Troubleshooting your system, Appendix, Understanding controller leds – Conair B32 User Manual

Page 51

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Basic 32 Loader Control UGC007/0

7

02

Appendix

C

Troubleshooting Your System

This chapter describes how to troubleshoot your controller. Topics include:

understanding the controller LED status

controller error recovery model

identifying controller faults

calling Rockwell Automation for assistance

Understanding
Controller LEDs

The controller status LEDs provide a mechanism to determine the current status of
the controller if a programming device is not present or available.

D.C. INPUTS

24V SINK / SOURCE

DC/RELAY OUT

24V SOURCE

POWER

RUN

FAULT

FORCE

BAT. LO

COMM 0

DCOMM

LED

Color

Indicates

POWER

off

no input power

green

power on

RUN

off

controller is not in Run mode or REM Run

green

controller is in Run mode or REM Run

green
flashing

system is not in Run mode; memory module transfer is in
progress

FAULT

off

no fault detected

red flashing faulted user program

red

processor hardware fault or critical fault

FORCE

off

no forces installed

amber

forces installed

BATTERY LOW

off

battery OK

red

battery needs replacement (See page B-2.)

COMM 0

off

flashes when communications are active

green

COMM 1
(1764-LRP only)

off

flashes when communications are active

green

DCOMM

(1)

(1) When using a 1764-LRP processor, the DCOMM LED applies only to Channel 0.

off

user configured communications mode is active

green

default communications mode active

INPUTS

off

input is not energized

amber

input is energized (logic status)

OUTPUTS

off

output is not energized

amber

output is energized (logic status)

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