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Chapter 8 FAN Unit Replacement 8-13
FIGURE 8-11 Removing the FAN Unit (Rear of M9000)
7. Place the removed FAN unit on an antistatic mat.
8. Mount the replacement FAN unit by following the removal instructions in Step 5 and
Step 6 in reverse order. Align the FAN unit with the slot guides, insert it carefully,
and secure it firmly.
Caution – Each cabinet contains multiple FAN units, which satisfies the cooling
specifications even while one FAN unit is being replaced. When replacing a FAN unit,
however, replace it as quickly as possible.
Caution – Do not forcibly push the FAN unit when inserting it, even if it is not moving
smoothly. You may fail to insert the FAN unit due to the presence of any obstruction in a slot
or any problem with a connector pin; and if you forcibly insert it, serious damage may result.
9. Go back to the terminal that is connected to XSCF, and perform the input operation
according to the instructions of the maintenance menu that is displayed after the
replacement.
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