Troubleshooting 17–13
Hitachi Unified Storage Hardware Service Guide
WARNING LED goes ON or blinks 1. Does the orange WARNING LED on the
Controller Box blink fast?
• Yes: Flash program is executing. Wait for the
orange
WARNING LED on the Controller Box
to go OFF and the green
READY LED on the
Controller Box to go ON.
• No: Go to step 2.
2. Does the orange
WARNING LED on the
Controller Box blink slowly?
• Yes: Use Storage Navigator Modular 2 to
identify the failed components.
• No: Go to step 3.
3. Is the green
READY LED on the controller
ON?
•Yes: Go to step 4.
•No: See READY LED does not go ON or READY
LED went ON and then OFF on page 17-12.
4. Continue to use the equipment and contact
your administrator.
5. End of procedure.
Table 17-2: Using LEDs to diagnose problems (Continued)
Problem Corrective action
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