LG GLOFA-GM Series User Manual page 337

Chapter 11 Troubleshooting
11.2.2 Error code ERR-3 : Communication command error
Communication command error
Any error in communication
Is STATUS value in operation
Is STATUS value in operation 16?
Is STATUS value in operation 67?
Is STATUS value in operation 68?
Is the error code(16~32) inside
communication command?
CPU internal error occurred.
Contact Service station.
command or link ?
N
64,66 or 73?
N
N
N
N
N
Y
See commands and user's manual to
correct it.
Y
A
Y
Check if desired communication module
is mounted on slot entered in function
block program
Y
B
Y
Defined frame data has not been
downloaded to communication module.
Let frame downloaded.
Y
See communication command error
codes to correct it.
11-5