Section 4 Led Indications; Table 4-2 Cpu Led Indications - NEC SL1100 Hardware Manual

SL1100

SECTION 4 LED INDICATIONS

The LEDs on the CPU indicate the following:
RUN (D1) = The CPU is operating (Blue)

D2, and D3 = Alarms (Red)

D4 = Flash access indication (Red)

D5 = Boot status (Red)

Refer to Program 90-10: System Alarm Setup for details on assigning alarm LEDs.

CPU LED Indications provides a list of each LED and associated operation and status indications.
Refer to Inserting the CF card for the location of the LEDs on the CPU.
System Operating Normally
System Operate Normal + File accessing
System Starting Up
Boot is starting
Initializing the disk or formatting
Reading System Program
Reading Error of System Program
System Initializing + DSP loading process
Initializing System Program
Upgrading System Program (in the Flash Memory)
Batch file Error
Completed the System Program Upgrade
Security Tip Error
Error alarm (Major) occurred
Error alarm (Minor) occurred
Shutting Down
Power Off
4-12

Table 4-2 CPU LED Indications

Status LED Indication
RUN
D2 D3
(D1)
Blinking Off Off
Blinking Off Off
On Off Off
On Off Off
Blinking Off Off
Blinking Off On
Off On Off
On Off On
Blinking Off On
Off Blinking Off
Off On On
Off Blinking Blinking
Off Blinking Off
Blinking Blinking Off
Blinking Blinking Off
Blinking Off Off
Off Off Off
ISSUE 1.0
D4 D5
Off Off
Access
Off
Blinking
Off Off
Off Blinking
Off Off
Access
Off
Blinking
Off Off
Access
Off
Blinking
Access
Off
Blinking
Access
Off
Blinking
Off Off
Blinking Off
Off Off
Off Off
Off Off
Off Off
Off Off
Maintenance