Issue 3.0
SV9100 System Hardware Manual 4-23
3.1.4 LED Indications
The LEDs on the GCD-CP10 indicate the following:
RUN (D23) = The CPU is operating (green)
D20, and D21 = Alarms (red)
D22 = SD Memory Card access/Alarm indication (red)
D25 = The USB memory connection status (red)
(LED off when no USB memory installed)
D24 = Not Used
Refer to Program 90-10: System Alarm Setup for details on assigning
alarm LEDs.
Table 4-8 GCD-CP10 LED Indications provides a list of each LED and
associated operation and status indications. Refer to Figure 4-6 GCD-CP10
Blade Layout on page 4-15 for the location of the LEDs on the GCD-CP10.
Table 4-8 GCD-CP10 LED Indications
LED Indication
Status
RUN (D23) D20 D21 D22 D25
Blinking Off Off Off On Steady When
USB Memory is
Installing
System operating normally
Off Off Off Off Blinking
Boot is starting
Off On Off Off Off
Initializing the disk or
formatting
Blinking Blinking Off Access
Blink
On Steady When
USB Memory is
Installing
Boot program is initializing in
the flash memory
Off On On Access
Blink
On Steady When
USB Memory is
Installing
Reading system software
Off On Off Access
Blink
On Steady When
USB Memory is
Installing
Upgrading system software
On Blinking Blinking Blinking On Steady When
USB Memory is
Installing
Finish formatting (SRAM,
Flash)
Blinking Off Off Off Off
DRAM error
Blinking Off Off On On Steady When
USB Memory is
Installing
FPGA version error
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