Chapter 2. CPU Features & Specifications
80
PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual
GFK-2222AD
Indicators CPU315, CPU320 & CRU320
Eight CPU LEDs indicate the operating status of various CPU functions.
Two Comm LEDs indicate activity on COM1 and COM2.
LED State
On
Blinking
Off
CPU Operating State
CPU OK
On Green
CPU has passed its power-up diagnostics and is
functioning properly.
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Off
CPU problem. RUN and OUTPUTS ENABLED LEDs
may be blinking in an error code pattern, which can
be used by technical support for troubleshooting.
This condition and any error codes should be
reported to your technical support representative.
Blinking Green
Other LEDs off
CPU in Stop/Halt state; possible watchdog timer
fault. Refer to the fault tables. If PME cannot
connect, cycle power with battery attached and
refer to fault tables.
CPU OK
Blinking in unison CPU is in boot mode and is waiting for a firmware
update through a serial port.
RUN
OUTPUS ENABLED
RUN
On Green
CPU is in RUN Mode.
Off
CPU is in STOP Mode.
OUTPUTS
ENABLED
On Green
Output scan is enabled.
Off
Output scan is disabled.
I/O FORCE
On Yellow
Override is active on a bit reference.
BATTERY
Off
Normal battery
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Blinking Red
Battery low
On Red
Battery has failed or is not attached
3
SYSTEM FAULT
On Red
CPU is in Stop/Faulted mode because a fatal fault
has occurred.
COM1
Blinking Green
Signals activity on corresponding serial port.
COM2
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After initialization sequence is complete.
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Low battery detection requires hardware revision
–
Fx or later and a smart battery. For details, refer to the
PACSystems
Battery and Energy Pack Manual,
GFK-2741.