Lenovo ThinkServer RD550 User Manual
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4. Connect the power cord to the power connector on the new hot-swap redundant power supply. Then,
check the status LED near the power connector. When the LED is lit in green, it indicates that the
hot-swap redundant power supply is working correctly. When the LED is lit in amber, it indicates that the
hot-swap redundant power supply is likely to fail or has failed. You need to reinstall or replace it.
Replacing a hot-swap redundant power supply
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 61.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Use any documentation that comes with the hot-swap redundant power supply and follow those
instructions in addition to the instructions in this topic.
To replace a hot-swap redundant power supply, do the following:
1. Locate the failing hot-swap redundant power supply in the rear of your server. Then, disconnect the
power cord from the failing hot-swap redundant power supply.
2. Press the tab
1
inward and carefully pull the handle
2
to slide the hot-swap redundant power supply
out of the chassis.
Note: Do not use too much force. You can first carefully slide the hot-swap redundant power supply a
little bit out to release it from the secured position. Then, completely slide it out of the chassis.
Figure 90. Removing a hot-swap redundant power supply
3. Install a new hot-swap redundant power supply. See “Installing a hot-swap redundant power supply” on
4. If you are instructed to return the old hot-swap redundant power supply, follow all packaging instructions
and use any packaging materials that are supplied to you for shipping.
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ThinkServer RD550 User Guide and Hardware Maintenance Manual