Installing The Power Unit - Hitachi CBXSS Hardware Service Manual

2. Use the cable clamp to secure the cable for the cache backup battery.
3. Close the cache backup battery cover and then tighten the blue screw.

Installing the Power Unit

Wait at least 30 seconds after removing the Power Unit. Then use the
following procedure to install the Power Unit, which includes the new cache
backup battery.
NOTE: If you install the Power Unit with the new cache backup battery
without waiting at least 30 seconds, it might not recover normally. If this
occurs, remove the inserted Power Unit from the storage system, wait at
least 30 seconds, and then re-insert the Power Unit into the storage
system.
1. With the lever opened completely, insert the Power Unit into the slot.
2. Push the Power Unit all the way in.
3. Close the lever completely, and then secure the Power Unit.
4. Connect the power cable to the installed Power Unit.
5. Secure the cable holder with the power cable, and then push the cable
holder in.
6. Charge the cache backup battery until the green B-RDY LED on the
Power Unit stops blinking and goes ON. The green B-RDY LED blinks
when the cache backup battery is charging and then goes ON when the
cache backup battery is fully charged. Charging time takes
approximately 3 hours.
7. Confirm the status of the following LEDs:
- Green B-RDY LED on the Power Unit is ON.
- Green READY LED on the front of the Controller Box is ON.
- Red ALARM LED and orange WARNING LED (orange) are OFF. If
the LED in
Support Portal at portal.hds.com. The green READY LED on the
front of the Controller Box might blink quickly for 30-to-50
minutes.
8. In Hitachi Storage Navigator Modular 2, check the recovery after
replacing components (see
components on page
Recycle the old cache backup battery.
5–4
Figure 5-1 on page 5-5
Checking recovery after replacing
3-14).
Replacing a cache backup battery
Hitachi Unified Storage Hardware Service Guide
is blinking slowly, visit the HDS