Lcd Message Types; Error Messages; Informational Messages - HP 201723-B21 - StorageWorks Modular SAN Array 1000 Hard Drive Maintenance And Service Manual

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Fault LED—indicates an internal MSA component failure or external storage enclosure failure
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Two-line, twenty-column text message LCD display panel
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Left navigation button
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Up navigation button
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Right navigation button
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Down navigation button
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Redundancy Link LED (dual-controller configurations only) — indicates that both array controllers and their
corresponding Fibre Channel I/O modules are in a redundant mode of operation

LCD message types

The display module is capable of holding up to 100 messages. Once this maximum has been reached,
older messages are removed to make room for newer ones. Messages can be of three types:

• Error messages

• Informational messages

• User input messages
For a complete list of messages and their meanings, see
Error messages
Error messages indicate that a problem has occurred and may require user action to correct it.
The array controller Fault LED to the left of the LCD display panel lights whenever a new error message is
sent to the display panel and has not been viewed, and when an error message is currently displayed for
viewing. After all error messages have been viewed, the LED turns off and is re-lit only when an error
message is currently being viewed or a new error message is sent to the display panel.
Informational messages
Informational messages indicate non-critical changes in the system that are provided as feedback
to the user.
The array controller Fault LED to the left of the LCD display is off when an informational message is
currently being viewed, unless an unviewed error message was previously sent to the display module.
After all error messages have been viewed, the LED returns to lighting up only when currently on
an error message.
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LCD panel and message descriptions
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15576
LCD message descriptions.