Power Cooling Module (Pcm) - Silicon Graphics InfiniteStorage 6120 User Manual

Figure 85. Front Panel LED Description
LED
Individually
numbered
4.1.2

Power Cooling Module (PCM)

Figure 86
• Under normal conditions, the LEDs should be illuminated constant green.
• If a problem is detected, the color of the relevant LED will change to amber.
Figure 86. Power Cooling Module LEDs
Normal Operation LEDs
0 0 7 - 5 5 3 3 - 0 0 1
Definition Color
DEM Fault Amber
Drive Fault Amber
HDDs Green
describes the PCM LED status.
Enclosure
Faults LEDs
OFF - all DEMs operating correctly
ON - at least one DEM has failed; service action required
ON - one or more HDDs are failed; SES must determine
exact HDD
OFF - no detectable drive faults
ON - when SAS HDD is present
Blinks - indicates HDD activity
OFF - no HDD activity
LED Description Color
Enclosure
Amber
front fault
PCM AC Green
PCM DC Green
PCM Fault Amber
PCM ID Blue
Status LED Indicators
Status
Status
ON - AC input, DC output,
fan or other PCM fault
detected
ON - AC input to PCM within
tolerances
OFF - PCM failed
ON - DC output of PCM
within tolerances
OFF - PCM failed
ON - AC input, DC output,
fan or other PCM fault
detected
OFF - no fault detected
ON - receiving SES identify
command
OFF - NOT receiving SES
identify command
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