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Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual

Page 92

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1785-UM022C-EN-P - February 2008

5-2

PROC

Green
(steady)

Processor is in run
mode and fully
operational

Normal operation

No action required

Green
(blinking)

Processor memory is
being transferred to
EEPROM

Normal operation

No action required

Red

(blinking)

Major fault

• RSLogix 5

download in
progress

• Run-time error

During RSLogix 5 download, this is
normal operation - wait for
download to complete.
If not during RSLogix 5 download:
• Check major fault bit in status

file (S:11) for error definition

• Clear fault, correct problem, and

return to run mode

Alternating
Red and
Green

Processor in
FLASH-memory
programming mode

Normal operation if
processor's FLASH
memory is being
reprogrammed

No action required - allow flash
update to complete

Red
(steady)

Power cycle with
problem battery

Battery is low,
disconnected or not
installed

Properly replace or install battery
(see Chapter 1 for more
information)

Red
(steady)

Fault with memory
loss

• New processor

• Invalid ControlNet

network address

• Processor has

failed internal
diagnostics

• Use programming software to

clear and initialize memory

• Verify that ControlNet address

switch is not set to 0

• Install battery (to preserve

failure diagnostics), then power
down, reseat processor and
power up; then reload your
program. If you are unable to
reload your program, replace the
processor. If you are able to
reload your program and fault
persists, contact Technical
Support at 440.646.6800 to
diagnose the problem.

Off

Processor is in
program load or test
mode or is not
receiving power

Check power supply and
connections

FORCE

Amber
(steady)

SFC and/or I/O forces
enabled

Normal operation

No action required

Amber
(blinking)

SFC and/or I/O forces
present but not
enabled

Off

SFC and/or I/O forces
not present

COMM

Off

No transmission on
channel 0

Normal operation if
channel is not being
used

Green
(blinking)

Transmission on
channel 0

Normal operation if
channel is being
used

Indicator

Color

Description

Probable Cause

Recommended Action