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Chapter 9 Power Supply Unit (PSU) Replacement 9-11
FIGURE 9-9 Removing the PSU (Front of the M9000 Base Cabinet)
7. Place the removed PSU on an antistatic mat.
8. Mount the replacement PSU by following the removal instructions in Step 5
and Step 6 in reverse order. Align the PSU with the slot guides, insert it
carefully, and secure it firmly.
Caution – Each cabinet contains multiple PSUs so that the power output
specifications are satisfied even if one PSU fails. However, please refrain from the
long time operation as one PSU remains failed.
Caution – Do not forcibly push the PSU when inserting it, even if it is not moving
smoothly. If the PSU is forcibly inserted despite the presence of any obstruction in a
slot or any problem with a connector pin, serious damage may result.
9. Go back to the terminal that is connected to XSCF, and perform the input
operation according to the instructions on the maintenance menu that is
displayed after the replacement.
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