User manual

Chapter 2: Installation
185
Replace Cache Battery
The cache battery is located in the Cooling Unit 1 (the left one). The battery is
replaced as an individual part. No tools are required for this procedure.
Note that the Battery LED on Cooling Unit 2 is always dark.
1. To replace a cache battery, do the following:
2. Verify that the battery LED is amber or red (above).
3. Press the release button and pull the handle downward as shown above.
Caution
• There is a risk of explosion if the battery is replaced by the
incorrect type.
• Dispose of used batteries according to the instructions that
accompany the battery.
• While the battery is removed, your system will be vulnerable
to a power failure. Temporarily set your cache policy to write-
through before starting this procedure. See page 113
(WebPAM PRO) or page 149 (CLU).
Battery LED