Hitachi G200 Hardware Reference Manual page 31

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Note: Removing a controller can cause the POWER, READY, WARNING, and
ALARM LEDs on the front panel to turn off. These LEDs return to their on state
after the storage system recovers from the controller replacement.
Virtual Storage Platform G200 controllers
Hitachi Virtual Storage Platform G200 Hardware Reference Guide
Item
POWER LED
READY LED
WARNING LED
ALARM LED
POWER ON/OFF (main switch)
Lock
Description
Green: Storage system is
powered on.
Amber: Storage system is
receiving power.
Green: Normal operation.
Off: Normal operation.
Amber: Component requires
maintenance.
Blink: Failure requires
maintenance.
Note: When System Option
Mode 1097 is set to ON, the
WARNING LED does not blink,
even if the following failure
service information messages
(SIM) are issued: 452xxx,
462xxx, 3077xx, 4100xx, and
410100.
LED might turn off during user
maintenance.
Off: Normal operation.
Red: Processor failure (system
might be down). Go to the
Customer Contact Us page at
https://support.hds.com/
en_us/contact-us.html.
Powers the storage system.
Locks and unlocks the front
panel bezel by using the
supplied key.
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