Removing the battery from the fan power control

Use this information to remove the CMOS battery from an fan power control.

The following notes describe information that you must consider when replacing the battery.

• Lenovo has designed this product with your safety in mind. The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you must adhere to the following instructions.
  Note

  In the U. S., call 1-800-426-4333 for information about battery disposal.
• If you replace the original lithium battery with a heavy-metal battery or a battery with heavy-metal components, be aware of the following environmental consideration. Batteries and accumulators that contain heavy metals must not be disposed of with normal domestic waste. They will be taken back free of charge by the manufacturer, distributor, or representative, to be recycled or disposed of in a proper manner.
• To order replacement batteries, call 1-800-426-SERV within the United States, and 1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, call your support center or business partner.
  Note

  After you replace the battery, you must reconfigure the fan power control time settings.
  Statement 2
  
  
  CAUTION

  When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.

  Do not:

  • Throw or immerse into water
  • Heat to more than 100°C (212°F)
  • Repair or disassemble

  Dispose of the battery as required by local ordinances or regulations.

To remove the battery, complete the following steps:

1. Read the safety information that begins on Safety and Installation guidelines.
2. If the fan power control is installed in the NeXtScale n1200 Enclosure, remove it (see Removing the fan power control).
3. Carefully lay the fan power control on a flat, static-protective surface.
4. Locate the battery.
   Figure 1. Locate the battery
   
   
5. Using your fingernail, press the battery retaining clip. The battery should pop free.
   Figure 2. Battery removal
   
   

   Attention

   Do not lift the battery by using excessive force. Failing to remove the battery properly may damage the socket on the fan power control. Any damage to the socket may require replacing the fan power control.
6. Lift the battery from the socket.
7. Dispose of the battery as required by local ordinances or regulations. See the Environmental Notices and User's Guide on the Documentation CD for more information.