Dell PowerSwitch S4048-ON - LED behavior

LED behavior
The following S4048–ON switch LED behavior is seen during open networking installation environment (ONIE) operations:
Figure 5. S4048–ON LEDs
1. Master LED
2. System LED
3. Power LED
4. Fan LED
5. Locator LED
6. SFP+ link or activity LEDs
7. Stack LED
8. USB port LED
9. QSFP+ link or activity LEDs
Table 1. S4048–ON LED behavior
LED Description
System Status or Health LED
● Solid green—Normal operation
● Flashing green—Booting
● Solid amber—Critical system error
● Flashing amber—Noncritical system error, fan failure, or
power supply failure
Power LED
● Off—No power
● Solid Green—Normal
● Solid amber—POST is in process.
● Flashing amber—Power supply failed
MASTER LED
● Off—Switch is in Stacking Slave mode.
● Solid green—System is in Stacking Master or Standalone
mode.
FAN LED
● Solid green—fan that is powered and running at the
expected RPM.
● Solid amber—fan failed including incompatible airflow
direction when you insert the PSU or fan trays with
differing airflows.
PSU LED
● Solid green—Normal operation
● Solid amber—Power supply critical event causing a
shutdown
The S4048–ON switch 9