| LED ID | Color | LED name and interpretation | ||||
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| 7 | Green | CR506: Command Outstanding LED. The controller is working on a command | ||||
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| from the host driver. |
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| 8 | Green | CR505: Controller Heartbeat LED. This LED flashes every 2 seconds to indicate | ||||
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| the controller health. |
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| 9 | Green | CR504: Gas Pedal LED. This LED, together with item 10, indicates the amount of | ||||
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| controller CPU activity. For details, see the following table. | |||
| 10 | Green | CR503: Idle Task LED. This LED, together with item 9, indicates the amount of | ||||
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| controller CPU activity. For details, see the following table. | |||
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| Gas pedal LED status |
| Idle task LED status |
| Controller CPU activity level |
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| Off |
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| Blinking |
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| Blinking |
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| Off |
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| On steadily |
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| Off |
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| On steadily |
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| On steadily |
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Battery pack LEDs
Item ID | Color | Description |
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1 | Green | System Power LED. This LED glows steadily when the |
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| system is powered up and 12 V system power is |
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| available. This power supply is used to maintain the |
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| battery charge and provide supplementary power to the |
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| cache microcontroller. |
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2 | Green | Auxiliary Power LED. This LED glows steadily when 3.3V |
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| auxiliary voltage is detected. The auxiliary voltage is used |
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| to preserve BBWC data and is available any time that the |
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| system power cords are connected to a power supply. |
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3 | Amber | Battery Health LED. To interpret the illumination patterns of |
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| this LED, see the following table. |
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4 | Green | BBWC Status LED. To interpret the illumination patterns of |
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| this LED, see the following table. |
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| Diagnosing array problems 35 |