Troubleshooting
17–11
Hitachi Unified Storage Hardware Service Guide
POWER LED turned OFF
1. Is AC power being supplied?
•
Yes: Go to step 2.
•
No: Supply AC power to the storage system
and restart the storage system. Go to step 2.
2. Set the main switch to off.
3. Wait over a minute and then set the main
switch to ON.
4. Is the POWER LED on the Controller Box ON?
•
Yes: go to step 6.
•
No: Set the main switch to OFF.
5. Contact your administrator. Go to step 7.
6. Is the READY LED on the Controller Box ON?
•
Yes: Use the equipment in its current
operational state, even if the green READY
LED blinks fast.
•
No: See
READY LED does not go ON or READY
LED went ON and then OFF on page 17-12
.
7. End of procedure.
Table 17-2: Using LEDs to diagnose problems (Continued)
Problem
Corrective action
Summary of Contents for CBL
Page 20: ...xx Hitachi Unified Storage Hardware Service Guide Labels on the CBXSS ...
Page 30: ...xxx Hitachi Unified Storage Hardware Service Guide CBL CBLE CBLD DBS DBSD DBL DBLD DBF ...
Page 39: ...xxxix Hitachi Unified Storage Hardware Service Guide Out ...
Page 40: ...xl Hitachi Unified Storage Hardware Service Guide ...
Page 152: ...5 8 Replacing a cache backup battery Hitachi Unified Storage Hardware Service Guide ...
Page 156: ...6 4 Replacing a Fan Module Hitachi Unified Storage Hardware Service Guide ...
Page 180: ...8 16 Adding and replacing controllers Hitachi Unified Storage Hardware Service Guide ...
Page 188: ...9 8 Replacing cache memory Hitachi Unified Storage Hardware Service Guide ...
Page 200: ...11 6 Replacing the Host connector Hitachi Unified Storage Hardware Service Guide ...
Page 204: ...12 4 Replacing the Drive I O Module Hitachi Unified Storage Hardware Service Guide ...
Page 212: ...14 4 Replacing the SAS ENC cable Hitachi Unified Storage Hardware Service Guide ...
Page 274: ...17 14 Troubleshooting Hitachi Unified Storage Hardware Service Guide ...
Page 291: ...1 Hitachi Unified Storage Hardware Service Guide ...