851
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Error Check Method and Error Code List
37.4 Error Code List and Action
31
FN
C
275-FN
C
279
Da
ta
Tr
ans
fe
r 3
32
FN
C
280
-F
N
C
28
9
H
igh Speed
Pr
oces
si
ng 2
33
FN
C
290-FN
C
299
Ext
ensi
on Fi
le
R
egi
st
er
34
SF
C
•S
T
L
Pr
o
g
ra
m
m
in
g
35
In
te
rru
p
t
Funct
ion
36
Sp
e
cia
l De
vic
e
37
E
rro
r C
o
d
e
A
V
e
rs
ion U
p
In
fo
rm
a
tio
n
B
Ex
ec
ut
ion Ti
m
e
s
C
Appl
ic
ab
le
In
st
ru
ct
ion Li
st
PLC/PP communication error (D8062)
0000
⎯
No error
6201
Continues
operation
Parity, overrun or framing error
Check the cable connection between the
programming panel (PP) / programming device and
the PLC. This error may occur when a cable is
disconnected an reconnected during PLC
monitoring.
6202
Communication character error
6203
Communication data sum check error
6204
Data format error
6205
Command error
Serial communication error 1 [M8063 (D8063)]
0000
⎯
No error
6301
Continues
operation
Parity, overrun or framing error
•
Inverter communication, computer link and
programming:
Ensure the communication parameters are
correctly set according to their applications.
•
N:N network, parallel link, etc.:
Check programs according to applications.
•
Remote maintenance:
Ensure modem power is ON and check the
settings of the AT commands.
•
Wiring:
Check the communication cables for correct
wiring.
6302
Communication character error
6303
Communication data sum check error
6304
Communication data format error
6305
Command error
6306
Communication time-out detected
6307
Modem initialization error
6308
N:N network parameter error
6312
Parallel link character error
6313
Parallel link sum error
6314
Parallel link format error
6320
Inverter communication error
Parameter error [M8064(D8064)]
0000
⎯
No error
6401
Stops
operation
Program sum check error
STOP the PLC, and correctly set the parameters.
6402
Memory capacity setting error
6403
Latched device area setting error
6404
Comment area setting error
6405
File register area setting error
6406
Special unit (BFM) initial value setting, positioning
instruction setting sum check error
6407
Special unit (BFM) initial value setting, positioning
instruction setting error
6409
Other setting error
Syntax error [M8065(D8065)]
0000
⎯
No error
6501
Stops
operation
Incorrect combination of instruction, device symbol
and device number
During programming, each instruction is checked. If
a syntax error is detected, modify the instruction
correctly.
6502
No OUT T or OUT C before setting value
6503
•
No setting value after OUT T or OUT C
•
Insufficient number of operands for an applied
instruction
6504
•
Same label number is used more than once.
•
Same interrupt input or high speed counter
input is used more than once.
6505
Device number is out of allowable range.
6506
Invalid instruction
6507
Invalid label number [P]
6508
Invalid interrupt input [I]
6509
Other error
6510
MC nesting number error
Error codes in shaded columns are added in FX
3U
and FX
3UC
PLCs.
Error
code
PLC operation at
error occurrence
Contents of error
Action