QUICK START GUIDE APS 6.0 User Manual

Troubleshooting
B–5
Table B.B
LED Status - Error Conditions
Processor LED When It Is Indicates that
RUN
On (steadily) The processor is in the Run mode.
RUN
(Color: red)
Off
The processor is in a mode other than Run.
Flashing (at power up) The processor has not been configured.
CPU FAULT
(Color: red)
Flashing (during
operation)
The processor detects a major error either in
the processor, expansion chassis or memory.
(
C
olor: red)
On (steadily)
A fatal error is present (no communication).
Off There are no errors.
FORCED I/O
Flashing
One or more input or output addresses have
been forced to an On or Off state but the
forces have not been enabled.
FORCED
I/O
(Color: red)
On (steadily)
The forces have been enabled.
Off No forces are present or enabled.
BATTERY LOW
(Color: red)
On (steadily)
The battery voltage has fallen below a
threshold level or the battery and the battery
jumper are missing.
(
C
olor: red)
Off
The battery is functional, or the battery jumper
is present.
COMM
On (steadily) The SLC 5/02 is receiving data.
COMM
(Color: red)
Off The SLC 5/02 is not receiving data.