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To close the drawer, push the drawer in until it stops, and return the handle to the closed position.
Control panel
The control panel on the storage expansion node has a green activity LED for each drive bay, one yellow
status LED for all the drive bays, and a drawer-open LED.
The following illustration shows the LEDs on the control panel.
Activity LEDs (green)
When one of these LEDs is lit, it indicates activity on the drive in the associated drive bay.
Status LED (yellow)
The status LED gives the following indications:
• Lit: One or more drives are in a fault state.
• Flashing: One or more drives are being identified.
• Flashing and then lit: One or more drives are in a fault state and are being identified. The LED flashes
until identification is complete, and then the LED remains lit until all fault states have been resolved.
Drawer-open LED
If the storage expansion node is operated for too long with the drawer open, the chassis cooling fans
might increase in speed, and the storage expansion node might power off. If the drawer is open, the
drawer-open LED flashes and an audible beep sounds to give the following indications:
• Every 15 seconds: The drawer is not fully closed. Close the drawer when you have finished installing
or removing drives.
• Every 5 seconds: The drawer has been open too long. Close the drawer immediately.
• Every 0.25 second: The storage expansion node has reached its thermal threshold. Close the
drawer immediately to avoid damage to the drives.
Notices and statements in this document
Use this information to understand the most common documentation notices and statements and how
they are used.
The caution and danger statements in this document are also in the multilingual Safety Information
document, which is on the product Documentation CD. Each statement is numbered for reference to the
corresponding statement in the Safety Information document.
The following notices and statements are used in this document:
5
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Chapter 1
Introduction
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