W&H MN-111 Troubleshooting Manual
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W&H MN-111 Troubleshooting Manual

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Errors and Troubleshooting
SERVICE BOOK
ENG - Rev08
MN-111 110 V / 220 V

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Summary of Contents for W&H MN-111

  • Page 1 Errors and Troubleshooting SERVICE BOOK ENG - Rev08 MN-111 110 V / 220 V...
  • Page 2 Tool list Repair and Spare Parts Torque values for bolts and nuts Repair and Spare Parts Water consumption table Test instructions MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 3: Table Of Contents

    Checks and actions Other problems Water tank problems Water spillage problems Printer problems USB device problems Display problems Other problems and malfunctions MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 4: About This Manual

    All drawings, images and texts contained in this manual are the property of the manufacturer. Even partial duplication of drawings, images or text is prohibited. The information contained in this document is subject to change without prior notice. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 5: Conformity

    Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets. Note : Every new sterilizer is delivered with a Declaration of Conformity and a Warranty Card. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 6: Symbols And Messages

    PROPERTY DAMAGE MESSAGES Notice: Indicates information considered important, but not hazard-related. Typically to avoid damage to the product. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 7 Symbols and messages LABEL ON THE BOX MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 8: Safety Warnings

    The transport of the sterilizer shall be done by two authorized technicians using PPE devices (personal protective equipment) according to applicable standards; The sterilizer shall be handled with care. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 9: Emergency Door Opening

    Insert the opening tool into the hole and then turn it counterclockwise until the door is unlocked (proceed slowly until it stops). MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 10: Errors

    If the values are different from those measured by the sterilizer (check the System Info screen), replace the main board. Room temperature too high. Clean the component with compressed air. Condenser/Dust filter/Fan grid clogged/dirty. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 11 Main board failure. If the problem persist, see error "087 to 099" above and perform the relevant test. door opening. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 12 COMPONENTS. Replace the sensor if needed. Safety block during HEA2 phase. See error "164" above, all causes. (Pchamber > 1.9 barA) MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 13 See Test instructions service book, chapter SPECIFIC TESTS FOR INDIVIDUAL COMPONENTS, Chamber heater temperature sensor (TABLE POINT 1 and 2). If it is necessary, replace the main board. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 14 HEPA filter tube line clogged/dirty. Levelling set points not achieved. Replace component if needed and/or fix the problem. F2 filter clogged/dirty MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 15 Fix any detected leak. H20 overconsumption during See error "422" above, all causes. HEA1 phase (starting from the beginning of the cycle H20>300cc). MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 16 Proceed as per errors "527 - 531" above, but only with the OPEN side microswitch. (OPEN side). Microswitch failure (OPEN side). Main board failure. Impossible position detected. See error "Errors" on page  10. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 17 Upgrade the software to the latest version, if the problem persists replace the main board. Main board failure. If the problem persists, call service. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 18: Other Problems

    Check presence of paper. Printer fault Replace printer. Wrong printer model selected Set the right printer model. Please refer to the Instructions for use. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...

  • Page 19: Usb Device Problems

    Instructions for use. Check external filling system. Chamber not properly rinsed after cleaning Clean sterilizer chamber. Please refer to the Instructions for use. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 20 Run the diagnostic cycle S. G. Perform. Test Noisy fan Condenser fan obstructed Check if cables or tubes obstruct the fan. MN-111  | Service book |  Errors and Troubleshooting MN-111 ENG Rev08 |  2019/06/21 |  © 2019 W&H Sterilization Srl...
  • Page 22 Manufacturer MN-111 W&H Sterilization Srl Service book via Bolgara, 2 Errors and Troubleshooting Brusaporto (BG) Italy Rev08 2019/06/21 www.wh.com Subject to changes med.wh.com +39 035 66 63 000...

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