eschmann SES2000 VAC LS3 Service Manual
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eschmann SES2000 VAC LS3 Service Manual

Vacuum autoclave
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E 2000 VAC(L 3)
VACUUM AUTOCLAVE
110258
ST-SM45g

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  • Page 1 E 2000 VAC(L 3) VACUUM AUTOCLAVE 110258 ST-SM45g...
  • Page 2 Serial Number Plate For further information visit www.eschmann.co.uk All correspondence relating to the after sales service of Eschmann Equipment to be addressed to : UK Customers Eschmann Equipment, Peter Road, Lancing, West Sussex BN15 8TJ, England. Tel: +44 (0) 1903 765040. Fax: +44 (0) 1903 875711.

  • Page 3: Table Of Contents

    SES 2000 Vac (LS3) AUTOCLAVE CONTENTS Page Page Contents Display board Technical data .. Special operating modes .. Engineering mode .. PART 1 INTRODUCTION Machine Set-up mode .. Set-up procedure .. General Setting the autoclave serial number Associated publications Setting the cycles in use.. Servicing ..

  • Page 4: Technical Data

    SES 2000 Vac (LS3) AUTOCLAVE TECHNICAL DATA (Standard Version) Electrical Data Dimensions Supply 230Vac at 50/60Hz Autoclave Width 460mm Length 650mm* Nominal Loading @ 230V - 2kW (8.7A) Height 360mm * Feet spaced to fit 600mm worktop Fuses Chassis F10A, 250V, (x2) Chamber Diameter 200mm...
  • Page 5 SES 2000 Vac (LS3) AUTOCLAVE TECHNICAL DATA (Long Version) Electrical Data Dimensions Supply 230Vac at 50/60Hz Autoclave Width 460mm Length 650mm* Nominal Loading @ 230V - 2.75kW (12A) Height 360mm * Feet spaced to fit 600mm worktop Fuses Chassis 15A, 250V, (x2) Chamber Diameter 200mm...

  • Page 6: Part 1 Introduction

    HTM2031). If ‘Sterile Water for Irrigation’ is not being used then Wrapped loads must be packed single-wrapped Eschmann strongly recommend the use of either distilled in L.M.G. SMITH BROTHERS “VIEW-PACK SELF water, deionized water, purified water or water treated SEAL” pouches, and sterilized using the special pouch by the reverse osmosis process.

  • Page 7: Part 2 Description

    SES 2000 Vac (LS3) AUTOCLAVE Part 2 PART 2 DESCRIPTION GENERAL (Fig. 1.1) Overheat Warning Lamp (Fig. 2.1b). Illumination of this lamp indicates that one of the two protective The autoclave is a portable steam unit heated by overheat cut-outs has operated. electric elements.
  • Page 8 Part 2 SES 2000 Vac (LS3) AUTOCLAVE PART 2 DESCRIPTION Water Filter. The water filter is fitted on the end of temperature of the heater surface exceeds 250°C. the water fill pipe in the water reservoir, and filters The cutout will remake electrically if the reset button the water entering the chamber.

  • Page 9: Operation Cycle

    'SES Vacuum LS3+cycle count+version of software', covering all the main languages spoken by which then changes to 'CLOSE THE DOOR'. Eschmann customers. Trimmer potentiometers for calibration of the If the door is closed, when power is switched on, the band heater and temperature/pressure display will show 'SES Vacuum LS3+cycle count+version channels.

  • Page 10: Fig.2.1A Autoclave Door Handle

    Part 2 SES 2000 Vac (LS3) AUTOCLAVE PART 2 DESCRIPTION 10 When the door is closed, with the power switched on, the appropriate selector button is pressed. In addition, this is sensed by the control board via the door interlock the display will show the appropriate programme switch.

  • Page 11: Display Messages

    Note: These error codes will generally require investigation autoclave will alternate between vacuum pulses and by an Eschmann trained engineer. If an error occurs filtered air inlet pulses to achieve optimum drying. during the cycle, the printer (if fitted) will print out the date...

  • Page 12: Overheating

    2.4 item 21) and restart the cycle as normal. If the fault closed at start of cycle. persists, switch off the autoclave and call an Eschmann Trained Engineer. Error 3 Water failed to enter chamber from reservoir.

  • Page 13: Fig.2.2 Autoclave: General Arrangement

    SES 2000 Vac (LS3) AUTOCLAVE Part 2 PART 2 DESCRIPTION Note: Some autoclaves will have a different pump to that shown. See maintenance section and parts list for pump replacement details. Process display window 10 Seal retaining rim 19 Front panel Control panel 11 Aerotight nut 20 Chassis...

  • Page 14: Fig.2.3 Autoclave: Pipes And Valves

    Part 2 SES 2000 Vac (LS3) AUTOCLAVE PART 2 DESCRIPTION Note: Some autoclaves will have a different pump to that shown. maintenance section and parts list pump replacement details. 'A' - Stud coupling nut 1 Vacuum valve Transducer coil 2 Steam bleed solenoid valve 10 Bacterial air filter 3 Water discharge valve 11 Reservoir float switch...

  • Page 15: Fig.2.4 Autoclave: Heater And Process Controls

    SES 2000 Vac (LS3) AUTOCLAVE Part 2 PART 2 DESCRIPTION Note: Some autoclaves will have a different pump to that shown. See maintenance section and parts list for pump replacement details. Heating element ON/OFF (O/I) switch 17 Transformer Mains fuses 10 Enclosure fan 18 Band heater Mains cable...

  • Page 16: Fig.2.5 Sterilizing System Schematic Diagram

    Part 2 SES 2000 Vac (LS3) AUTOCLAVE PART 2 DESCRIPTION Fig. 2.5 Sterilizing System Schematic Diagram Page 16 of 53 ST-SM45g...

  • Page 17: Part 3 Maintenance

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE FUSES (Fig. 2.4 ) The autoclave is protected by five fuses. Two mains supply fuses are fitted on the rear cover of the autoclave (Fig. 2.4 item 2). Three more fuses are fitted to the solid state relay board (Fig. 2.4. item 14). All fuse ratings are given in the TECHNICAL DATA section.
  • Page 18 Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Fault Possible Cause Remedy Door cannot be opened. Pressure door lock jammed. (a) Replace pressure door lock (para.10). To open chamber door, push pressure locking bolt back with a thin blade if spring faulty.
  • Page 19 SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE Fault Possible Cause Remedy Safety valve leaks (See also Dirt on valve seat. (a) With low pressure in chamber Fault (8)). carefully operate valve by hand (Warning: Beware of risk of scalds from escap- ing steam).
  • Page 20 Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Fault Possible Cause Remedy (12) Temperature differs from Recalibration required. (a) Recalibrate (para.57 onwards). measured value and display shows ‘Err 6, 7, 8, or 9’. Chamber temperature (b) Check sensor fitted sensor fault.
  • Page 21 SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE Fault Possible Cause Remedy (17) Overheat warning lamp Band heater overheat (a) Faulty band heater illuminates. thermostat operated. temperature sensor. Fit new band heater temperature sensor (para.30). Or, Solid state relay faulty. Replace solid state relay board (para.26).
  • Page 22 Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Fault Possible Cause Remedy (21) ERROR 11: Insufficient Previous cycle has left chamber (a) Reset chamber condition by second vacuum pulse. too hot and wet. running a 134°C unwrapped with drying cycle and leave door open for 5 minutes on completion.

  • Page 23: Parts Replacement And Adjustment

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE Fault Possible Cause Remedy (28) ERROR 17: Band heater not reaching setpoint Insufficient drying. temperature due to: (a) Calibration error. (a) Check calibration (para.57 onwards ). (b) Band heater sensor faulty. (b) Fit new sensor (para.30).

  • Page 24: Control Board

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Control Board (Fig. 2.4, item 19) b Remove steam bleed valve from solenoid elbow fitting. To remove control board, pull on handle provided and c Replacement is the reverse of the removal procedure. slide control board on tracks.

  • Page 25: Solenoid Door Lock

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE m Set microswitch actuator lever (5) by closing the Solenoid Valves (Fig. 2.3, items 1, 2 , 3, 4 and 5) door and inserting a 0.125mm shim between switch Valve Maintenance Note body and head of striker screw (6).

  • Page 26: Water-Fill Solenoid Valve Assembly

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE e Examine the valve assembly. If only the coil has Heating Element (Fig. 2.4, item 1) failed it can be renewed. The valve can be also 18 To replace heating element, proceed as follows: dismantled and cleaned, see Note preceding para a Remove electrical connections from element 15 and note:-...

  • Page 27: Condenser

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE b Release the plumbing connections from the vacuum c Refit the filter in reverse removal order. pump, noting the orientation of parts to ensure CAUTION correct connection. Avoid kinking the silicone tube. c Remove pipework from vacuum pump.

  • Page 28: Emc Board

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE b Release switch from the front panel by pressing the EMC Board (Fig. 2.4, item 5) retaining lugs in on each side and withdraw. 27 See 'Appendix C' before proceeding. Remove the EMC board as follows: c Replace new switch by reversing the above ensuring correct orientation (‘0’...

  • Page 29: Manual Reset Cut-Out

    Remove the reservoir lid and carefully pull the Reassemble the autoclave and test. If an abnormal flexible tubing and filter up and out through the noise is heard, obtain assistance from the Eschmann reservoir top without disconnecting the tube from After Sales Service Department (details inside front the top elbow.

  • Page 30: Display Board

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Display Board (Fig. 2.4, item 13) b Switch SW2 - Press to check DISCHARGE valve solenoid valve and door bolt solenoid. 39 Remove the display board as follows: c Switch SW3 - Press to check water heater heating a Remove the solid state relay board (see para.26).

  • Page 31: Setting The Autoclave Serial Number

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE a Set mains power on/off switch to 'off' (0). as a single number. Thus, if the year is 1996 a '6' will be indicated. (e.g. 7 = 1997, 0 = 2000). b Press and hold switch SW6 on control PCB (Fig.3.4) and set mains power on/off switch 'on' (I).

  • Page 32: Setting The Cycles In Use

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE The autoclave serial number is now set and you will be e Check that display shows 'YEAR ? 00'. asked if the serial number is correct. Press switch SW1 Use switches SW1 and SW2 to set any year from if the answer is 'YES', or switch SW2 if the answer is 'NO'.

  • Page 33: Leak Test Procedure

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE n Disconnect and remove the chart recorder. WARNING o Refit the autoclave cover as described in para. 4. This procedure is done with the autoclave cover removed, mains power switched ‘on’ AUTOCLAVE CALIBRATION and the system pressurized.
  • Page 34 Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE b With the autoclave cover removed, attach the bare d After approximately four minutes from start of cycle, wire tip of a twisted thermocouple tightly against the adjust V5 (clockwise to increase) on control board top outer surface of the band heater, next to the (Fig.

  • Page 35: Pressure Relief Valve Test

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE When the temperature setting is correct, check the If calibration of the autoclave display is required, autoclave process display. If necessary, match the make small adjustments to V6 (clockwise to display temperature to the temperature shown on increase) on control board (Fig.

  • Page 36: Band Heater Calibration

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Band heater calibration (Fig. 3.4) 65 Carry out band heater calibration whilst in calibration mode as follows: Notes: (i) A half-turn of V7 (Fig.3.4) clockwise or anticlockwise, results in approximately 3°C change of temperature.

  • Page 37: Fig.3.1 Door Interlock Microswitch

    SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE ST-SM45g Page 37 of 53...

  • Page 38: Fig.3.5 System Circuit Diagram

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE 112507 is only required with 424138 issue 04 or later. Fig. 3.5 SES 2000 vacuum autoclave: System Circuit Diagram (Sheet 1) Page 38 of 53 ST-SM45g...
  • Page 39 SES 2000 Vac (LS3) AUTOCLAVE Part 3 PART 3 MAINTENANCE Fig. 3.5 SES 2000 vacuum autoclave: System Circuit Diagram (Sheet 2) ST-SM45g Page 39 of 53...

  • Page 40: Fig.3.6 Piston Vacuum Pump

    Part 3 SES 2000 Vac (LS3) AUTOCLAVE PART 3 MAINTENANCE Note: Not all screws are indicated. Fig. 3.6 Piston vacuum pump (as fitted to some autoclaves) no longer available. Fig. 3.7 Replacement kit for piston vacuum pump, no longer available. Page 40 of 53 ST-SM45g...

  • Page 41: Part 4 Illustrated Parts Lists

    SES 2000 Vac (LS3) AUTOCLAVE Part 4 PART 4 ILLUSTRATED PARTS LIST PARTS LIST 1: GENERAL SPARES NOTE: Change of parts for Door, Actuator lever assembly and Washer. Note when changing a door (424280*) ensure the following parts are used: Door 490017, Washer 112872 and current issue** Lever 427104.
  • Page 42 Part 4 SES 2000 Vac (LS3) AUTOCLAVE PART 4 ILLUSTRATED PARTS LIST PARTS LIST 1: GENERAL SPARES Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year 424117 . Top cover 424168 . Chassis 307267 . . Pipe clamp 111928# .
  • Page 43 SES 2000 Vac (LS3) AUTOCLAVE Part 4 PART 4 ILLUSTRATED PARTS LIST PARTS LIST 1: GENERAL SPARES Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year 424116 . Door assy 424102 . . Door beam assy 424106 .

  • Page 44: Illustrated Parts List 2: Pipes And Valves

    Part 4 SES 2000 Vac (LS3) AUTOCLAVE PART 4 ILLUSTRATED PARTS LIST PARTS LIST 2: PIPES AND VALVES Note: Also see Parts List 3 for other chamber fittings and assemblies. Page 44 of 53 ST-SM45g...
  • Page 45 SES 2000 Vac (LS3) AUTOCLAVE Part 4 PART 4 ILLUSTRATED PARTS LIST PARTS LIST 2: PIPES AND VALVES Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year Pressure chamber assy 490040 490117 . Chamber 380040 .

  • Page 46: And Process Controls

    Part 4 SES 2000 Vac (LS3) AUTOCLAVE PART 4 ILLUSTRATED PARTS LIST PARTS LIST 3: HEATER AND PROCESS CONTROLS Page 46 of 53 ST-SM45g...
  • Page 47 SES 2000 Vac (LS3) AUTOCLAVE Part 4 PART 4 ILLUSTRATED PARTS LIST PARTS LIST 3: HEATER AND PROCESS CONTROLS Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year 412012 . Heating element (230V, 2kW) 416220 .
  • Page 48 Part 4 SES 2000 Vac (LS3) AUTOCLAVE PART 4 ILLUSTRATED PARTS LIST PARTS LIST 3: HEATER AND PROCESS CONTROLS Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year 301127 . Neon, overheat 490306 . . Neon plate 301862 .
  • Page 49 SES 2000 Vac (LS3) AUTOCLAVE Part 4 PART 4 ILLUSTRATED PARTS LIST PARTS LIST 3: HEATER AND PROCESS CONTROLS Item No Part No Description Recommended Standard Long Holding Per Unit Unit Per Year 424424 424425 . Control PCB (A) 490334 .

  • Page 50: Autoclave Printer

    Paper Roll Renewal (Figs. A1 and A2) Caution The quality and size of paper rolls used in the printer, can only be supplied by Eschmann Equipment. Do not use alternative paper rolls. Renew paper roll as follows: a Open autoclave chamber door to provide access.

  • Page 51: Fig.a1-Fig.a4 Autoclave Printer

    Setting Date and Time Set the date and time as detailed in Section 3 para.50 Spares Pack A spares pack is available containing 5 paper rolls and 2 ribbon cartridges is available from Eschmann Equipment under catalogue number 87-034-05. Fig. A2 Paper Feed Fig.

  • Page 52: Pca 424138 And Relay Assembly 112507 Modification November 2004

    SES 2000 Vac (LS3) AUTOCLAVE Appendix B APPENDIX B PCA 424138 and Relay Assembly 112507 modification November 2004 SS Relay Board 424138 issue 03 was modified in November 2004 to issue 04. 424138 issue 04 has an attached loom that connects to a new Solid State Relay Assembly (112507). Solid State Relay Assembly (112507) switches power for the Immersion Heater and the Band Heater only.

  • Page 53: New Fittings For Emc Board

    SES 2000 Vac (LS3) AUTOCLAVE Appendix C APPENDIX C New fittings for EMC board January 2005 The fitting of the choke which is part of the EMC board has been changed. Without using the mounting plate and parts shown below, chokes with the new fitting cannot be used in units that have the old chassis (i.e.
  • Page 56 Eschmann Equipment, Peter Road, Lancing, West Sussex, BN15 8TJ, England. Tel: +44 (0) 1903 753322. Fax: +44 (0) 1903 875789. www.eschmann.co.uk...

This manual is also suitable for:

87-050-0687-050-1487-050-2287-050-30

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