Storage Controller Indicators - Lenovo ThinkAgile CP Hardware Part Replacement And Component Maintenance Procedures
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Storage controller indicators
The storage controller LED indicators are located on the rear of the storage block. Each block has two
controllers. The top storage controller has its LED indicators on the top right side of the block, while the
bottom controller has its LED indicators on the bottom left side of the block.
Each controller has three LED indicators:
• Operation LED indicator:
– On: the controller is receiving power
– Off: the controller is not receiving power
• Identification LED indicator:
– Constant On: the controller is identified
– 1 Hz blink rate (once a second): the controller is not identified
– Constant Off: the controller is operating under normal conditions
• Error/Warning LED indicator:
– On: fault conditions are present
– Off: the controller is operating under normal conditions
Figure 16. Storage controller indicators
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Lenovo ThinkAgile CP Hardware Part Replacement and Component Maintenance Procedures
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