Replacing The Power Unit On A Dbl/Dbs Drive Box - Hitachi CBXSS Hardware Service Manual

Replacing the Power Unit on a DBL/DBS Drive Box

To replace the Power Unit on a DBL/DBS Drive Box:
1. Confirm the status of the following LEDs:
- Red ALM LED on the Power Unit to be replaced is ON.
- Green RDY LED on the Power Unit not to be replaced is ON.
NOTE: If the red ALM LEDs on the Power Unit of both controllers are ON,
visit the HDS Support Portal at portal.hds.com.
2. Hold up the latch on the Power Unit cable holder to release the lock, and
then slide the cable holder forward.
3. Disconnect the power cables connected to the Power Unit to be replaced.
You cannot remove the Power Unit with the power cable connected.
4. Wait at least 30 seconds before installing the new Power Unit.
NOTE: If you do not wait at least 30 seconds, the Power Unit might not
recover normally. If you fail to wait at least 30 seconds and the Power Unit
does not recover, remove the Power Unit, wait at least 30 seconds, and
then reinstall it.
5. Open the lever toward you (
inward with your thumb ( ). When the lever is opened completely, the
Power Unit can be removed by pulling it forward.
6. Hold the Power Unit with both hands, then pull and remove it.
7. With the lever opened completely, insert the replacement Power Unit
into the slot. If you cannot insert the Power Unit into the slot easily,
adjust the position by returning the lever slightly, and then insert it.
8. Push the Power Unit all the way. Do not catch the SAS (ENC) Cable when
inserting the Power Unit.
9. Close the lever and tighten the Power Unit.
10.Connect the power cable.
11.Confirm the status of the following LEDs:
- Green RDY LED on the Power Unit is ON.
- Green READY LED on the front of the Controller Box is ON. This
LED may blink rapidly for up to 50 minutes.
- Red ALARM LED and orange WARNING LED are OFF. If these two
LEDs blink slowly, visit the HDS Support Portal at portal.hds.com.
12.In Storage Navigator Modular 2, check the recovery after replacing
components (see
page
Checking recovery after replacing components on
3-14).
Replacing a Power Unit
Hitachi Unified Storage Hardware Service Guide
) while pressing the latch on the Power Unit
?
7–7