Chapter 12 Troubleshooting
12-31
Error
code
Description
CPU
status
ERROR LED indicator status
ON
70B4
The device length of the communication
data in
function card 1 exceeds the limit.
Continue V
70B7
The device checksum
for the communication serial
port of function card 1 is incorrect.
Continue V
70C1
The device communication
function code in function
card 2 is incorrect.
Continue V
70C2
The device communication address
card 2 is incorrect.
Continue V
70C3
The device used in function card 2
exceeds the
device range.
Continue V
70C4
The device length of the communication
data in
function card 2 exceeds the limit.
Continue V
70C7
The device checksum
for the communication serial
port of function card 2 is incorrect.
Continue V
Invalid communication function code
8105
The contents of the downloaded program are
incorrect.
The program syntax is incorrect.
Continue V
8106
The contents of the downloaded program are
incorrect.
The length of the execution code exceeds the limit.
Continue V
8107
The contents of the downloaded program are
incorrect.
The length of the source code exceeds the limit.
Continue V
8000
-
8FFF
Errors occur between software and PLC. Continue V