LED ID | Color | Name | Comments |
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1 | Green | CR502: Expander Heartbeat | This LED flashes every two seconds during normal |
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| operation. If the LED glows steadily, the expander |
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| cannot function due to an internal problem. If the |
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| LED flashes twice per second, the expander cannot |
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| function because the NVRAM is corrupt. |
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2 | Amber | CR510: System Error | The controller ASIC has locked up and cannot |
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| process any commands. |
3 | Amber | CR509: Diagnostics Error | One of the server diagnostics utilities has detected |
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| a controller error. |
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4 | Amber | CR500: Drive Failure | To determine which drive has failed, check the Fault |
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| LED of each physical drive connected to the |
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| controller. |
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5 | Green | CR508: Activity | Port 4I is active. |
6 | Green | CR507: Activity | Port 3I is active. |
7 | Green | CR506: Command Outstanding | The controller is working on a command from the |
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| host driver. |
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8 | Green | CR505: Controller Heartbeat | When the controller is in good health, this LED |
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| flashes every two seconds. |
9 | Green | CR504: Gas Pedal | This LED, together with the Idle Task LED (next item), |
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| indicates the amount of controller CPU activity. For |
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| more information, see the following table. |
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10 | Green | CR503: Idle Task | This LED, together with the Gas Pedal LED (previous |
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| item), indicates the amount of controller CPU |
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| activity. For more information, see the following |
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| table. |
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Gas pedal LED status | Idle task LED status | Controller CPU activity level |
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Off | Flashing | |
Flashing | Off | |
On steadily | Off | |
On steadily | On steadily |
Component identification 24