33
LED
Status
Description
Steady red
A minimum of one power supply has no power output.
Possible reasons include:
•
The power supply is faulty.
•
The switch for the power supply is turned off.
•
The power cord is connected incorrectly.
•
The external power supply system is powered off.
Off
•
No power supply is present in the gateway.
•
All the installed power supplies have no power output.
Possible reasons include:
The power supplies are faulty.
The switches for the power supplies are turned off.
The power cords are connected incorrectly.
The external power supply system is powered off.
Slot status LED
(SLOT)
Flashing green (4
Hz)
The module in the slot is loading software.
Steady green
The module in the slot has not started loading software.
Steady red
The temperature of the module has reached the
high-temperature warning threshold or dropped below the
low-temperature threshold.
Off
No module is present in the slot.
Active/standby
status LED
(ACTIVE)
On
The SEM is operating in active state.
Off
•
The SEM is operating in standby state.
•
The SEM is faulty. (You can examine also the slot
status LED for the SEM to determine whether a fault
has occurred.)