IBM System Storage N3700, Hardware And Service Manual

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v Reinstalling the CPU module
To replace the battery, complete the following steps:
1. Put on the antistatic ESD strap and grounding leash.
2. Remove the CPU module by following the procedure in “Removing the CPU
module” on page 30.
3. Disconnect the battery wire from the CPU module motherboard.
4. At the side of the CPU module, remove the four screws holding the battery
housing, and remove the battery. See Figure 12.
CAUTION:
Danger of explosion if battery is incorrectly replaced. Replace only with
the same or equivalent type recommended by the manufacturer. Dispose
of used batteries according to manufacturer’s instructions. For more
information, see “Battery return program” on page ix.
5. Install the new battery by placing it into the battery housing, and secure the
battery housing to the CPU module using the four screws.
6. Reconnect the battery wire to the CPU module.
7. Reinstall the CPU module.
8. After turning on your system, run diagnostics on the new battery. See the IBM
System Storage N series Diagnostics Guide for more information.
Note: The battery is rechargeable, and diagnostics might indicate a low charge
after installation. This is normal. The battery will reach a full charge after
your storage system has been turned on for several hours.
9. Check and set the date and time values on your storage system. Replacing the
battery will likely cause these values to get reset.
Battery
connection
Battery
Battery
housing
Figure 12. Battery housing in CPU module
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IBM System Storage N series: N3700 Hardware and Service Guide