1 Green LED | 2 Amber LED | Interpretation |
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Off | On | A backup is in progress. |
Flashing (1 Hz) | On | A restore is in progress. |
Flashing (1 Hz) | Off | The capacitor pack is charging. |
On | Off | The capacitor pack has completed charging. |
Flashing (2 Hz) | Flashing (2 Hz) | One of the following conditions exists: |
Alternating with | Alternating with | • The charging process has timed out. |
amber LED | green LED | • The capacitor pack is not connected. |
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On | On | The flash code image failed to load. |
Off | Off | The flash code is corrupt. |
FBWC module LEDs (P222, P420, P421, P721m, P822)
The FBWC module has three
1 - Amber | 2 - Green | 3 - Green | Interpretation |
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Off | Off | Off | The cache module is not powered. |
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Off | Flashing 0.5 Hz | Flashing 0.5 Hz | The cache microcontroller is executing from within its |
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| boot loader and receiving new flash code from the host |
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| controller. |
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Off | Flashing 1 Hz | Flashing 1 Hz | The cache module is powering up, and the capacitor |
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| pack is charging. |
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Off | Off | Flashing 1 Hz | The cache module is idle, and the capacitor pack is |
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| charging. |
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Off | Off | On | The cache module is idle, and the capacitor pack is |
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| charged. |
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Off | On | On | The cache module is idle, the capacitor pack is charged, |
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| and the cache contains data that has not yet been |
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| written to the drives. |
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Off | Flashing 1 Hz | Off | A backup is in progress. |
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Off | On | Off | The current backup is complete with no errors. |
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Flashing 1 Hz | Flashing 1 Hz | Off | The current backup failed, and data has been lost. |
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Flashing 1 Hz | Flashing 1 Hz | On | A power error occurred during the previous or current |
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| boot. Data may be corrupt. |
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| Component identification 27 | |