User manual

7–16
Chapter 7 – RUN Mode and Errors
LT Series User Manual
Error Message Problem Countermeasure
NETWORK
ADDRESS ERROR
(02 : F8)
This LT uses an SIO address that is
different than other LTs. (Only for the
Multi-Link connection)
Check the SIO address setting
of each LT, and make
necessary corrections.
PLC COM. ERROR
(02 : **)
Specific external device-related error,
or an error has occurred with the
external device.
7.4.2 – “Error Message
Details”
SCREEN MEMORY
DATA IS CORRUPT
(nnnn:mmmm)
Screen data is corrupted:
• nnnn indicates the Screen Number
that identifies the location of the error.
• mmmm indicates the number of
screens that have errors. (Decimal)
Check the screens that have
errors, correct all errors, and
then transfer the screen data
again.
CLOCK SETUP
ERROR
The backup battery for the internal
clock is running low.
7.4.2 – “Error Message
Details”
SCREEN TRANSFER
ERROR
Indicates an error that has occurred in
data transmission from the screen
editor to the LT panel.
Re-transfer the screen data.
SCREEN TAG LIMIT
EXCEEDED
Number of Tags exceed the max.
385–Tag limit
7.4.2 – “Error Message
Details”
OBJ. PLC HAS NOT
BEEN SET UP (**)
The host external device that is set up
in the Editor program does not match
the external device in use.
7.4.2 – “Error Message
Details”