Extreme Networks ExtremeCloud Appliance E3120 Installation Manual page 10

Table 3: System LED patterns
LED Pattern
Solid green
1 Hz blinking green
1 Hz blinking amber
ExtremeCloud™ Appliance E3120
System Status
Ok
Issues with the system
Fatal or unrecoverable system
hardware failure
Overview
Description
Indicates that the system is normally
running without any errors.
Indicates that:
•
There might be redundancy loss
in the power supply or fan.
•
The non-critical threshold has
crossed due to temperature,
input power to power supply,
voltage, output current for main
power rail from power supply,
and process thermal control
sensors.
•
Power supply failure may have
occurred while redundant power
supply was present.
•
There is a fault in the hard drive.
•
The appliance is unable to use all
of the installed memory.
•
The battery has failed.
Amber color means there has been a
fatal error in the system. System
failure is caused when:
•
Crtical threshold is crossed.
•
Minimum number of fans to cool
the system is not present or the
fans have failed.
•
The required number of power
supply is not present in the
system.
10