
B-63945EN/02 4.STAND-ALONE TYPE 30i SERIES HARDWARE
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(1) Alarm LED (red) display when a system alarm occurs
If any of these LEDs lights, it is likely that the hardware is
defective.
No.
Alarm LED
3 2 1
Meaning
1
Low battery voltage.
The battery may be running out.
2
Software detected an error and stopped the system.
3
Hardware detected a failure in the system.
4
An alarm was issued with the servo card on the main
board.
The servo card may be faulty, or the FSSB may be
broken.
5
An error was detected in the data of the SRAM on the
DIMM module.
The DIMM module may be faulty, the battery voltage
may have dropped, or the main board may be faulty.
6
Abnormal power supply operation.
The cause may be noise or a power supply module
failure.
: On : Off
Alarm LED Meaning
4 (LOW) The CPU card may be faulty.
(2) Ethernet status LED
Alarm LED Meaning
LINK (green) Turned on when a connection is made with the hub
correctly
COM (yellow) Turned on when data is transferred
(3) 7-segment LED
Alarm LED Meaning
Dot
Lights if the indicator is not normally connected.
It is likely that the optical cable may be broken, the
indicator may not be supplied with power, or the
indicator may be defective.
See Appendix E “LED Display” for others.
Dot