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Lenovo ThinkSystem DM240N Service Manual
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Lenovo ThinkSystem DM240N Service Manual

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Service Guide for DM240N

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Summary of Contents for Lenovo ThinkSystem DM240N

  • Page 1 Service Guide for DM240N...
  • Page 2 First Edition (February 2020) © Copyright Lenovo 2020. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration (GSA) contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-...

  • Page 3: Table Of Contents

    Chapter 5. Replacing the real-time Trademarks ....clock battery ....15 © Copyright Lenovo 2020...
  • Page 4 Service Guide for DM240N...

  • Page 5: Chapter 1. Hot-Swapping A Drive

    • When you unpack the replacement drive, save all packing materials for use when you return the failed drive. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact technical support at...
  • Page 6 A video for this task is available at: • Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-BhZmHgn868u8QatfgH8JW4 • Youku: https://list.youku.com/albumlist/show/id_52419127 Step 1. If you want to manually assign drive ownership for the replacement drive, you need to disable drive ownership automatic assignment if it is enabled. Note: You need to manually assign drive ownership if drives in the shelf are owned by both controller modules in the HA pair.
  • Page 7 Assign each drive: storage disk assign -disk disk_name -owner owner_name You can enter the command on either controller module. You can use the wildcard character to assign more than one drive at once. Reenable drive ownership automatic assignment if needed: storage disk option modify -node node_name -autoassign on You must reenable drive ownership automatic assignment on both controller modules.
  • Page 8 Service Guide for DM240N...

  • Page 9: Chapter 2. Hot-Swapping A Power Supply

    • When you unpack the replacement power supply, save all packing materials for use when you return the failed power supply. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact...
  • Page 10 Using both hands, support and align the edges of the power supply with the opening in the NSM module. Gently push the power supply into the NSM module until the locking mechanism clicks into place. Attention: Do not use excessive force or you might damage the internal connector. Rotate the cam handle to the closed position.

  • Page 11: Chapter 3. Replacing A Fan

    • When you unpack the replacement fan, save all packing materials for use when you return the failed fan. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact technical support at...
  • Page 12 Loop your index fingers through the finger holes of the latching mechanisms on either side of the NSM module. Note: If you are removing the bottom NSM module, and if the bottom rail is obstructing access to the latching mechanisms, place your index fingers through the finger holes from the inside (by crossing your arms).
  • Page 13 Step 11. Verify that the NSM module is cabled correctly. You can download and run ThinkSystem Intelligent Monitoring Config Advisor to verify cabling. If any cabling errors are generated, follow the corrective actions provided. Lenovo Downloads: ThinkSystem Intelligent Monitoring Config Advisor Chapter 3 Replacing a fan...
  • Page 14 Service Guide for DM240N...

  • Page 15: Chapter 4. Replacing A Dimm

    • When you unpack the replacement DIMM, save all packing materials for use when you return the failed DIMM. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact technical support...
  • Page 16 Step 3. Remove the NSM module from the shelf: Loop your index fingers through the finger holes of the latching mechanisms on either side of the NSM module. Note: If you are removing the bottom NSM module, and if the bottom rail is obstructing access to the latching mechanisms, place your index fingers through the finger holes from the inside (by crossing your arms).
  • Page 17 Step 11. Verify that the NSM module is cabled correctly. You can download and run ThinkSystem Intelligent Monitoring Config Advisor to verify cabling. If any cabling errors are generated, follow the corrective actions provided. Lenovo Downloads: ThinkSystem Intelligent Monitoring Config Advisor Chapter 4 Replacing a DIMM...
  • Page 18 Service Guide for DM240N...

  • Page 19: Chapter 5. Replacing The Real-Time Clock Battery

    • When you unpack the replacement RTC battery, save all packing materials for use when you return the failed RTC battery. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact technical...
  • Page 20 Step 3. Remove the NSM module from the shelf: Loop your index fingers through the finger holes of the latching mechanisms on either side of the NSM module. Note: If you are removing the bottom NSM module, and if the bottom rail is obstructing access to the latching mechanisms, place your index fingers through the finger holes from the inside (by crossing your arms).
  • Page 21 Step 11. Verify that the NSM module is cabled correctly. You can download and run ThinkSystem Intelligent Monitoring Config Advisor to verify cabling. If any cabling errors are generated, follow the corrective actions provided. Lenovo Downloads: ThinkSystem Intelligent Monitoring Config Advisor Chapter 5 Replacing the real-time clock battery...
  • Page 22 Service Guide for DM240N...

  • Page 23: Chapter 6. Replacing An Nsm Module

    • When you unpack the replacement NSM module, save all packing materials for use when you return the failed NSM module. You return the failed part to Lenovo as described in the RMA instructions shipped with the kit. If you need the RMA number or additional help with the replacement procedure, contact...
  • Page 24 Step 1. Properly ground yourself. Step 2. Physically identify the impaired NSM module. The system logs a warning message to the system console indicating which module is impaired. Additionally, the attention (amber) LED on the drive shelf operator display panel and the impaired module illuminate.
  • Page 25 Step 8. Move the fans from the impaired NSM module to the replacement NSM module. Firmly grasp a fan from the sides, where the blue touch points are located, and then lift it vertically to disconnect it from the socket. You might need to gently rock the fan back and forth to disconnect it before lifting it out.
  • Page 26 Step 14. Verify that the NSM module is cabled correctly. You can download and run ThinkSystem Intelligent Monitoring Config Advisor to verify cabling. If any cabling errors are generated, follow the corrective actions provided. Lenovo Downloads: ThinkSystem Intelligent Monitoring Config Advisor Service Guide for DM240N...

  • Page 27: Chapter 7. Hot-Removing A Drive Shelf

    Chapter 7. Hot-removing a drive shelf If you need to hot-remove an DM240N drive shelf, contact Lenovo technical support. © Copyright Lenovo 2020...
  • Page 28 Service Guide for DM240N...

  • Page 29: Appendix A. Contacting Support

    Appendix A. Contacting Support You can contact Support to obtain help for your issue. You can receive hardware service through a Lenovo Authorized Service Provider. To locate a service provider authorized by Lenovo to provide warranty service, go to https://datacentersupport.lenovo.com/ serviceprovider and use filter searching for different countries.
  • Page 30 Service Guide for DM240N...

  • Page 31: Appendix B. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 32: Trademarks

    Trademarks LENOVO, LENOVO logo, and THINKSYSTEM are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2020 Lenovo. Service Guide for DM240N...

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