Lenovo ThinkSystem DM240N Service Manual Download Page 13 | Manualshive

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b. Reconnect the power cord to the power supply, and then secure the power cord with the

power cord retainer. When functioning correctly, a power supply's bicolored LED illuminates
green.

Additionally, both NSM module port LNK (green) LEDs illuminate. If a LNK LED does not
illuminate, reseat the cable.

Step 10. Verify that the attention (amber) LEDs on the NSM module containing the failed fan and the shelf

operator display panel are no longer illuminated.
When the replacement fan reaches its expected RPM speed, the attention LEDs turn off.

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

Replacing a fan

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Summary of Contents for ThinkSystem DM240N

Page 1: ...Service Guide for DM240N ...

Page 2: ...t 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 05925 ...

Page 3: ... 5 Chapter 3 Replacing a fan 7 Chapter 4 Replacing a DIMM 11 Chapter 5 Replacing the real time clock battery 15 Chapter 6 Replacing an NSM module 19 Chapter 7 Hot removing a drive shelf 23 Appendix A Contacting Support 25 Appendix B Notices 27 Trademarks 28 Copyright Lenovo 2020 i ...

Page 4: ...ii Service Guide for DM240N ...

Page 5: ...drive partitioning because drives are not recognized The DQP also notifies you of noncurrent drive firmware Lenovo Downloads Disk Qualification Package Best practice The best practice is to have current versions of NVMe shelf module NSM firmware and drive firmware on your system before replacing FRU components Note Do not revert firmware to a version that does not support your shelf and its compon...

Page 6: ...ve can be illuminated solid which indicates that the drive has power but should not be blinking which indicates I O activity A failed drive has no I O activity Step 4 Remove the failed drive a Press the release button on the drive face to open the cam handle b Slide the drive out of the shelf using the cam handle and supporting the drive with your other hand Step 5 Wait a minimum of 70 seconds bef...

Page 7: ...oller module You can use the wildcard character to assign more than one drive at once c 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 Chapter 1 Hot swapping a drive 3 ...

Page 8: ...4 Service Guide for DM240N ...

Page 9: ...u can turn them off by entering the same command but using the off option 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 technical support at Lenov...

Page 10: ...king mechanism clicks into place Attention Do not use excessive force or you might damage the internal connector c Rotate the cam handle to the closed position Step 6 Connect the power cord to the power supply and secure the power cord with the power cord retainer When functioning correctly a power supply s bicolored LED illuminates green 6 Service Guide for DM240N ...

Page 11: ... status on If you do not know the shelf_ name of the affected shelf run the storage shelf show command A shelf has three location LEDs one on the operator display panel and one on each NSM module Location LEDs remain illuminated for 30 minutes You can turn them off by entering the same command but using the off option When you unpack the replacement fan save all packing materials for use when you ...

Page 12: ...lly to disconnect it from the socket b Insert the replacement fan by aligning it within the guides and then push down until the fan module connector is fully seated in the socket Step 7 Close the NSM module cover and then tighten the thumb screw Step 8 Reinsert the NSM module into the shelf a Make sure that the latching mechanism arms are locked in the fully extended position b Using both hands ge...

Page 13: ...tion amber LEDs on the NSM module containing the failed fan and the shelf operator display panel are no longer illuminated When the replacement fan reaches its expected RPM speed the attention LEDs turn off 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 th...

Page 14: ...10 Service Guide for DM240N ...

Page 15: ...lf name shelf_name led status on If you do not know the shelf_ name of the affected shelf run the storage shelf show command A shelf has three location LEDs one on the operator display panel and one on each NSM module Location LEDs remain illuminated for 30 minutes You can turn them off by entering the same command but using the off option When you unpack the replacement DIMM save all packing mate...

Page 16: ...nutes after you remove the NSM module from the shelf Step 6 Replace the faulty DIMM a Note the orientation of the DIMM in the slot so that you can insert the replacement DIMM using the same orientation b Eject the DIMM from its slot by slowly pushing apart the ejector tabs at both ends of the DIMM slot and then lift the DIMM out of the slot Attention Carefully hold the DIMM by the corners or edges...

Page 17: ...NSM module ports Cables are inserted with the connector pull tab facing up When a cable is inserted correctly it clicks into place b Reconnect the power cord to the power supply and then secure the power cord with the power cord retainer When functioning correctly a power supply s bicolored LED illuminates green Additionally both NSM module port LNK green LEDs illuminate If a LNK LED does not illu...

Page 18: ...14 Service Guide for DM240N ...

Page 19: ...f name shelf_name led status on If you do not know the shelf_ name of the affected shelf run the storage shelf show command A shelf has three location LEDs one on the operator display panel and one on each NSM module Location LEDs remain illuminated for 30 minutes You can turn them off by entering the same command but using the off option When you unpack the replacement RTC battery save all packin...

Page 20: ... the holder b Insert the replacement battery into the holder at an inclined angle tilted away from the holder push it into an upright position and then press it firmly into the connector until it is fully seated Note The positive side of the battery marked with a plus sign is oriented outward away from the holder corresponding to the plus sign marked on the NSM module board Step 7 Close the NSM mo...

Page 21: ...NK LED does not illuminate reseat the cable Step 10 Verify that the attention amber LEDs on the NSM module containing the failed RTC battery and the shelf operator display panel are no longer illuminated When the replacement RTC battery s voltage is sufficient the attention LEDs turn off Step 11 Verify that the NSM module is cabled correctly You can download and run ThinkSystem Intelligent Monitor...

Page 22: ...18 Service Guide for DM240N ...

Page 23: ...stem before replacing FRU components Note Do not revert firmware to a version that does not support your shelf and its components Lenovo Downloads Disk Shelf Firmware Lenovo Downloads Disk Drive and Firmware Shelf NSM firmware is automatically updated nondisruptively on a new NSM module that has a non current firmware version NSM module firmware checks occur every 10 minutes An NSM module firmware...

Page 24: ...module sides with both hands to support its weight and then place it on a flat stable surface When you begin pulling forward the latching mechanism arms extend from the NSM module and lock in their fully extended position Step 5 Unpack the replacement NSM module and set it on a level surface near the impaired NSM module Step 6 Open the cover of the impaired NSM module and the replacement NSM modul...

Page 25: ...oth hands gently slide the NSM module into the shelf until the weight of the NSM module is fully supported by the shelf c Push the NSM module into the shelf until it stops about half an inch from the back of the shelf You can place your thumbs on the orange tabs on the front of each finger loop of the latching mechanism arms to push in the NSM module d Loop your index fingers through the finger ho...

Page 26: ...ment NSM module the attention LED turns off 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 22 Service Guide for DM240N ...

Page 27: ...Chapter 7 Hot removing a drive shelf If you need to hot remove an DM240N drive shelf contact Lenovo technical support Copyright Lenovo 2020 23 ...

Page 28: ...24 Service Guide for DM240N ...

Page 29: ...rvice 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 For Lenovo support telephone numbers see https datacentersupport lenovo com supportphonelist for your region support details Copyright Lenovo 2020 25 ...

Page 30: ...26 Service Guide for DM240N ...

Page 31: ...n new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not ...

Page 32: ...Trademarks LENOVO LENOVO logo and THINKSYSTEM are trademarks of Lenovo All other trademarks are the property of their respective owners 2020 Lenovo 28 Service Guide for DM240N ...

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