Promise Technology VTrack M-Class M200f, Product Manual

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VTrak M-Class Product Manual
230
Replace Cache Battery – M500f/i/p
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.
To replace a cache battery, do the following:.
1. Verify that the battery LED is amber or red (above).
Cautions
• Try reconditioning the battery before you replace it. See
“Battery” on page 120 for more information.
• Installing an incorrect replacement battery may result in an
explosion.
• 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 “Logical Drive
Settings” on page 144 (WebPAM PROe) or “Logical Drive
Settings and Functions” on page 189. (CLU).
• If power service has failed, do not remove the cooling unit if
the Controller’s Dirty Cache LED is flashing. See “Unsaved
Data in the Controller Cache” on page 295.
Battery LED