3
Table7-4 LEDs and buttons on the rear panel
LED
Status
Fan module status LED
•
Steady green
—The fan module is operating correctly.
•
Steady red
—The fan module is faulty.
•
Off
—The fan module is not installed securely, or no power is present on
the fan module.
Power supply status LED
•
Steady green
—The power supply is operating correctly.
•
Fast flashing green
—Power is being input correctly but the system is
not powered on.
•
Slow flashing green
—The power supply is for backup and provides no
power output.
•
Steady amber
—Either of the following conditions exists:
The power supply is faulty.
The power supply does not have power input, but the other power
supply has correct power input.
•
Flashing amber
—An alert has occurred.
•
Off
—Both power supplies do not have power input, which can be
caused by incorrect power cord connection or power source shutdown.
