Lenovo DM120S Service Manual page 20

Step 5. Use the fan module handle to pull the fan module out of the shelf.
Step 6. Slide the replacement fan module all the way into the shelf, moving the fan module handle to the
side until it latches with the orange tab.
Step 7. Check the amber Attention LED on the new fan module.
Note: After you replace the fan module, the Attention LED stays on (solid amber) while the
firmware checks that the fan module was installed correctly. The LED goes off after this process is
complete.
Step 8. If you are instructed to return the failed part, follow all packaging instructions and use any
packaging materials that are provided.
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Service Guide for DM120S, DM240S, and DM600S
Tab that you press to release the fan module
handle
Handle to pull the fan module out