serious damage to the  instrument during shipping     6 5 TRANSPORTATION    Before shipping  please keep in mind that     The instrument is fragile   The instrument is equipped with electronic parts     Contact with water and or any other liquid is to be avoided  please ensure  that the internal plastic protection bag that wraps the instrument is utilized     Transporting and storing temperature s  must be between  10   C to  50   C     Using the original box  the instrument is to be transported horizontally     Transporting the instrument vertically is highly discouraged as its centre of  gravity is quite high     Instructions     MTM   13       7  INITIAL OPERATION  7 1 MAIN MENU    Jo kl fm   n  f  l ml ne f      Instrument READY    The user interface is based on    Touch Screen    technology  Therefore th
74. t after that bottle reagent renewal     e Also the number of processes performed by each bottle is stored in the  memory  but it will be used only to be shown under request of the operator   also this counter is reset after that bottle reagent renewal     e The real effective counter is a third one  its name is DAF  Decreasing Aging  Factor     The DAF is calculated from    a  the number of cassettes actually processed      b  the position of a bottle in its group     The concept is based on the assumption that in a group the reagent that will age more  is the first one while the last is the one that will age less  Thus  inside a group  the  number of processed cassettes will be assigned to the DAF counters in a decreasing  manner  for example     Group taken as example  Clearing   Processed cassettes per process  100   Regressive percentage of the DAF inside an homogeneous group   100  60  40  30  20  15  10  minimum admissible    Predefined limit for the 3 bottles of this group  300 cassettes    Instructions     MTM   28    End of process 1                   Container Processed cassettes DAF  regressive counter   8 100 100  9 100 60  10 100 40             End of process 2                   Bottle Processed cassettes DAF  regressive counter   8 200 200  9 200 120  10 200 80             End of process 3                   Bottle Processed cassettes DAF  regressive counter   8 300 300  9 300 180  10 300 120             At this point the RMS will require the substitution of bott
75. t must be done with the SPC  empty and clean  The SPC must reach a pressure of 400 HPa  see Pressure field  within  70 seconds  see Timer field      If the time exceed 70 seconds  the SPC lid gasket must be checked and cleaned  If this  action does not correct the problem  contact our service department for technical  service     Instructions     MTM   84       Pressure test    The instrument will create pressure in the SPC  this test must be done with the SPC  empty and clean  The SPC must reach a pressure of 1200 HPa  see Pressure field  in a  maximum time of 12 seconds  see Timer field     If the time exceed 12 seconds  the SPC lid gasket must be checked and cleaned  If this  action does not correct the problem  contact our service department for technical  service     Full Testing    This function allows the execution of the instrument full testing  it is better to execute it  with a paper printer connected  in this way a full report is printed  Without the printer  the test is still useful because in case of malfunctions the relative alarm is shown at  screen but it is not possible to have a full report with the values of the most important  parameters  for example  the time required to reach the full vacuum or pressure       SPC Heating   This test allows to    Check the SPC heating elements    Melt the wax residuals that could remain in the SPC in case of an alarm   The processing chamber temperature is automatically brought to 60  C     This process may require up to 
76. t the use of the WCC the filters should be replaced every 90 to 120  processes     e With the use of the WCC the filters should be replaced every 60 to 90  processes     These values are somewhat approximate because can vary due to   e Environmental factors  humidity  temperature   e The duration of the processes  e The application of the vacuum  or pressure  on all the steps of process    e The frequency of agitation of the reagents    Instructions     MTM   35       If the MTM   is operated in an area with high relative humidity  if pressure and or  vacuum is requested for most or all of the process steps  if the reagents mixing in the  SPC is set to the maximum frequency  it will be necessary to set the limits for the  charcoal filters substitution at or below the minimum values mentioned above     Please note  If the charcoal filters are replaced before their counter reaches the preset  limit  it will be necessary to reset the counter with the    RMS Single Counter Reset     function     Wax Clean  Cycle On Off    The activation   de activation of the WCC takes place on the RMS Setup menu   Deactivation of the WCC is advisable when     e An excessive consumption of the charcoal filters makes its use less  adantageous than the paraffin savings  this may occur due to a combination  of the environmental and usage factors mentioned above     e The instrument is malfunctioning frequently  Discontinuing use of the WCC  will lower the workload for the MTM I and may eliminate one
77. tact our technical assistance    70   COM FRAME ERR  71   COM PARITY ERR  72   COM OVERRUN  73   COM TIMEOUT  75   SB FAILURE   79   COM LINE DOWN    EXPLANATION Problems with the serial lines of communication    CAUSE Hardware failure    SOLUTION Try to switch OFF and ON the instrument  If the problem persists  contact  our technical assistance    90   OVER PRESSURE   91   OVER VACUUM   92   PS BREAK HIGH   93   PS BREAK LOW   EXPLANATION Problems with the I O systems    CAUSE Hardware failure    SOLUTION Try to switch OFF and ON the instrument  If the problem persists  contact  our technical assistance    10 2 ALARMS HISTORICAL ARCHIVE   The alarms historical archive is under the    SERVICE    menu and consists of a list of the  last 100 alarm occurrences  Thanks to this feature  a service technician can immediately  recognize the problem  its frequency  the step in which it occurred and other  information useful to solve the problem     Alarms are displayed from top to bottom on the screen  starting with the most recent  one    e Use DOWN arrow to display older alarms    e Use ESC to go back to    SERVICE    menu    e  f a printer is available the alarm list can be printed from the    SETUP    menu     Instructions     MTM   81       11  CLEANING AND MAINTENANCE  11 1 CLEANING    The recommended frequency of cleaning of the cryostat chamber depends on how  frequently the instrument is used     Wear protective clothing and disposable gloves according to Good    Laboratory P
78. tance     Instructions     MTM   78       56   SHORT FILL   EXPLANATION A reagent fill was completed before the minimum allotted time  The SPC  will be drained and the process will proceed to the next step  If the  problem persists  the process will be stopped    CAUSE Very low quantity of reagent in a bottle  reagent bottle quick connector  not fully inserted into the female receptacle    SOLUTION Check reagent bottle position and fluid levels  If the problem persists   contact the our service department for technical assistance    57   VR OUT  EXPLANATION The rotary valve is out of position   CAUSE The Rotary Valve motor failed or the Rotary Valve position sensor failed     SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance     58   FILE NOT FOUND   EXPLANATION An essential computer file is damaged or cannot be found and the error  recovery system couldn   t correct the problem    CAUSE Computer malfunction    SOLUTION No intervention by the user is possible  If the problem persists  contact our  service department for technical assistance    59   SPC TEMP LOW   EXPLANATION The SPC chamber temperature was too low during the drain of a wax  step  the drain cannot be completed  The process will be stopped to avoid  other problems  The samples will be left in wax till the user intervention    CAUSE Incorrect working of SPC  temperature sensor  heater  safety thermostat    SOLUTION No intervention 
79. ted the quick couplers  and are correctly inserted into the external bottles     e Verify that the external bottle for the waste reagent would have at  least 5 litres remaining capacity     e Verify that the bottle with the new reagent would have at least 2 5  litres available for the filling and that the pipe end reaches the bottle  bottom     e Verify that the room in which the RFD is performed would be  adequately ventilate  the RFD doesn   t have a recirculation system on  the external bottles     e Incase different reagents are drained together into the external waste  bottle  before to do it  in order to avoid potentially dangerous  chemical reaction  verify their chemical and physical compatibility     Instructions     MTM   46       Filling wax bottles    In MTM I the paraffin waxes are contained in the same bottles used for reagents  The  advantages of it are the following     e Easy handling and emptying of the wax bottles    e Easy and economical substitution of the wax bottles    Bottles must be re filled with melted  wax  Attempting to fill them with  flakes  other than to be uneasy  may  produce under fill conditions that  will cause a blocking alarm   Furthermore  the fill hose cannot be  inserted into bottles 11 14  located  in the wax heating chamber   in  presence of not melted wax     The filling level is the same for  reagents and wax  2 5 litres      Wax bottles are placed in a special  heating chamber that maintains a  constant temperature consistent  wi
80. th the temperature required for  the waxes during the process        There are 5 wax bottle slots  The one labelled    R    contains a spare bottle  thus     In    Factory pre filled    mode the    R    slot in the wax heating chamber is used to melt the  paraffin prior its utilization as a replacement of a dirty bottle     In    Standard    mode the    R    slot can be used to keep a wax bottle warm for immediate  replacement of a dirty bottle     Instructions     MTM   47       FE  Since the normal wax temperature approaches the level at which a first     degree burn may be possible  we recommend the following     e Always wear protective gloves and eyewear when handling bottles  of wax     e Always place a cap on wax bottles immediately after their removal  from the wax heating chamber     e Handle them with care     e The wax heating chamber door is insulated and must be kept closed  except when extracting or replacing bottles     Never leave a slot without a bottle  the bottles should always stay in their  slots with their normal wax level of 2 5 It  The absence of one bottle may  cause an incorrect heating of the other bottles     Wax Cleaning Cycle  WCC     Use of the WCC will reduce the consumption of paraffin by approximately 50   The  system is able to reduce paraffin consumption by removing the contamination of the  preceding reagents     The removal is accomplished by a flow of air bubbled through the wax containers     The volatile reagents evaporate due to the h
81. tion  Waiting for service it is possible to  manually disable it by the instrument SETUP menu     21   PROC SUSP LID   EXPLANATION The process has been suspended indefinitely caused by the opening of the  SPC lid    CAUSE In case of process suspension the process MUST be resumed within 3  minutes  after that time the suspension is considered accidental and this  ALARM is issued to not confuse it with alarm 20    SOLUTION see ALARM 20     22   PROC SUSP UPS   EXPLANATION This alarm is issued only in unit with the RS 232 connected UPS    CAUSE The process has been suspended because  during a power failure  the UPS  batteries went below 40  charge  The process is suspended to avoid that  the energy would be completely lost during a drain or fill action with the    Instructions     MTM   75       SOLUTION    risk that the sample will remain in air  The instrument is set in a condition  of power saving to increase the UPS batteries life   Restore the electrical power  if the power is restored before the batteries  would be completely exhausted the process will be automatically  restarted  The process will be restarted after the power is restored  even in  case of total loss of batteries charge  but in case of wax steps a delay is  introduced to ensure the wax complete melting  If the electrical power is  not restored within 5 minutes from the issuing of this alarm  the condition  is switched to alarm 23 and the instrument prepare itself for the complete  switching OFF  see alarm 2
82. to a bottle in the RMS  automatically updates the reagent names in the process programs  However  it is  important that the reagent label corresponds exactly to the content of the bottle  defined during the setup of the RMS  This is due to the fact that later  when the RMS  wil prompt the user to replace a bottle  it will suggest the reagent that needs to be filled  in the bottle accordingly with what programmed here  if the label is not consistent with  the reality a mistake can be easily made     For example  if the reagent label    Paraffin    is assigned to the bottle in position  4   which is not located in the wax chamber   later when the RMS prompts the user to  replace bottle  4  the user will be instructed to put    Paraffin    in that position  Clearly   this would be an error  Therefore it is important to carefully plan the entire reagent  selection process prior to setting up the RMS        m REAGENT MANAGEMENT SYSTEM  RMS Define Reagents               Bottle Group Reagent    1 1 FORMALIN   2 2 WATER   3 3 ALCOHOL 95   4 3 ALCOHOL 95   5 4 ALCOHOL 100   6 4 ALCOHOL 100   7 4 ALCOHOL 100 i  8 5 XYLENE    9 5 XYLENE i  10 5 XYLENE   11 6 WAX 60   12 6 WAX 60   13 6 WAX 60   14 6 WAX 60             Instrument READY       Instructions     MTM   32       RMS Define Limits    The definition of the limits determines the frequency of reagent substitution  It is  possible to assign to each bottle a limit based on the number of cassettes processed   When this limit is reach
83. ue to supply power to the MTM   but its state will not anymore shown and  considered  In case of an attempt to enable the UPS when the UPS is not installed  the  command will be refused  In case of serious malfunctions of the UPS it may be not  sufficient the software disabling  in this case it is advisable or necessary to physically  disconnect it from the MTM I  Please call our technical service to perform the repair or  the disconnection     Instructions     MTM   17       7 14 SCREEN SAVER TIME   After a period of not utilization of the touch screen  the LCD screen is completely  switched off to extend its life span and save energy    This function allows the setting of the panel ON time      the minimum time is 10 minutes     the maximum time is 90 minutes   The tissue processor will continue to work perfectly even when the screen is switched  off  by touching any point in the screen surface it will be switched on in not more than  2 seconds and the MTM   computer will emit a beep to confirm  It is advisable to not  press more than one time the screen surface and wait for the screen data and pictures  to be visible before to perform any command  The first touch will not be considered a  command but any subsequent touch may be recognized as a command     Instructions     MTM      7 15 PASSWORD SETUP  The MTM I software includes a password system that allows the access restriction to  separate functions of the instrument       PASSWORD SETUP  Password setting     Currently
84. umber it is shown an asterisk     Password modification   The password can be modified any moment from this function  but of course  the  modification is allowed only after the correct typing of the current password  We  recommend to carefully keep note of the new password before the modification  because once modified there is no way to deactivate or modify it without knowing the  current one  In case the password is lost it is necessary the intervention of our technical  service to deactivate or retrieve it     Instructions     MTM   20    Password protection map    PASSWORD SETUP  Password setting  Currently the system already has a password    PROTECTION MAP    Press ENTER to save  EXIT to exit without saving ENTER   exit  Start Process i    Edit Protocol  Abort Process  RMS actions  RMS Setup  Remote Fill Drain  i  Parameters Setup    Service    bbbbbbbbk    Start Purge    Instrument READY       There are nine functions that can be protected by password  It is advisable to use the  password only where it is really necessary     The extensive usage of the password while increasing the instrument security may create  problem to the day by day operations  The password will be requested for the activation  of each protected functions and can be requested many times during the usage of the  instrument  for example during the RFD it will be requested for each bottle managed    that may result to be bothering but it is necessary to guarantee a real protection of the  instrument
85. uum is set in the program   that is due to the possible  formation  with high samples load  of a sort of solidified foam on top of the  sample baskets that will require long time for its melting     The two phenomena above described are more or less common to every kind  and brand of tissue processor  That is easily understandable by the fact that   as said  the first wax gets in contact with quite cold samples baskets and SPC  walls  The problem can be reduced if in the last reagent the temperature is  set at 45  C  In case of drain alarms in the first wax the most useful and  efficient remedy is the first wax step time increasing  Another sign of this  problem can be the sistematic decrease of the level of the first wax bottle  together with the increase of the level in the second wax bottle     9 6 FIXATION    The overall samples fixation is normally done outside the tissue processors  That is due  also to the need to perform different fixation type and timing in relationship to the kind  and size of sample     The first step in formalin is not necessary if the fixation has been completely executed  outside the tissue processor  It can be useful to remember that the formalin can leave  solid crystals that may be detrimental for some of the internal parts of the tissue  processor  and again this is worth for every kind and brand of tissue processor  Thus we  recommend the following     Perform a complete fixation outside the tissue processor     Wash the samples in fresh ta
86. ys    Processing        e If a wax step has already been executed  the program will call for the purge  of the SPC  The processor does not ask for purge when a program is aborted  before using waxes     Opening the SPC lid during a process    There are situations in which the processing chamber  SPC  lid CANNOT be opened   when the SPC is under vacuum   Others in which it MUST NOT be opened  during fill  and drain operations      NEVER open the SPC while a program is running in a phase other than    Processing      Alarms may occur and the computer control system may abort the process     Moreover  potentially toxic or flammable substances may exit from the SPC     The SPC lid is equipped with a microswitch that detects if the lid is open or closed  thus   if the lid is opened during a process  the process it is automatically suspended  But  before to open the SPC lid it is BETTER to suspend the process by pressing the keys ESC  and ENTER in sequence  This will signal the system to normalize the SPC pressure and  equalize it with the ambient pressure     As said the SPC lid can be opened when the second message line displays    Processing      Please take the following precautions     e Suspend the process before to open it   e Close back the SPC lid as soon as possible     e Respect all the safety rules about the precautions to be taken when handling  toxic or flammable substances     e  f the system is processing during a vacuum step  after the lid handle  opening  it will 
    
Download Pdf Manuals
 
 
    
Related Search
    
Related Contents
Samsung Galaxy Trend Brugervejledning    Sample Data Sheet  Fiery Manual - Print and Finishing Solutions  Instrucciones de manejo MS-3310 MS-4010 MS - Makita  Samsung Gear 2 Neo Manual de Usuario    Elmo TEB4404 User's Manual  User Guide User Guide  GE 29253GE2 Corded Phone    Copyright © All rights reserved. 
   Failed to retrieve file