Power Supply Leds; Seven-Segment Display Leds - HP StorageWorks 9100 - Extreme Data Storage System User Manual

Power supply LEDs

This enclosure supports hot-plug redundant power supply in a 1+1 configuration. This means that the
enclosure requires one power supply to operate and the second power supply performs a redundant
function.
Item Description
Power supply
1
status LED

Seven-segment display LEDs

The seven-segment display indicates Power On Self Test (POST) and system status information. During
normal operation, the display will read "on."
Item
Description
1 Up button
2 Down button
3
Display
Codes consist of four characters, but only two characters are displayed at a time. Pressing the up or
down arrow button on the seven-segment display shows the remaining characters.
The first character represents a domain code:
• C—Configuration error
• F—Firmware error
• H—Hardware error
22
LED descriptions
Status
Solid green—Power is present and the power supply is functioning properly
Blinking amber—Power supply fault condition exists, replace power supply
Use
Scrolls the display up
Scrolls the display down
Display area for POST and system status codes