Rockwell-automation 1747-PTxx Getting Started Guide for HHT Manual de usuario descargar pdf (Pagina 60)

Appendix B

roubleshooting Errors

Getting Started Guide

for HHT

B–3

The System LEDs are located at different places on the modular system and

the SLC fixed controller. Refer to the Installation and Operation manual for

more information on system LED status. See the figure and table below:

Modular System

SLC 500 Fixed Controller

BATTERY LOW

FORCED I/O

CPU FAULT

PC RUN

BATTERY LOW

FORCED I/O

CPU FAULT

PC RUN

POWER

Processor LED Status of LED Cause Corrective Action

POWER Off No DC power to backplane

Verify line power within range. Verify

wiring and grounding. Check power

supply fuse. For modular system,

verify power supply jumper is posi-

tioned correctly and that the power

supply has been sized properly for

loading in the rack.

CPU FAULT Steady Bad CPU or firmware improperly

installed

Verify

that position of notch in proces

sor firmware chip matches processor

board diagram. See corrective action

for Power LED.

CPU FAULT Flashing Processor major fault

Correct the problem based on the

ror message. First clear the fault.

Then press and return processor to

RUN mode. See processor error

codes.

BATTERY LOW Steady

Battery voltage fallen below thresh-

old to retain RAM memory; or no

battery present; or LED jumper is

missing

Replace

1747–BA and

do not remove

processor power; or add 1747–BA to

retain RAM memory; or add LED

jumper to prevent the LED from

lighting.

System LED Status

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 76 77

Comentarios a estos manuales

Sin comentarios

Rockwell-automation 1747-PTxx Getting Started Guide for HHT Manual de usuario Pagina 60

Comentarios a estos manuales

Relacionado con productos y manuales para Equipo Rockwell-automation 1747-PTxx Getting Started Guide for HHT