LG GLOFA-GM Series User Manual page 340

Programmable logic controller cnet i/f module
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Chapter 11 Troubleshooting
11.2.4 Error code ERR-6, ERR-7 : Transmission monitor data error
Y
Any error in communication module?
Any error in communication module?
Close monitor screen & frame editor
screen and then execute TX monitor
screen again.
TX monitor data error
Isn't the sent data monitored
from the beginning?
N
N
Are communication command &
frame definition set correct?
Y
No error in cable connection?
N
Any serious error in CPU?
N
N
Y
Check error code and perform
troubleshooting.
N
Let communication command &
frame definition set correct.
Y
Check cable if connected securely or
not.
Y
See user's manual of CPU to remove
CPU error.
Y
Check error code and perform
troubleshooting.
11-8

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