
B-63945EN/02 3.LCD-MOUNTED TYPE Series 300is/310is/320is HARDWARE
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(1) Alarm LED (CNC alarm red LED) indication at CNC system
alarm occurrence
If any of these LEDs lights, it is likely that the hardware is
defective.
No.
CNC alarm
LED
3 2 1
Status
1
Low battery voltage.
The battery may be is 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
LOW The CPU card may be faulty.
(2) Changes in status LED (GUI side status: Green LED) indication
at power-on time
No.
Status LED
(DNV1 to 3)
3 2 1
Status
1
State where the power is not tuned on, or state where
the system was started up successfully and is running
normally
2
State immediately after the power is turned on
3
The interface between the CPU card and GUI card is
being initialized.
If the status does not proceed further beyond this
indication, the CPU card, GUI card, or main board
may be faulty.
4
Start-up on the GUI card side is being awaited.
If the status does not proceed further beyond this
indication, the GUI card or main board may be faulty.
5
The CPU card screen is being output to the GUI card,
or a RAM error occurred in the interface between the
CPU card and GUI card. If the status does not
proceed further beyond this indication, the CPU card,
GUI card, or main board may be faulty.
: On : Off