Steris AMSCO 400 Series Operator'S Manual Download Page 163

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9-21

Troubleshooting

Operator Manual

P129394-020

Alarm

Description

Screen with Operator Instructions

9.4.7 Board Overtemp

Failure

Occurs if temperature of
the main control board
exceeds acceptable
environmental
conditions.

STATUS . . ALARM!

280

BOARD OVERTEMP FAILURE

CHAMBER: 00.0 F 0.0 psig

STERILIZER WILL:

•

AUTOMATICALLY ABORT CYCLE

OPERAT0R INSTRUCTIONS:
1. SILENCE ALARM
2. CALL SERVICE

STATUS

SILENCE

ALARM

PAPER

FEED

Summary of Contents for AMSCO 400 Series

Page 1: ...OPERATOR MANUAL AMSCO 400 Series Small Steam Sterilizers 16 x 16 406 x 406mm 20 x 20 508 x 508 mm Prevacuum Steam Flush Pressure Pulse 05 22 15 P129394 020 Rev AB ...

Page 2: ......

Page 3: ...ce Information A thorough preventive maintenance program is essential to safe and proper sterilizer operation You are encouraged to contact STERIS concerning our Preventive Maintenance Agreement Under terms of this agreement preventive maintenance adjustments and replacement of worn parts are done on a scheduled basis to assure equipment performance at peak capability and to help avoid untimely or...

Page 4: ...apped instrument trays porous and non porous loads Maximum weight per tray 25 lb 11 3 kg ST 8 2008 Prevac Cycle 270 F 132 C 4 minutes 5 Minutes Single Fabric Pack ST 8 2008 Prevac Cycle 275 F 135 C 3 Minutes 30 Minutes Double wrapped instrument trays porous and non porous loads Maximum weight per tray 25 lb 11 3 kg ST 8 2008 Immediate Use Prevac Cycle 270 F 132 C 4 Minutes 1 Minute Unwrapped instr...

Page 5: ... A Refer to Table 5 page vi for recommended quantities ST 8 2008 6 Leak Test N A N A N A None ST 8 2008 7 DART Test 270 F 132 C 3 1 2 Minutes 1 Minute Dart or Bowie Dick Test Pack ST 8 2008 8 DART Warm up 270 F 132 C 3 Minutes 1 Minute None N A Dry time can be reduced to 5 minutes for a single fabric pack The liquid cycle is for non patient contact use only Not adjustable Table 1 AMSCO 400 Series ...

Page 6: ...Minutes Fabric Packs ST 8 2008 SFPP Cycle 275 F 135 C 3 Minutes 30 Minutes Double wrapped instrument trays porous and non porous loads Maximum weight per tray 25 lb 11 3 kg ST 8 2008 SFPP Cycle 270 F 132 C 4 Minutes 5 Minutes Single Fabric Pack ST 8 2008 Prevac Cycle 270 F 132 C 4 Minutes 20 Minutes Fabric Packs ST 8 2008 Prevac Cycle 270 F 132 C 4 Minutes 30 Minutes Double wrapped instrument tray...

Page 7: ...fer to Table 5 page vi for recommended quantities ST 8 2008 6 Leak Test N A N A N A None ST 8 2008 7 DART Test 270 F 132 C 3 1 2 Minutes 1 Minute Dart or Bowie Dick Test Pack ST 8 2008 8 DART Warm up 270 F 132 C 3 Minutes 1 Minute None N A Dry time can be reduced to 5 minutes for a single fabric pack The liquid cycle is for non patient contact use only Not adjustable Test Cycles for All Units Ster...

Page 8: ...amber Size Wrapped Instrument Trays Fabric Packs 16 x 16 x 26 406 x 406 x 660 mm 2 4 20 x 20 x 38 508 x 508 x 965 mm 3 6 1 Refer to Tables 1 and 2 to determine cycle use guidelines Sterilizer Size Number of Containers for Liquid Cycle Full Load Volume of Liquid in One Container Minimum Recommended Sterilize Time at 250 F 121 C in Minutes 16 x 16 x 26 406 x 406 x 660 mm 15 1000 mL 45 20 x 20 x 38 5...

Page 9: ... C 16 x 16 x 26 Sterilizer Facility Steam 4300 btu hr 4537 kilojoules hr w Generator 6050 btu hr 6383 kilojoules hr 20 x 20 x 38 Sterilizer Facility Steam 7000 btu hr 7385 kilojoules hr w Generator 8750 btu hr 9232 kilojoules hr Manufactured by STERIS Mexico S de R L de C V Avenida Avante 790 Parque Industrial Guadalupe Guadalupe Nuevo Leon Mexico C P 67190 Sales and Service STERIS Corporation 596...

Page 10: ...viii P129394 020 Operator Manual Introduction Healthcare Capital Equipment ...

Page 11: ...ie Dick Test 4 2 4 5 Vacuum Leak Test 4 3 4 6 Recommendations for the Sterilization Process 4 3 4 7 Techniques of Sterilization for Liquid Cycle 4 4 4 8 Recommendations for Sterilizing Liquids 4 5 4 9 Sterilization of Implantable Devices 4 6 5 Component Identification 5 1 5 1 General 5 2 5 2 Main Sterilizer and Cycle Controls 5 2 5 3 Control Displays 5 5 5 4 Alarm Displays 5 6 5 5 Operating End Co...

Page 12: ...11 Liquid Cycle 6 19 6 12 SFPP Sterilizer Cycles 6 21 6 13 SFPP Cycles 6 23 6 14 Test Cycles 6 25 6 14 1 Daily Air Removal Bowie Dick Test Cycle 6 26 6 14 2 Vacuum Leak Test 6 29 6 15 Aborting Cycles 6 31 6 16 Cycle Graphs 6 32 7 Cycle and Control Value Programming 7 1 7 1 Change Values Procedure 7 1 7 2 Change Cycle Values 7 2 7 2 1 Overview 7 2 7 2 2 Adjusting Cycle Sterilize Time and Dry Time 7...

Page 13: ...ainer 8 2 8 3 Routine Maintenance Procedure 8 3 8 3 1 Flush Chamber Drain 8 3 8 3 2 Chamber Cleaning 8 3 8 4 Printer Maintenance 8 5 8 4 1 Check Printer Paper Roll 8 5 8 4 2 Check Printer Ink Cartridge 8 9 8 5 Waste Products Disposal 8 10 8 6 Recommended Spare Parts 8 10 9 Troubleshooting 9 1 9 1 General 9 1 9 1 1 Typical Alarm Screen 9 1 9 1 2 Typical Alarm Printout 9 2 9 2 In Cycle Alarms 9 2 9 ...

Page 14: ...ication Failure 9 18 9 4 2 Input Output Board 1 Failure 9 19 9 4 3 RTC Failure 9 19 9 4 4 ROM Failure 9 20 9 4 5 RAM Failure 9 20 9 4 6 ADC Failure 9 20 9 4 7 Board Overtemp Failure 9 21 9 5 Sensor Alarms 9 22 9 5 1 Water In Chamber 9 22 9 5 2 Chamber Temperature Probe Failure 9 23 9 5 3 Jacket Temperature Probe Failure 9 23 9 5 4 Waste Temperature Probe Failure 9 24 9 5 5 Recorder Temperature Pro...

Page 15: ...e 6 1 Utility Supply Valves and Basic Sterilizer Controls 6 2 Figure 6 2 Optional Steam Generator Check List 6 3 Figure 6 3 Align Loading Car with Chamber Opening 6 6 Figure 6 4 Sterilizer Chamber Equipped with Rack and Shelves 6 8 Figure 6 5 Prevac Cycle In Cycle Screens 6 10 Figure 6 6 Typical Prevacuum Cycle Printouts 6 12 Figure 6 7 Gravity Cycle In Cycle Screens 6 14 Figure 6 8 Typical Gravit...

Page 16: ...ties Enabled 7 26 Figure 7 10 Generator Flush Duration Time Control Screen when Auto Utilities Enabled 7 27 Figure 7 11 Sample Full and Condensed Printouts 7 32 Figure 8 1 Remove Chamber Drain Strainer Typical 8 2 Figure 8 2 Open Printer Door 8 5 Figure 8 3 Printer Components Printer Door Open 8 6 Figure 8 4 Tear Printer Paper 8 6 Figure 8 5 Insert New Paper Roll 8 7 Figure 8 6 Insert Paper Behind...

Page 17: ... Definitions 2 1 Table 2 2 Label Definitions 2 2 Table 4 1 Liquid Cycle Processing Guidelines 4 4 Table 5 1 Required Feed Water Quality for Carbon Steel Steam Generators 5 20 Table 6 1 Factory Set Prevacuum Cycles and Cycle Values 6 10 Table 6 2 Factory Set Gravity Cycles and Cycle Values 6 14 Table 6 3 Factory Set Optional Liquid Cycle and Cycle Values 6 18 Table 6 4 Factory Set SFPP Sterilizer C...

Page 18: ...xvi P129394 020 Operator Manual List of Figures and Tables Healthcare Capital Equipment ...

Page 19: ...f this equipment which has been throughly inspected tested and adjusted by factory trained personnel Equipment maintenance other than described in the manual unless by authorized representatives of the STERIS Corporation shall be at the risk of invalidating the equipment warranty To obtain authorized service call STERIS Corporation Healthcare 1 800 548 4873 Life Sciences 1 800 444 9009 WARNING ELE...

Page 20: ... sterilizer following the previous operation Do not attempt to open the sterilizer door if a WATER IN CHAMBER ALARM condition exists Call a qualified service technician before attempting to use sterilizer further After manual exhaust steam may remain inside the chamber Always wear protective gloves apron and a face shield when following emergency procedure to unload sterilizer Stay as far back fro...

Page 21: ...r further According to AAMI standards a measured leak rate greater than 1 mm Hg minute 1 3 mbar min indicates a problem with the sterilizer Refer the situation to a qualified service technician before using the sterilizer further Gasket must be fully retracted prior to operating sterilizer door If 0 dry time is selected sterilizer automatically initiates a vapor removal phase in place of drying Th...

Page 22: ...ay cause water hammer resulting in damage to the sterilizer After installation it is mandatory to brace piping at the drain funnel so that it will not move vertically Make sure door opening is clear of any obstruction before closing the door s Do not attempt to open sterilizer door during manual operation unless chamber is at 0 psig During manual operation gasket must be fully retracted prior to o...

Page 23: ...ot surface Serial number of unit located on sterilizer s data plate Protective earth i e ground V Voltage rating of unit Electrostatic sensitive device Alternating current Locked cycle or machine set up option A Amperage rating of unit Unlocked cycle or machine set up option Hz Frequency rating of unit Attention consult manual for further instructions Ø Phase of the unit Crushing Hazard Hand Crush...

Page 24: ...que no se ajuste a lo descrito en el Manual a no ser que dicho mantenimiento haya sido autorizado por representantes de STERIS Corporation puede conllevar la invalidación de la garantía del equipo Para conseguir un mantenimiento autorizado llame a IMPORTANT IMPORTANTE IMPORTANT Please read the Equipment Manual to get the best understanding and to help ensure the best performance of this equipment ...

Page 25: ...th the validated product STERIS warranty is void if components are used that are not approved DO NOT USE components that are not validated as part of this sterilizer Le fonctionnement du stérilisateur est validé en tant que système composé des éléments définis par STERIS dans le manuel de l utilisateur et dans le manuel d entretien du stérilisateur Leur remplacement par des éléments non autorisés ...

Page 26: ...HOT SURFACE HAZARD PELIGRO SUPERFICIE CALIENTE DANGER SURFACE CHAUDE WARNING AVERTISSEMENT ADVERTENCIA AVOID PERSONAL INJURY FROM BURSTING BOTTLES LIQUID STERILIZATION CYCLE MUST ONLY BE USED FOR LIQUIDS IN BOROSILICATE PYREX FLASKS WITH VENTED COLOSURES REFER TO EQUIPMENT MANUAL FOR DETAILS POUR PREVENIR DES BLESSURES SERIEUSES CAUSEES PAR L ECLATEMENT DE BOUTEILLES LE CYCLE DE STERILISATION LIQU...

Page 27: ...pper left and integral steam generator below chamber behind front access panel See SECTION 8 ROUTINE MAINTENANCE Table 2 2 Label Definitions Continued Label Definition 055605 152 REV 0 DOOR OPEN CLOSE PUERTA ABIERTA CERRADA PORTE OUVRIR FERME WARNING WARNING AVERTISSEMENT AVERTISSEMENT THIS UNIT HAS A MULTIPLE VOLTAGE SUPPLY DISCONNECT ALL POWER BEFORE OPENING COVER AND WORKING ON ELECTRICAL COMPO...

Page 28: ...2 6 P129394 020 Operator Manual Symbol and Labels Healthcare Capital Equipment ...

Page 29: ...ion 3 2 Service Clearance Clearance as specified on the Equipment Drawing must be available 3 3 Plumbing Services Feed Water All supply line shutoffs must be provided with lockout capability Back flow prevention device installed NOTE STERIS does not provide a backflow prevention device with the sterilizer Water Pressure Water Ejector specification is 30 to 50 psig 2 1 to 3 5 bar dynamic Vacuum Pum...

Page 30: ... if option is present must be as specified on the Equipment Drawing and on the Sterilizer s Data Plate Electric three phase service to vacuum pump if option is present must be as specified on the Equipment Drawing and on the Sterilizer s Data Plate The protective earth ground must be connected to terminal block TB 1 in the sterilizer power box 3 5 Sterilizer Final Check Chamber leveled properly Do...

Page 31: ... met NOTE Contact STERIS for information on specific biological indicators recommended for use with this sterilizer 4 2 Immediate Use Each of the sterilizers is programmed with one or more sterilization cycles intended to process items for immediate use Immediate use can be defined as the shortest possible time between a sterilized item s removal from the sterilizer and its aseptic transfer to the...

Page 32: ...posure in a prevacuum test cycle the pack is opened the indicator examined and conclusions are drawn as to the pattern of residual air if any that remained in the pack during the sterilizing cycle Any indication of a malfunction must be reported to the supervisor Sterilizer must not be used to run prevacuum cycles until approved by supervisor According to AAMI ST 79 a steam penetration test shall ...

Page 33: ... are not always well understood The condition most likely to result in sterilization problems is a failure to remove all of the air from the items being processed For example placing an empty beaker or bowl in an upright position in a gravity displacement sterilizer may result in the object not being sterilized or may require exceptionally long sterilization times This problem is caused by air tra...

Page 34: ...ng procedures Use Liquid cycle only Use only vented closures Use only Type I borosilicate glass bottles Processed bottles are hot following liquid cycle and may boil over Always wear appropriate PPE including thermal gloves and goggles when removing processed bottles from chamber Do not allow hot bottles to be jolted Steam may be released from the chamber when door is opened Step back from the ste...

Page 35: ...osures WARNING EXPLOSION HAZARD The liquid cycle is for non patient contact use only WARNING PERSONAL INJURY HAZARD Avoid personal injury from bursting bottles Liquid sterilization cycle must only be used for liquids in borosilicate Pyrex flasks with vented closures WARNING BURN HAZARD When sterilizing liquids you must observe the following procedures Use Liquid cycle only Use only vented closures...

Page 36: ...zation of implantable devices Refer to AORN recommended practices for more information Sterilization of implantable devices by a healthcare facility must be monitored When sterilizing an implantable device always place a biological monitor in the load Following sterilization implant must be quarantined until the biological monitor has been incubated and read by a qualified person ...

Page 37: ...ilizer is hinged for service access Chamber Rack and Shelves Cycle Printout and Printer Generator Drain Valve Sight Glass Generator Water Supply Valve Main Power Disconnect Switch Integral Electric Steam Generator Optional Foot Pedal Touch Screen Emergency Stop Switch Main Control Enclosure Above chamber behind front access panel COMPONENT IDENTIFICATION 5 ...

Page 38: ... or within the wall enclosure above the chamber Refer to Figure 5 2 Ensure this is in the open position before trying to operate the sterilizer Water Supply Valve A yellow handled valve located behind the side access panel or within the wall enclosure below the chamber Refer to Figure 5 2 Ensure this is in the open position before trying to operate the sterilizer Chamber Emergency Manual Exhaust V...

Page 39: ...ol between Standby and Ready conditions Standby mode is usually used when the sterilizer is not being operated steam is turned off and machine cools saving energy A screen reference number appears in the upper right corner of each display Numbers are used for reference only and do not relate to the operating sequence of the screen Figure 5 2 Basic Controls STATUS STANDBY 0 TIME 10 20 00 AM DATE 2 ...

Page 40: ...n Figure 5 3 Optional Steam Generator Valve Controls Sterilizer Frame Not Shown for Clarity Blue Gate Valve Hot Water Supply Yellow Ball Valves Hot Water Supply Yellow Ball Valve Pressure Gauge Control Do Not Adjust Sight Glass Generator Drain Manual Valve ...

Page 41: ...omatically and unless an abnormal condition occurs require no special attention or instructions In cycle displays tell the operator at what temperature and pressure the sterilizer chamber is operating show the current cycle phase and indicate when the processing cycle is complete For more details about operating cycles refer to SECTION 6 STERILIZER OPERATION Figure 5 4 Typical Out Of Cycle and In ...

Page 42: ...ble If these instructions fail to clear the alarm consult your departmental supervisor or a trained service technician before using the sterilizer further Figure 5 5 Alarm Display Examples STATUS ALARM 205 TOO LONG IN CHARGE CHAMBER 158 0F 0psig STERILIZER WILL AUTOMATICALLY TRY TO COMPLETE CYCLE OPERATOR INSTRUCTIONS 1 SILENCE ALARM 2 CHECK STEAM SUPPLY VALVE IF CLOSED OPEN VALVE 3 IF ALARM RECUR...

Page 43: ... of the unit control panels at both ends of the unit are similar and each can be used to start or abort the sterilizer The operating end control panel see Figure 5 6 is used to Select and start cycles Abort cycles Set cycles and cycle values Obtain status printouts see Printer paragraph later in this section The operating end control includes a printer for cycle documentation Cycle status and cont...

Page 44: ...perator Manual Component Identification Figure 5 6 Control Panels Non Operating End Control Panel Operating End Control Panel Cycle Printout Touch Screen Emergency Stop Button Typical Menu Screen Typical In Cycle Screen ...

Page 45: ...cle selection screen Prevacuum Sterilizers The first six cycles 1 through 6 are the factory default cycles and are routinely displayed on screen 1 press MORE CYCLES to access cycles 5 and 6 Up to six additional cycles can be programmed and displayed Steam Flush Pressure Pulse SFPP Sterilizers The first five cycles 1 through 4 are the factory default cycles and are routinely displayed on screen 1 p...

Page 46: ... Figure 5 7 Cycle Selection Touchpads STATUS DOOR CLOSED 1 TEMP 128 0 F PRESS 0 PSIG PRESS MORE CYCLES FOR GRAVITY TEST 1 270 F 2 270 F 3 275 F 4 270 F PREVAC PREVAC PREVAC PREVAC S 04 D 01 S 04 D 30 S 03 D 30 S 04 D 20 IMMEDIATE FULL LOAD FULL LOAD FULL LOAD USE TRAY TRAY FABRIC 10 20 34 AM 10 08 10 STANDBY MENU PAPER FEED MORE CYCLES Press one of these buttons to start a cycle Press this button ...

Page 47: ...ating settings of the sterilizer Instructions for changing sterilizer cycle parameters are in SECTION 7 CYCLE AND CONTROL VALUE PROGRAMMING Figure 5 8 Values Touch Screen Pads SELECT VALUE TO CHANGE 1 TEMP STER DRY NAME 000 F 00M 00M 11 MENU Press this button to change a cycle name Press this button to change sterilization exposure time limited range Press this button to change drying time CUSTOM ...

Page 48: ...Break if in vacuum the door seal deactivates the control prompts the operator to open the door and the sterilizer returns to its normal out of cycle state If an abnormal condition persists after fully aborting the cycle contact your supervisor or a qualified service technician before trying to operate the sterilizer further Figure 5 9 Cycle Abort Touch Screen Pad STATUS DRY 0 45 4 TEMP 210 0 F PRE...

Page 49: ...se and conditions when unit is in cycle This touchpad is only visible during cycle operation Print Last Cycle The sterilizer provides two methods for acquiring an on demand printout of the last cycle run PRINT LAST CYCLE touchpad also appears on Menu screen 2 Press to obtain a complete duplicate printout of the last previously run cycle when unit is not in cycle Press PRINT LAST CYCLE touchpad on ...

Page 50: ... April 04 Two digit day e g twenty eighth day 28 Two digit daily cycle count e g first cycle 01 second 02 etc Example of a complete load number 042907 April 29 7th cycle NOTE The load number cannot be edited by the user During the cycle status lines on the printouts show the time the line was printed chamber temperature and the level of vacuum or pressure in the chamber Each status line also begin...

Page 51: ...ne Number Serial Number Sterilize Temperature Control Overdrive Temperature Sterilize Time Dry Time Status Print Codes Conditioning Charge Vacuum Pulses Sterilize Exhaust Dry Complete Load Number Sterilize Temperature Min Max Time in Phase Total Cycle Time Additional Status Print Codes F Alarm Failure L Leak Test Vacuum or Hold D Demand Print Print Status ...

Page 52: ...s in the open lowered position causes the door to close by raising On double door units there is no control of the power door at the opposite end of the unit Each door of a double door sterilizer is operated from the end where the door is located Important Keep the door closed when the unit is not in use WARNING PERSONAL INJURY HAZARD When closing the chamber door keep hands and arms out of the do...

Page 53: ...the door release tool provided press on the upper left hand and right hand corners of the chamber door see Figure 5 13 The door should give inward slightly indicating that the seal has been pushed into the groove The door must bottom out against the metal end frame of the sterilizer chamber 3 Close the access panel of the sterilizer 4 Press down on the door handle to lower the door The door will s...

Page 54: ...ill open when the emergency stop switch is pressed Important The emergency stop switch is for emergency use only DO NOT USE AS A START STOP SWITCH To properly abort a cycle press abort button on sterilizer display Figure 5 14 Emergency Stop Switch Key and Guard Emergency Stop Label Emergency Stop Switch and Key Emergency Stop Guard Figure 5 15 Press Abort Button to End Cycles When Needed STATUS CH...

Page 55: ... stop key is required to reset the emergency stop switch NOTE The emergency stop key should be retained by the department supervisor Resetting the Switch 1 Insert emergency stop key 2 Turn emergency stop key counterclockwise a Alarm clears b Cycle aborts c Sterilizer resumes normal operation 5 11 2 Emergency Stop Guard The emergency stop guard see Figure 5 14 helps prevent the operator from accide...

Page 56: ...ed Table 5 1 Required Feed Water Quality for Carbon Steel Steam Generators Condition Nominal Conditions Maximum Conditions Temperature 40 140 F 4 60 C 150 F 66 C Total Hardness as CaCO3 17 1 ppm 1 0 grain hardness 0 17 ppm 130 ppm Total Dissolved Solids 50 150 ppm 250 ppm Total Alkalinity as CaCO3 50 100 ppm 180 ppm pH 6 8 7 5 6 5 8 5 Total Silica 0 1 1 0 ppm 2 5 ppm Resistivity Ω cm WARNING BURN ...

Page 57: ...nute duration Sterilizer chamber temperature and pressure are displayed but values for the generator are not 1 Depressurize The generator exhausts steam through the jacket and operating end door seal if door is closed The generator cools and depressurizes until a one minute timer appears on the status bar signaling conditions for a depressurize phase have been met The approximate projected cycle c...

Page 58: ...ve must open within one minute or an alarm occurs A 10 second timer appears on the status bar when conditions for Drain phase have been met 3 Flush Hot water flows through boiler chamber for 5 10 or 15 minutes as selected by user Cooling water is controlled by temperature probe to maintain an average generator drain temperature of 140 F 60 C or less 1 Alarm intervals such as Too Long to Depressuri...

Page 59: ...sh began from main menu screen sterilizer returns to main cycle screen and utilities restart immediately NOTE If sterilizer is in cycle at scheduled flush time a flush cycle automatically occurs when sterilization cycle is completed Unload items from chamber then close door to aid in depressurize phase Approximately 10 15 minutes are required to build a head of steam suitable for running a sterili...

Page 60: ...5 24 P129394 020 Operator Manual Component Identification Healthcare Capital Equipment ...

Page 61: ...t cycle Run a daily air removal test at least once a day to document the removal of residual air from sample challenge loads Run a vacuum leak test at least once each week to measure the integrity of the pressure vessel and associated piping This test helps assure that air is not being admitted to the sterilizer chamber during vacuum draw downs NOTE Always run a warm up cycle before running the da...

Page 62: ...sible when the sterilizer is not in Standby and is ON and ready to run a cycle STATUS DOOR CLOSED 1 TEMP 128 F PRESS 0 PSIG PRESS MORE CYCLES FOR GRAVITY TEST 1 270 F 2 270 F 3 275 F 4 270 F PREVAC PREVAC PREVAC PREVAC S 04 D 01 S 04 D 30 S 03 D 30 S 04 D 20 IMMEDIATE FULL LOAD FULL LOAD FULL LOAD USE TRAY TRAY FABRIC 10 20 34 AM 10 08 10 STANDBY MENU PAPER FEED MORE CYCLES Touch ON button to Adva...

Page 63: ...is present 1 Open front access panel 2 Check generator pressure gauge If pressure shown proceed to Step 6 3 Check yellow handle ball valve near pressure gauge Valve must be open 4 Check sight glass for water if no water make sure supply valves below are open Be sure manual generator drain valve is closed 5 Check two yellow handle ball valves controlling hot water inlet to generator are open 6 Chec...

Page 64: ... dried 4 Place instrument sets in trays that have a perforated or mesh bottom Place flat for sterilization In mixed loads of fabrics and hard goods place the hard goods on lower shelf This reduces wetting of fabric packs from condensate dripping from a hard goods load DO NOT OVERLOAD STERILIZER Allow for steam penetration between packs Avoid contact of load components with the wall of the chamber ...

Page 65: ...ed with fabric Do not place load on a cold surface Be sure that no air conditioning or cold air vents are nearby 4 Remove packs or instrument trays from the padded surface when they have reached ambient room temperature Depending on the items and environment of the area this may take a minimum of one hour Important After removing load s from the chamber close the chamber door and keep the chamber ...

Page 66: ...age backward transfer carriage should remain stationary 6 Once transfer carriage is securely latched release the loading car from the transfer carriage by lifting the carriage lock 7 Carefully push the loading car off the transfer carriage and fully into the sterilizer chamber 8 Disengage transfer carriage latches from end frame by pushing carriage latch knob 9 Back the transfer carriage away from...

Page 67: ...ding the shelves slide them to closed position to verify shelf does not interfere with door operation both doors if double door sterilizer 4 Close chamber door s 5 The sterilizer is now ready to run a cycle Refer to appropriate cycle description in SECTION 6 STERILIZER OPERATION later in this section of the manual WARNING BURN HAZARD Sterilizer rack shelves and loading car will be hot after cycle ...

Page 68: ...ed cycle settings Important Applicable cycles have been validated to satisfy the requirements outlined in Table 1 and Table 2 If cycle parameters sterilize time dry time temperature other than those listed are required it is the responsibility of the healthcare facility to consult and follow the device manufacturer s written instructions NOTE Contact STERIS Corporation for information on a wide ra...

Page 69: ...6 9 Sterilizer Operation Operator Manual P129394 020 Healthcare Capital Equipment ...

Page 70: ...eight per tray 25 lb 11 3 kg ST 8 2008 Prevac Cycle 275 F 135 C 3 Minutes 30 Minutes Double wrapped instrument trays porous and non porous loads maximum weight per tray 25 lb 11 3 kg ST 8 2008 Immediate Use Prevac Cycle 270 F 132 C 4 Minutes 1 Minute Unwrapped instrument tray containing a single instrument or multiple unwrapped instrument trays porous and non porous loads maximum weight per tray 2...

Page 71: ...rature rating for the cycle 270 F 132 C 1 4 Four vacuum pulses 275 F 135 C 1 3 Three vacuum pulses CHARGE Chamber is charged with steam Start of steam charge is printed STERILIZE Start of sterilize exposure is printed when the chamber reaches sterilization temperature Chamber temperature is printed every minute FAST EXHAUST Start of exhaust is printed and chamber is exhausted to 4 psig 0 28 bar DR...

Page 72: ... 12 P129394 020 Operator Manual Sterilizer Operation Figure 6 6 Typical Prevacuum Cycle Printouts 270 F 132 C Prevac Full Load Fabric Packs Cycle Printout 270 F 132 C Prevac Immediate Use Cycle Printout ...

Page 73: ...6 13 Sterilizer Operation Operator Manual P129394 020 Healthcare Capital Equipment ...

Page 74: ...nute Unwrapped instrument tray containing a single instrument or multiple unwrapped instrument trays non porous load maximum weight per tray 25 lb 11 3 kg ST 8 2008 Immediate Use Gravity Cycle 270 F 132 C 10 Minutes 1 Minute ST 8 2008 Figure 6 7 Gravity Cycle In Cycle Screens Cycle Selection Screen Purge Phase Sterilize Phase Exhaust Phase NOTE Countdown time on display is estimated timer self cor...

Page 75: ...charged with steam Start of steam charge is printed STERILIZE Start of sterilize exposure is printed when the chamber reaches sterilization temperature Chamber temperature is printed every minute FAST EXHAUST Start of exhaust is printed and chamber is exhausted to 4 psig DRY Start of dry is printed and display counts down dry time remaining AIR BREAK Chamber is returned to atmospheric pressure RET...

Page 76: ...6 16 P129394 020 Operator Manual Sterilizer Operation Figure 6 8 Typical Gravity Cycle Printout 270 F 132 C Gravity Immediate Use Cycle Printout ...

Page 77: ...6 17 Sterilizer Operation Operator Manual P129394 020 Healthcare Capital Equipment ...

Page 78: ...oad by Chamber Size Validation Standard Liquid 250 F 121 C 45 Min N A 16 x 16 15 x 1 000 mL Flasks 20 x 20 with Loading Car 32 x 1 000 mL Flasks with Rack and Shelves 28 x 1 000 mL Flasks ST 8 2008 The liquid cycle is for non patient contact use only Figure 6 9 Liquid Cycle In Cycle Screens Cycle Selection Screen Cycle Selection Screen Condition Phase Sterilize Phase Exhaust Phase NOTE Countdown t...

Page 79: ...OVAL Filtered air enters the chamber at the same time a vacuum is drawn to cool the load Chamber pressure is maintained between 1 and 5 inHg Phase continues for 10 minutes AIR BREAK Chamber is returned to atmospheric pressure RETRACT SEAL A vacuum is drawn on the seal retracting it from inner surface of door COMPLETE Complete tone sounds Cycle summary and end of cycle messages are printed 5 Unload...

Page 80: ...6 20 P129394 020 Operator Manual Sterilizer Operation Figure 6 10 Typical Printout of a Liquid Cycle ...

Page 81: ...ii for factory set qualified cycle settings Important Applicable cycles have been validated to satisfy the requirements outlined in Table 1 and Table 2 If cycle parameters sterilize time dry time temperature other than those listed are required it is the responsibility of the healthcare facility to consult and follow the device manufacturer s written instructions NOTE Contact your customer service...

Page 82: ... 2008 SFPP Cycle 270 F 132 C 4 Minutes 20 Minutes Fabric Packs ST 8 2008 SFPP Cycle 275 F 135 C 3 Minutes 30 Minutes Double wrapped instrument trays porous and non porous loads Maximum weight per tray 25 lb 11 3 kg ST 8 2008 Dry time can be reduced to 5 minutes for a single fabric pack Figure 6 11 SFPP Cycle In Cycle Screens Cycle Selection Screen Cycle Selection Screen Condition Phase Sterilize P...

Page 83: ...am Start of steam charge is printed STERILIZE Start of sterilize exposure is printed when the chamber reaches sterilization temperature Chamber temperature is printed every minute FAST EXHAUST Start of exhaust is printed and chamber is exhausted to 4 psig DRY Start of dry is printed and display counts down dry time remaining AIR BREAK Chamber is returned to atmospheric pressure RETRACT SEAL A vacu...

Page 84: ...0 Operator Manual Sterilizer Operation Figure 6 12 Typical Printouts 270 F SFPP and 275 F SFPP Cycles 270 F 132 C SFPP Full Load Fabric Packs Cycle Printout 275 F 135 C SFPP Full Load Instruments Trays Cycle Printout ...

Page 85: ...N A N A ST 8 2008 Not adjustable Figure 6 13 Test Cycles Start Cycle Screens Cycle Selection Screen Test Cycle Screen Press the More Cycles button to advance to Test Cycles screen Press the desired test cycle button Warm Up Cycle Air Removal Test or Leak Test to run the required cycle ACCESSING TEST CYCLES STATUS DOOR OPEN 1 TEMP 0 F PRESS 0 psig PRESS MORE CYCLES FOR GRAVITY TEST 1 SHORT 2 FABRIC...

Page 86: ... is has run one or more cycles If the sterilizer has not run any cycles prior to the Bowie Dick test run the Warm up cycle as follows If the chamber has already been warmed by previous cycle operation proceed to Step 4 a The operator is prompted to close the chamber door if it is open Once closed the door seals automatically b During warm up the sterilizer automatically runs a cycle with 3 minute ...

Page 87: ...complete a Open the chamber door b Unload the air removal Bowie Dick test pack c Forward the exposed air removal Bowie Dick indicator to the appropriate personnel for examination Important Any indication of a malfunction must be reported to the supervisor Sterilizer must not be used again until approved by supervisor The cause of the malfunction must be determined and resolved prior to operating t...

Page 88: ...6 28 P129394 020 Operator Manual Sterilizer Operation Figure 6 14 Daily Air Removal Bowie Dick Test Cycle Printout Daily Air Removal Test Dart Cycle Printout ...

Page 89: ...s to complete ACTIVATE SEAL Steam enters the door seal pressing it against inside surface of door PURGE Chamber is purged with steam Start of condition is printed STEAM FLUSH SFPP PULSE 1 through PULSE 3 Pressure point is printed and pressure pulse is repeated CHARGE Chamber is charged with steam Start of steam charge is printed STERILIZE Start of sterilize exposure is printed when the chamber rea...

Page 90: ...6 30 P129394 020 Operator Manual Sterilizer Operation Figure 6 15 Typical Printout of a Leak Test Cycle Leak Test Cycle Printout ...

Page 91: ...ne changes to COMPLETE When complete the sterilizer chamber can be unloaded following the instructions earlier in this section of the manual WARNING BURN HAZARD Sterilizer rack shelves and loading car will be hot after cycle is run Always wear protective gloves and apron when removing a processed load Protective gloves and apron must be worn when reloading sterilizer following the previous operati...

Page 92: ... 16 Cycle Graph 270 F or 275 F Prevacuum and Air Removal Bowie Dick Cycles Indicates Key Cycle Transition Points That Are Printed During Cycle Pressure Time Pulses NOTE 270 F 132 C prevac cycle runs four conditioning vacuum pulses 275 F 135 C prevac runs three conditioning vacuum pulses Purge Charge Fast Exh Dry Air Break Retract Seals Complete Exhaust Sterilize Conditioning Activate Seal s ...

Page 93: ...ycle Pressure Purge Charge Fast Exh Vac Dry Air Break Retract Seals Complete Vacuum Dry phase only occurs when Dry Time is set to 0 Exhaust Sterilize Conditioning Activate Seal s Indicates Key Cycle Transition Points That Are Printed During Cycle Time Pressure Pulse 1 Purge Evacuate Stabil izing Air Break Retract Seals Complete Leak Testing Conditioning Activate Seal s Pulse 2 Charge Leak Test ...

Page 94: ...d During Cycle Time Pressure Conditioning Air Displacement Purge Charge Activate Seal s Sterilize Exhaust Retract Seal s Complete 3 Pulses Steam Flushes Fast Exhaust Air Break Dry Exhaust Flush Pulse Exhaust Flush Indicates Key Cycle Transition Points That Are Printed During Cycle Conditioning Purge Charge Activate Seal s Sterilize Slow Exhaust Retract Seal s Complete Pressure Vapor Removal Time A...

Page 95: ...Table 3 page ii and v The Change Cycle Values procedure can be used to adjust the following values Name The user can select between 3 to 4 factory programmed names depending on sterilizer configuration and can create up to two user defined cycle names Sterilization Exposure Temperature Exposure temperatures can be adjusted but within limits Refer to Table 7 1 for details Sterilization Exposure Tim...

Page 96: ...he control advances to screen 11 showing basic cycle information 5 Select the value to change NAME name of the cycle TEMP sterilize exposure temperature STER sterilize exposure time or DRY drying phase time Screen 11 can also be used to enter up to two CUSTOM cycles names 6 Press the touch screen touchpad the display advances to a screen for making these changes 7 Once all selections have been mad...

Page 97: ... a new value Left and right arrow touchpads can be used to cursor through an existing value DRY For changing the dry time NOTE To return cycle values to original state press RESTORE ALL DEFAULT VALUES This touchpad can also be used to cancel previous changes to a cycle LIQUID SFPP GRAVITY PREVAC SELECT NEW CYCLE NAME OR SELECT ANOTHER ITEM TO CHANGE 12 TEMP STER DRY NAME NONE EXIT TEMP STER DRY NA...

Page 98: ...0 274 F 132 134 C are limited to a four minute minimum sterilize time Prevac or SFPP cycles set to a temperature of 275 F 135 C are limited to a three minute minimum sterilize time Dry Time 270 F 132 C Prevac 4 99 minutes 270 274 F 132 134 C 1 99 minutes 275 F 135 C Prevac 3 99 minutes 275 F 135 C 270 F 132 C SFPP 4 99 minutes 270 274 F 132 134 C 0 99 minutes 275 F 135 C SFPP 3 99 minutes 275 F 13...

Page 99: ... Part 1 of 3 IMPORTANT Applicable cycles have been validated to satisfy the requirements outlined in Table 1 and Table 2 If cycle parameters sterilize time dry time temperature other than those listed are required it is the responsibility of the healthcare facility to consult and follow the device manufacturer s written instructions 7 2 ...

Page 100: ... pressed 7 3 If cycle is locked out Access Code Screen 37 appears The access code must be entered using the following procedure If the code is known enter it using the touch screen key pad Once the entire four digit code has been entered press the ENTER touch screen pad The access code digits are not displayed If the code is not known press MENU to return to the previous screen A printout of cycle...

Page 101: ...ss NAME touchpad to change cycle type Press TEMP touchpad change sterilization exposure temperature Press STER touchpad to change Sterilization Exposure Time Press DRY touchpad to change Drying Time 7 2 TEMP STER or DRY values can be entered or changed using the numeric touchpads Arrow touchpads move the cursor position for editing left or right ...

Page 102: ...ogramming 7 3 Entering Custom Cycle Names Figure 7 4 Enter or Change Custom Cycle Names CUSTOM NAMES are used to add descriptive text to the cycle selection buttons CLEAR button erases all text entered and buttons move the cursor position left or right EXAMPLE ...

Page 103: ...n pad This brings the MENU screen 2 onto the display 2 At screen 2 press CHANGE TIME DATE The display advances to screen 31 3 Make adjustments using procedures shown below NOTE On the control display the selected option is always shown as a black touchpad with white lettering TIME At screen 31 the TIME touchpad is black Enter correct time using keypad a Press the number touchpads to enter hours an...

Page 104: ... and screen 32 appears with the DATE touchpad in black Enter the correct date using the touch screen keypad a Press the number touchpads to enter day month and year For example 15 June 2011 would be entered by pressing 1 5 0 6 1 1 This example uses D M Y date format The format can be changed to M D Y or other formats Refer to SECTION 7 16 DATE FORMAT ON PAGE 7 34 ENTER TIME OR SELECT DATE TO SET T...

Page 105: ... at the bottom of the screen to backup to an incorrect number c Once the correct date has been entered press EXIT to return to screen 1 NOTE The day of the week is automatically understood and registered by the control ENTER TIME OR SELECT DATE TO SET DATE 00 00 00 WEDNESDAY ENTER TIME OR SELECT DATE TO SET TIME 00 00 32 TIME DATE 1 2 3 AM 4 5 6 PM 7 8 9 EXIT 0 ...

Page 106: ...ur before sterilizer s scheduled restart time Generator Flush Control If the sterilizer is equipped with an integral steam generator use Generator Flush Control to set up two options FLUSH TIME AND FLUSH DURATION Language This option can be used to select one of three factory set languages as the default for displays and printouts Available languages are ENGLISH SPANISH and FRENCH A BILINGUAL opti...

Page 107: ...ss the touchpad labeled ACCESS CODE The screen changes to the Access Code screen 21 3 If the Access Code option is already turned on the highlighted touchpad is CODE REQUIRED If the Access Code is not on highlighted touchpad is CODE NOT REQUIRED Additionally if the Access Code is not enabled the LOCKOUT touchpad does not appear on screen 20 Press appropriate touchpad if you want to change Access C...

Page 108: ...ification If codes do not match the control returns to screen 21 c If codes match control returns to Change Machine Setup screen 20 CODE NOT REQUIRED If the CODE NOT REQUIRED touchpad is highlighted and an Access Code is not required press the EXIT touchpad The display returns to the Change Machine Setup screen 20 SELECT GENERAL ACCESS CODE OPTION SELECT CODE REQUIRED TO SET CODE VALUE 21 CODE REQ...

Page 109: ...display 1 If the code is known enter it using the touch screen key pad Once the entire four digit code has been entered press the ENTER touchpad The access code digits are not displayed 2 If the code is not known press CANCEL to return to the previous screen 7 7 Lockout This function is used to protect selected setup options from changes by unauthorized personnel Any functions selected for lockout...

Page 110: ... the setup options to be locked out see list to left The small lock graphic in the upper left corner of the screen changes to reflect the lockout status 4 To select individual cycles to lock out press CYCLE VALUES touchpad The display changes to the Select Cycles to Lockout screen 22 SELECT MACHINE SETUP TO REVIEW OR CHANGE 20 LOCKOUT ACCESS CODE UTILITIES CONTROL LANGUAGE MACHINE NUMBER TIME FORM...

Page 111: ...er utilities can be set up for manual or automatic control Manual Utilities control is the default setting Change settings at the operating end control panel as follows 1 Press MENU touchpad at MAIN STATUS screen 1 Display advances to Menu screen 2 2 Press CHANGE MACHINE SETUP to advance display to Machine Setup screen 20 SELECT CYCLE TO LOCKOUT 1 PREVAC 273F 3M 20M 2 PREVAC 273F 3M 20M 3 PREVAC 2...

Page 112: ...CTION 7 9 GENERATOR FLUSH CONTROL ON PAGE 7 25 for more information RUN GENERATOR FLUSH Runs generator flush cycle immediately Refer to section SECTION 5 13 DAILY GENERATOR FLUSH CYCLE ON PAGE 5 21 for more information FLUSH HISTORY Previous seven flush cycles can be viewed or printed NOTE Electrical power to sterilizer control box is not controlled through utilities control Power switch on contro...

Page 113: ...ilizer should be placed in STANDBY mode from main menu 1 prior to scheduled time for flush cycle to initiate After flush cycle is complete sterilizer returns to standby mode If not in STANDBY the sterilizer will attempt to run a flush cycle at the scheduled time If unable to run flush cycle at the scheduled time due to a cycle in process a flush cycle occurs after the current cycle ends If the flu...

Page 114: ...cle when the scheduled shut down time arrives the cycle completes before sterilizer shuts down utilities Sterilizer can be manually restarted at any time during auto utility shutdown by pressing ON at UTILITIES SHUTDOWN screen 40 If a cycle is not selected within 30 minutes auto utilities shutdown resumes SELECT UTILITIES CONTROL OPTION SELECT AUTOMATIC TO SET AUTOMATIC TIMES SELECT GENERATOR FLUS...

Page 115: ...e is missed or aborted select RUN GENERATOR FLUSH at any time to complete the daily flush RUN GENERATOR FLUSH can be selected whether the generator is charged or not Set Up Automatic Utilities Control screen 34 1 Select AUTOMATIC UTILITES CONTROL touchpad to advance to screen 34 A range of days can be selected by pressing either WEEKDAYS MON FRI or WEEKEND SAT SUN Select a specific day or a range ...

Page 116: ...terilizer is to be used five days a week Monday through Friday daily start up time at 7 00 AM and shutdown at 6 30 PM The sterilizer is also used Saturday 6 00 AM to 12 00 PM Sterilizer is not used Sunday Steps to complete example schedule 1 At screen 20 press UTILITIES CONTROL 2 At screen 39 press AUTOMATIC UTILITIES CONTROL 3 At screen 34 press WEEKDAYS 4 Enter 07 00 AM restart time as 0 7 0 0 A...

Page 117: ...t at all Sunday Example 2 Some sterilizers are used multiple days without being shut down This sterilizer is to be used Monday morning at 5 00 AM and not shut off until 8 00 PM Friday Sterilizer is not used Saturday or Sunday Steps to complete example schedule 1 At screen 20 press UTILITIES CONTROL 2 At screen 39 press AUTOMATIC UTILITIES CONTROL 3 At screen 34 press WEEKDAYS 4 Enter restart time ...

Page 118: ...ns 4 00 AM Monday only and not at all on Tuesday through Sunday RUN GENERATOR FLUSH should be selected at any time during the day to complete the daily flush for Tuesday through Friday The RUN GENERATOR FLUSH can be run whether the generator is charged or not Example 3 Some sterilizers operate exclusively on the night shift This sterilizer is used Sunday through Friday evenings starting at 11 00 P...

Page 119: ... A flush can be initiated any time by pressing the Run Generator Flush button at the Utility Control screen 7 9 1 Set up Generator Flush When Manual Utilities Control Enabled Manual Utilities Control must be highlighted on Utility Control screen 39 Important Flush cycle occurs at scheduled time whether sterilizer is at STANDBY or MAIN MENU If in cycle flush occurs when cycle is completed Remember ...

Page 120: ...AM or PM 3 Select FLUSH DURATION Use keypad to enter duration of flush phase 5 10 or 15 minutes 4 Press EXIT to return to the UTILITIES CONTROL screen 39 Press EXIT to return to the CHANGE MACHINE SETUP screen 20 Press EXIT to return to menu 2 Press EXIT once more to update flash memory and return to main screen 1 Figure 7 9 Generator Flush Time and Duration Screens when Manual Utilities Enabled ...

Page 121: ...s Control is enabled Screen 49 allows user to set up duration time Default duration time is 10 minutes 1 Generator flush time is always automatic when AUTO UTILITY SHUTDOWN is enabled Flush automatically begins one hour before restart time scheduled in auto utility shutdown See SECTION 7 8 2 AUTOMATIC UTILITIES CONTROL ON PAGE 7 19 for information on setting restart time of Automatic Utilities Con...

Page 122: ... pad on the Change Machine Setup screen 20 The display advances to show Select Language screen 28 3 Select the appropriate language by pressing one of the touch screen pads in the middle of the display 4 The BILINGUAL option can be selected to allow operators to toggle between English and the other language available without entering Change Machine Setup The other language touchpad appears on the ...

Page 123: ...tion can be used as the machine number Ensure however that each machine number used is different from any others that have been used in the facility NOTE Dash and space touchpads have been provided 4 Once the machine number has been entered press EXIT to return to screen 20 7 12 Time Format This setup option allows the operator to select the format for the time The format determines how hours and ...

Page 124: ... the sterilizer provides during processing Two options are available The default FULL format provides status prints at each transition point in the cycle plus additional status at interval points during each phase of the cycle The optional CONDENSED format provides a cycle summary and complete time without additional status prints at cycle interval points The CONDENSED format can be used to conser...

Page 125: ...f the display FULL This is the standard format providing a status print for each phase of the cycle and status prints at the predetermined Print Interval CONDENSED This format provides an abbreviated cycle status printout 4 Once the appropriate format is selected press EXIT to return to the Change Machine Setup screen 20 SELECT PRINT FORMAT FULL CONDENSED EXIT 29 ...

Page 126: ...7 32 P129394 020 Operator Manual Cycle and Control Value Programming Figure 7 11 Sample Full and Condensed Printouts Full Printout Typical Condensed Printout Typical ...

Page 127: ...en 24 3 Select the signal you wish to adjust by pressing the appropriate touchpad in the upper half of the screen TOUCHPAD This is the signal sounded by the control whenever anyone presses a touchpad END OF CYCLE This is the signal heard when a cycle is complete ALARM This is a two tone signal heard during abnormal conditions a Each audible signal can be adjusted for volume 1 First press the touch...

Page 128: ...opriate touchpad for the type of unit or units required Once all units have been selected press EXIT to return to screen 20 7 16 Date Format This setup option allows the operator to select the format for the date The format determines the order in which the month day and year are displayed There are three options and the option selected is a matter of either preference or geographical location 1 T...

Page 129: ...to select whether the sterilizer automatically supplies an extra printout at the end of the cycle There are two options the option selected depends on operating requirements in your facility The default setting is NO DUPLICATE PRINT NOTE This method is not for printing the last cycle run only a To access this utility press MENU touchpad from the main status screen 1 at the operating end of the ste...

Page 130: ... format has been selected or if format does not need to be changed press EXIT to return to the CHANGE MACHINE SETUP screen 20 2 Print Last Cycle The control provides two ways of printing the last cycle run a Print the Last Cycle Select MENU from the main screen 0 then press PRINT LAST CYCLE touchpad on screen 2 b After Cycle is Complete Before opening chamber door press PRINT LAST CYCLE touchpad a...

Page 131: ...ment use may increase the number of required inspections Operator inspections and procedures must be made on a daily weekly or as needed basis as indicated in SECTION 8 ROUTINE MAINTENANCE WARNING PERSONAL INJURY HAZARD and or EQUIPMENT DAMAGE HAZARD Regularly scheduled preventive maintenance is required for safe and reliable operation of this equipment Contact your STERIS Service Representative t...

Page 132: ...the drain strainer from the drain in the bottom of the chamber as shown in Figure 8 1 2 Remove any obvious debris from the strainer If necessary clear the screen in the strainer using a brush wire or similar tool 3 Once it has been cleared of obvious debris reverse flush the strainer under running water 4 Replace the strainer in the chamber drain Figure 8 1 Remove Chamber Drain Strainer Typical WA...

Page 133: ...BULLETIN STERIS STEAM STERILIZATION CLEANING PROCEDURE M2826 available directly from STERIS Due to differences in water quality steam quality frequency of use and boiler additives no specific frequency interval is recommended for chamber cleaning Operators must determine appropriate cleaning interval based on the local water conditions and chamber appearance Chamber cleaning should be performed Wh...

Page 134: ...ing of the chamber on a yearly basis or as local conditions require is suggested to maintain appearance of the chamber interior Contact STERIS for information regarding this service CAUTION POSSIBLE EQUIPMENT DAMAGE Lifting the chamber float switch when cleaning the chamber may cause the sterilizer control to initiate a Chamber Flooded alarm If this alarm condition occurs the operator must turn th...

Page 135: ...4 1 Check Printer Paper Roll Recommended Frequency Inspect printer paper roll every day The printer paper roll should be changed whenever colored stripe is visible on one or both edges of printout paper If the paper roll must be changed follow the steps below 1 Press on top of printer outer door and release to open Refer to Figure 8 2 and Figure 8 3 Figure 8 2 Open Printer Door Press and Release H...

Page 136: ...nserting fingers in cavity and lifting slightly to pull spool out 4 Remove used paper from spindle 5 Open inner printer door and remove old paper roll gently pulling any remaining tape out of printer roller mechanism Figure 8 3 Printer Components Printer Door Open Take Up Spool Printer Door Inner Printer Door Paper Feed Button Figure 8 4 Tear Printer Paper ...

Page 137: ...94 020 6 Insert new paper roll Refer to Figure 8 5 7 Insert end of paper into printer roller mechanism just behind ink cartridge Figure 8 5 Insert New Paper Roll Figure 8 6 Insert Paper Behind Printer Ink Cartridge Feed Paper Into Roller Mechanism ...

Page 138: ...gs out of printer Insert end of paper into slot of take up spool 10 Coil paper around take up spool until secure 11 Reinstall take up spool in bracket Manually roll up slack paper 12 Close printer door Figure 8 7 Press Paper Feed Button to Advance Paper Figure 8 8 Coil Paper onto Take Up Spool Figure 8 9 Reinstall Take Up Spool Advance Paper by Pressing Paper Feed Button Rotate Take Up Spool in Di...

Page 139: ...paper between take up spool and printer 2 Open access door then press on right end of ink cartridge until left end of cartridge pops out of the printer Refer to Figure 8 10 3 Slip cartridge off end of paper slip new cartridge over paper in the same way as before making sure paper slides between ink cartridge and ink ribbon 0 1 Figure 8 10 Remove Ink Cartridge From Printer Figure 8 11 Slip Cartridg...

Page 140: ...ribbon not recyclable Water filters not recyclable Waste water 57 L min 15 gal min Entire sterilizer end of life Contact STERIS Corporation for disposal or recycling recommendations 8 6 Recommended Spare Parts To order replacement parts and or supply products proceed as follows 1 Include the description and part order number as listed in Table 8 2 2 Include the model and serial numbers of your ste...

Page 141: ...e Chamber OE and NOE PG2 P007871051 Gauge Jacket PR1 P136809750 Pressure Regulator 3 8 NPT P754359001 Kit Repair PS1 PS2 P150829896 Pressure Switch Door Seal PT1 P136809787 Pressure Transducer RTD1 RTD4 P093922107 Temperature Probe Dual Element Chamber Recorder RTD2 RTD3 P093911351 Temperature Probe Single Element GRTO RV1 P093918511 Safety Valve 1 2 NPT 50 PSIG S1 P093911329 Valve Solenoid P76432...

Page 142: ...8 12 P129394 020 Operator Manual Routine Maintenance Healthcare Capital Equipment ...

Page 143: ...ssing PAPER FEED advances the printer paper up by one line Pressing SERVICE HELP advances display to the corresponding service information screen This screen provides the qualified service technician with possible causes and advanced corrective actions for that alarm condition WARNING PERSONAL INJURY AND OR EQUIPMENT DAMAGE HAZARD Repairs and adjustments to this equipment must be made only by full...

Page 144: ...arm Description Screen with Operator Instructions 9 2 1 Too Long To Seal Door Occurs if door seal does not reach 5 psig within allotted time Screen with Service Instructions STATUS ALARM 227 TOO LONG IN SEAL DOOR CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CHECK STEAM SUPPLY VALVE IF CLOSED OPEN VALVE AND RESELECT CYCLE 3 IF ALARM RECUR...

Page 145: ...RVICE SERVICE HELP ABORT SILENCE ALARM STATUS SERVICE INFORMATION 204 TOO LONG IN EVACUATION CHAMBER DID NOT REACH REQUIRED VACUUM LEVEL WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 LEAK IN PLUMBING REPAIR RUN A LEAK TEST 2 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE PERSON EXIT PAPER FEED ABORT STATUS SERVICE INFORMATION 203 TOO LONG IN EVACUATION CHAMBER DID NOT REACH REQUI...

Page 146: ...ERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CHECK STEAM SUPPLY VALVE IF CLOSED OPEN VALVE 3 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 206 TOO LONG IN CHARGE CHAMBER DID NOT REACH STERILIZE TEMPERATURE WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 STEAM PRESSURE LESS THAN 50 PSIG CHECK STEAM SUPPLY PIPING 2 STEAM REGULATOR MALFUNCTION REPAI...

Page 147: ...OOR UNSEALED CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE EXHAUST OR AIR BREAK CHAMBER TO ATMOSPHERIC PRESSURE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 208 DOOR UNSEALED STEAM PRESSURE IN DOOR SEAL BELOW 10 PSIG CAUSES AND CORRECTIONS 1 SEAL PRESSURE SWITCH MALFUNCTION CHECK PS1 PS2 CONNE...

Page 148: ...OL FAILURE CHECK CONTROL BOARD POWER STATUS LEDs REPLACE 146659 065 CONTROL BOARD RECALIBRATE PAPER FEED EXIT SERVICE MODE STATUS ALARM 223 UNDER STERILIZE TEMPERATURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY RESTART STERILIZE TIME AND CONTINUE CYCLE AFTER SET TEMP IS REACHED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM P...

Page 149: ... drain probe read more than 1 F 0 5 C apart STATUS ALARM 235 OVER STERILIZE TEMPERATURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY CONTINUE CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS ABORT CYCLE AND CALL SERVICE SERVICE HELP ABORT SILENCE ALARM STATUS SERVICE INFORMATION 236 OVER STERILIZE TEMPERATURE STERILIZE TEMPERATURE IS ABOVE SETPOINT BY MORE THAN PRESCRIBED AMO...

Page 150: ...ONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 201 TOO LONG IN EXHAUST CHAMBER DID NOT EXHAUST TO ATMOSPHERIC PRESSURE WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 CHAMBER DRAIN STRAINER PLUGGED CLEAN 2 SOLENOID VALVE MALFUNCTION REPAIR S03 3 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE PERSON PA...

Page 151: ...4 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE PERSON PAPER FEED EXIT CLEAR ALARM STATUS ALARM 243 EXHAUST RATE TOO SLOW CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY TRY TO COMPLETE CYCLE TRY TO EXHAUST CHAMBER ACCORDING TO OPTIMAL COOLING RATE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS...

Page 152: ...ERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 226 TOO LONG IN AIR BREAK CHAMBER DID NOT AIR BREAK VACUUM TO 1 PSIG WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 AIR INLET FILTER PLUGGED REPAIR 2 SOLENOID VALVE MALFUNCTION REPAIR S01 3 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE P...

Page 153: ...K SEAL STEAM CHECK SEAL EXHAUST 3 SOLENOID VALVE MALFUNCTION REPAIR S37 S38 REPAIR S35 S36 PAPER FEED EXIT STATUS ALARM 294 GENERATOR DRAIN OPEN FAILURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 295 GENERATOR DRAIN OPEN FAILURE GENERATOR DRAIN V...

Page 154: ...LENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 297 GENERATOR DRAIN CLOSE FAILURE GENERATOR DRAIN VALVE WILL NOT CLOSE IN ONE MINUTE CAUSES AND CORRECTIONS 1 GENERATOR DRAIN CLOSE SWITCH FAILURE READJUST GDC SWITCH REPAIR GDC SWITCH REPAIR WIRING 2 GENERATOR DRAIN VALVE STUCK CLOSED REPAIR GENERATOR DRAIN VALVE REPAIR WIRING 3 GENERATOR DRAI...

Page 155: ... Continued STATUS SERVICE INFORMATION 299 GENERATOR DEPRESSURIZE FAILURE GENERATOR DID NOT DEPRESSURIZE WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 GENERATOR DEPRESSURIZE SWITCH FAILURE READJUST GPS SWITCH REPAIR GPS SWITCH REPAIR WIRING 2 JACKET PROBE FAILURE REPLACE RECALIBRATE 3 GENERATOR HEATER FAILURE REPAIR GHT PAPER FEED EXIT ...

Page 156: ...CKET 00 0 F STERILIZER WILL REMAIN IN ALARM CONDITION UNTIL JACKET TEMP IS REACHED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CHECK STEAM SUPPLY VALVE IF CLOSED OPEN VALVE 3 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 232 TOO LONG IN JACKET CHARGE JACKET DID NOT REACH REQUIRED TEMPERATURE WITHIN ALLOTTED TIME CAUSES AND CORRECTIONS 1 STEA...

Page 157: ...TOMATICALLY EXHAUST CHAMBER TO ATMOSPHERIC PRESSURE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 222 PRESSURE IN CHAMBER 2 PSIG PRESSURE SENSED IN CHAMBER WHEN NOT IN CYCLE CAUSES AND CORRECTIONS 1 SOLENOID VALVE MALFUNCTION REPAIR S02 2 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SER...

Page 158: ...TROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE PERSON 3 LOOSE CONNECTION IN TRANSDUCER WIRING REPAIR 4 TRANSDUCER FAILED REPLACE RECALIBRATE PAPER FEED EXIT CLEAR ALARM STATUS ALARM 239 TOO LONG TO CLOSE DOOR CHAMBER 00 0 F 0 0 psig STERILIZER WILL REMAIN IN ALARM CONDITION UNTIL DOOR IS CLOSED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CHECK DOOR FOR OBSTRUCTION REMOVE OBSTRUCTION AND...

Page 159: ...AMBER 00 0 F 0 0 psig STERILIZER WILL REMAIN IN ALARM CONDITION UNTIL DOOR IS OPENED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 246 TOO LONG TO OPEN DOOR DOOR SWITCH DID NOT OPEN IN ALLOTTED TIME CAUSES AND CORRECTIONS 1 DOOR SWITCH MALFUNCTION CHECK LS1 LS2 CONNECTIONS READJUST LS1 LS2 2 POWER DOOR MECHANISM F...

Page 160: ...LURE CHAMBER 00 0 F 0 0 psig LOAD 000 0 C STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE STATUS PRINT SILENCE ALARM PAPER FEED SERVICE HELP STATUS SERVICE INFORMATION 260 I O COMMUNICATION FAILURE THE CONTROL BOARD FAILS TO COMMUNICATE TO BOARD 1 2 OR 3 IN CONTROL BOX CAUSES AND CORRECTIONS 1 LOOSE CONNECTION BETWEEN BOARD 1 2 3 AND CONNECTION BOARD ...

Page 161: ...RT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE STATUS PRINT SILENCE ALARM PAPER FEED SERVICE HELP STATUS SERVICE INFORMATION 261 INPUT OUTPUT BOARD 1 FAILURE SWITCHED NEUTRAL RELAY CIRCUIT FAILED OPERATIONAL CONTACT TEST CAUSES AND CORRECTIONS 1 WET S02 S35 OR S36 SOLENOID VALVE CONNECTION DRY AND REPAIR CONNECTIONS 2 SHORTED MACHINE WIRING CABLE REPLACE CABLE 3 FAILED I O BOARD 1 R...

Page 162: ...Analog to Digital Board on the main control circuit board fails STATUS ALARM 277 ROM FAILURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE STATUS PRINT SILENCE ALARM PAPER FEED STATUS ALARM 278 RAM FAILURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE ST...

Page 163: ...oard Overtemp Failure Occurs if temperature of the main control board exceeds acceptable environmental conditions STATUS ALARM 280 BOARD OVERTEMP FAILURE CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE STATUS PRINT SILENCE ALARM PAPER FEED ...

Page 164: ...209 WATER IN CHAMBER CHAMBER 00 0 F 0 0 psig WARNING BURN HAZARD CHAMBER MAY BE FILLED WITH STEAM CONDENSATE OPERAT0R INSTRUCTIONS 1 DO NOT OPEN DOOR 2 SILENCE ALARM 3 CALL SERVICE IMMEDIATELY SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 210 WATER IN CHAMBER EXCESS WATER SENSED IN CHAMBER WARNING BURN HAZARD CAUSES AND CORRECTIONS 1 JACKET STRAINER PLUGGED CLEAN 2 ...

Page 165: ...CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 212 CHAMBER TEMPERATURE PROBE FAILURE RTD PROBE CT OUTPUT IS OUTSIDE NORMAL RANGE CAUSES AND CORRECTIONS 1 LOOSE CONNECTION IN PROBE WIRING REPAIR 2 PROBE FAILED REPAIR RECALIBRATE 3 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QUALIFIED SERVICE PERSON 4 MAIN C...

Page 166: ...N RECALIBRATE CONTACT QUALIFIED SERVICE PERSON 4 MAIN CONTROL FAILURE CHECK CONTROL BOARD POWER STATUS LEDs REPLACE CONTROL BOARD RECALIBRATE PAPER FEED EXIT STATUS ALARM 215 WASTE TEMPERATURE PROBE FAILURE CHAMBER 00 0 F 0 0 psig WASTE 00 0 F STERILIZER WILL PREVENT NEW CYCLE FROM BEING STARTED UNTIL ALARM IS CLEARED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT S...

Page 167: ...ER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 272 RECORDER TEMPERATURE PROBE FAILURE RTD PROBE RTD4 OUTPUT IS OUTSIDE NORMAL RANGE CAUSES AND CORRECTIONS 1 LOOSE CONNECTION IN PROBE WIRING REPAIR 2 PROBE FAILED REPAIR RECALIBRATE 3 CONTROL OUT OF CALIBRATION RECALIBRATE CONTACT QU...

Page 168: ...g STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 218 CHAMBER PRESSURE TRANSDUCER FAIL URE TRANSDUCER CP OUTPUT VOLTAGE IS OUTSIDE NORMAL RANGE CAUSES AND CORRECTIONS 1 LOOSE CONNECTION IN TRANSDUCER WIRING REPAIR 2 TRANSDUCER FAILED REPAIR RECALIBRATE 3 CONTROL OUT OF CALIBRATION RECALIBR...

Page 169: ...oor B seal STATUS ALARM 286 DOOR A SEAL SWITCH MALFUNCTION CHAMBER 00 0 F 0 0 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 287 DOOR A SEAL SWITCH MALFUNCTION SEAL SWITCH CLOSED OUT OF CYCLE CAUSES AND CORRECTIONS 1 SEAL SWITCH MALFUNCTION CHECK PS1 FOR FAILED CLOSED ...

Page 170: ...ROM BEING STARTED UNTIL ALARM IS CLEARED OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 IF ALARM RECURS CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 234 GENERATOR DRAIN TEMP PROBE FAILURE CHAMBER EXHAUSTED SLOWER THAN THE EXPECTED RATE CAUSES AND CORRECTIONS 1 LOOSE CONNECTION IN PROBE WIRING REPLACE RECALIBRATE 2 PROBE FAILED REPAIR S03 3 CONTROL OUT OF CALI...

Page 171: ... LS2 2 SEAL PRESSURE SWITCH MALFUNCTION READJUST PS1 PS2 REPAIR PS1 PS2 PAPER FEED EXIT STATUS ALARM 247 GENERATOR DRAIN SWITCH FAILURE CHAMBER 104 3 F 4 5 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 248 GENERATOR DRAIN SWITCH FAILURE GENERATOR DRAIN VALVE SWITCHES ...

Page 172: ...TIONS 1 SILENCE ALARM 2 CORRECT THE CAUSE FOR THE EMERGENCY STOP 3 INSERT KEY AND TURN COUNTERCLOCKWISE TO RESET THE EMERGENCY STOP SWITCH 4 WAIT FOR THE CYCLE TO ABORT 5 RESTART THE CYCLE 6 CALL SERVICE IF ALARM DOES NOT CLEAR STATUS PRINT SILENCE ALARM PAPER FEED SERVICE HELP STATUS ALARM 274 EMERGENCY STOP SWITCH PRESSED NO 120VQC POWER IS DETECTED ON I O BOARD 1 CAUSES AND CORRECTIONS 1 EMERGE...

Page 173: ...HAMBER 104 3 F 5 4 psig STERILIZER WILL AUTOMATICALLY ABORT CYCLE OPERAT0R INSTRUCTIONS 1 SILENCE ALARM 2 CALL SERVICE SERVICE HELP STATUS PRINT SILENCE ALARM PAPER FEED STATUS SERVICE INFORMATION 250 GENERATOR PRESSURE SWITCH FAILURE GENERATOR PRESSURE SWITCH IS CLOSED WHEN JACKET IS CHARGED CAUSES AND CORRECTIONS 1 GENERATOR PRESSURE SWITCH FAILURE READJUST GPS SWITCH REPAIR GPS SWITCH REPAIR WI...

Page 174: ...9 32 P129394 020 Operator Manual Troubleshooting Healthcare Capital Equipment ...

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Summary of Contents for AMSCO 400 Series

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Steris AMSCO 400 Series, Operator'S Manual

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