Dell PowerVault MD1000 Hardware Owners Manual - Page 18

Enclosure Alarms, Power Supply/Cooling Fan Module LED Indicators - documentation

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Table 1-5. Power Supply/Cooling Fan Module LED Indicators LED type DC power LED color Green Power Amber supply/cooling fan fault AC power Green LED Icon Function On: DC output voltages are within specifications. Off: No power, or voltages not within specifications. On: DC output voltages are not within specifications or one (or both) fans are in fault. Off: No fault condition is present. On: AC input voltage is within specifications. Off: No power, or voltages not within specifications. Enclosure Alarms An audible alarm is activated if any of the fault conditions listed in Table 1-6 occur. If a critical event occurs, the alarm sounds continuously. If a noncritical event occurs, the alarm sounds every 10 seconds. NOTE: The audible alarm is disabled by default. To enable the alarm, you must change the default setting in Server Administrator. For more information, see Server Administrator Storage Management Service documentation. Table 1-6. Critical and Noncritical Events Critical Events Two or more fan blowers have failed or a power supply/cooling fan module is not installed. Noncritical Events One power supply has failed. One or more temperature sensors are in critical range. One cooling fan has failed. One or more temperature sensors are in warning range. One EMM has failed. NOTE: It is rare for both EMMs to fail simultaneously. However, if this occurs, the enclosure cannot issue critical or noncritical event alarms for any enclosure component. 18 About Your System

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18
About Your System
Enclosure Alarms
An audible alarm is activated if any of the fault conditions listed in Table 1-6 occur. If a critical event
occurs, the alarm sounds continuously. If a noncritical event occurs, the alarm sounds every 10 seconds.
NOTE:
The audible alarm is disabled by default. To enable the alarm, you must change the default setting in Server
Administrator. For more information, see Server Administrator Storage Management Service documentation.
NOTE:
It is rare for both EMMs to fail simultaneously. However, if this occurs, the enclosure cannot issue critical
or noncritical event alarms for any enclosure component.
Table 1-5.
Power Supply/Cooling Fan Module LED Indicators
LED type
LED color
LED Icon
Function
DC power
Green
On:
DC output voltages are within
specifications.
Off:
No power, or voltages not within
specifications.
Power
supply/cooling fan
fault
Amber
On:
DC output voltages are not within
specifications or one (or both) fans are
in fault.
Off:
No fault condition is present.
AC power
Green
On:
AC input voltage is within
specifications.
Off:
No power, or voltages not within
specifications.
Table 1-6.
Critical and Noncritical Events
Critical Events
Noncritical Events
Two or more fan blowers have failed or a power
supply/cooling fan module is not installed.
One power supply has failed.
One or more temperature sensors are in critical range.
One cooling fan has failed.
One or more temperature sensors are in warning range.
One EMM has failed.