Troubleshooting function problems using the lcd, Troubleshooting function problems using the lcd -7 – Rockwell Automation 1747-DTAM-E,D17476.1 Data Table Access Module (DTAM) User Manual

Page 87

Advertising
background image

Troubleshooting

9-7

Publication 1747-6.1

Troubleshooting
Function Problems
Using the LCD

TROUBLESHOOTING CONSIDERATIONS

GENERAL ERROR SCREEN

COMM LED

PROBABLE CAUSES

RECOMMENDED ACTION

Function Failed

LED illuminated green or
flashing green

An incorrect password has
been entered three times

Start a new attach procedure
with the correct password.

XX owned by: XX

1

LED illuminated green or
flashing green

The node you wish to attachto
is communicating with another
node

Wait until the communications
are complete or cancel the
communications from one of
the other devices.

Program Changed

LED illuminated green or
flashing green

User program in the processor
you are attached to has been
changed by a programming
device

Initiate a new attach sequence
or press

>(6&@

if auto attach

is set on.

Default

LED illuminated green or
flashing green

Processor contains no user
program

Download a user program to
the processor from a
programming device or HHT.

No Memory Module

LED illuminated green or
flashing green

Trying to do a memorytransfer
function with no EEPROM
installed in the processor

Install an EEPROM Module in
the processor.

Access Denied

LED illuminated green or
flashing green

Processor is owned by another
node or HHT

Wait until communications are
complete or cancel the
ownership of the other device.

The data entry destination
address word in a 13- or 18-
word message format is invalid
or not allocated in the
processor

Allocate the required address
in the processor data file, then
save and download the
program.

Check the data entry
destination address.

The acknowledge/no-
acknowledge bit address in an
18-word message format is
invalid or not allocated in the
processor

Allocate the required address
in the processor data file, then
save and download the
program.

Check the acknowledge/no-
acknowledge bits.

The user program in a SLC
5/02 processor is compiled
with all data files protected

Remove the file protection in
the processor, then save and
download the program.

The keyswitch for a SLC 5/03
processor is not in the correct
position

Set the keyswitch to REM
position.

1. Where XX is the Node Address Value.

Advertising