Dell S4100-ON Series Installation Manual - Page 11
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Figure 7. S4100-ON Series PSU-side LEDs
1
Fan LED
3
PSU LED
Table 3. S4100–ON Series LED behavior
LED
System Status/Health LED
Power LED
Master LED
FAN LED
PSU LED
Locator LED/System Beacon
2
Link LED
4
Activity LED
Description
•
Solid green—Normal operation
•
Blinking green—Booting
•
Solid yellow—Critical system error
•
Blinking yellow—Noncritical system error, fan failure, or power
supply failure
•
Off—No power
•
Solid green—Normal operation
•
Solid yellow—POST is in process
•
Blinking yellow—Power Supply failure
•
Off—Switch is in Stacking Slave mode
•
Solid green—Switch is in Stacking Master or Standalone mode
•
Off—No power
•
Solid green—Normal operation; fan powered and running at the
expected RPM
•
Solid yellow—Fan failed—including incompatible airflow
direction when you insert the PSU or fan trays with differing
airflows
•
Off—No power
•
Solid green—Normal operation
•
Solid yellow—Power supply critical event causing a shutdown.
•
Blinking yellow—PSU warning event; power continues to
operate
•
Blinking green, 1.0 Hz—Standby mode
•
Blinking green, 0.5 Hz—Ac power cord unplugged
•
Off—Locator function is disabled
S4100–ON Series switch
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