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.
CPU has passed its power-up diagnostics and is
functioning properly.
46
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 is in boot mode and is waiting for a firmware
update through a serial port.
Override is active on a bit reference.
Battery has failed or is not attached
3
CPU is in Stop/Faulted mode because a fatal fault
has occurred.
Signals activity on corresponding serial port.
After initialization sequence is complete.
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.