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
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