MX2N series HMI PLC all in one programming manual
33
10.Fault detection
Sorts
Error
Error contents
Resolution
PLC hardware
error
M8061(D8061)
Running stop
0000
No abnormality
6101
Power failure data error
Check the power failure detection
circuit, CPU internal FLASH is
damaged
6105
Monitor action (Internal watchdog act)
Increase D8000 setting value, or
check procedures
6106
Logical error
Contact supplier
Serial 2/CAN
Error
M8063(D8063)
Running continue
0000
No abnormality
6306
Receive data timeout
Detect communication line and
D8129 setting
6307
Unopened serial 2 use RS,FROM,TO instructions Open serial 2 communication in
IO parameter software
6308
D8120 data bit/ check bit selection error
7-bit data can’t select “No test”
6309
D8120 check selection error
Check the selection value error
6322
D8120 doesn’t open RS instructions
Pls set D8120 Reuse RS
instruction correctly
6330
D8120 Parameter setting error
6331
MODBUS-RTU Master doesn’t support function
code
Reset FROM and TO Function
code
6332
D8120 doesn’t open MODBUS-RTU Master
station
Set D8120 reuse FROM and TO
instruction correctly
6333
FROM/TO receive slave data check error
Check whether the
communication parameters of the
master and slave stations are
6334
FROM/TO receive slave station number is
inconsistent with function code
6335
FROM slave address error
FROM slave address can’t be 0
6336
FROM/TO instruction’s read/write
data length error
Read/Write length should be 1- 64
6340
Serial 1 DMA transmission error
6341
Serial 1 DMA receive error
6345
Serial 2 DMA transmission error
6346
Serial 2 DMA receive error
Parameter error
M8064(D8064)
Running stop
0000
No abnormality
6401
Program and number check error
1, The program is modified
maliciously
or downloaded is unfinished;
2,CPU internal program FLASH
6409
IO function parameter and number check error
IO function parameter download
is incomplete or FLASH is
