Mitsubishi FX2-16E series, User Manual

Page: 291 / 520

FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
283
14 Test Operation, Adjustment, Maintenance and Troubleshooting
14.6 Judgment by Error Codes and Representation of Error Codes
11
Hi
gh
-Speed
Counters
12
O
utput W
iri
ng
13
W
iri
ng for
V
ari
ous
Us
es
14
Te
st R
un,
Mai
nten
ance, T
roubl
es
hooti
ng
15
IInput/Output Pow
ered
Exte
nsi
on U
nit
s
16
Input/O
utput
Extens
ion
Bl
ock
s
17
Extension Power Suppl
y
Un
it
18
Other Extens
ion
Uni
ts an
d
Opti
ons
19
D
isplay M
od
ule
20
Te
rminal
Bl
oc
k
Parameter error [M8064(D8064)]
0000
⎯
No error
6401
Stops
operation
Program sum check error • STOP the PLC, and correctly set the parameters.
• Check that the following functions are not
used with an unsupported PLC version when a
memory cassette is attached:
- Permanent PLC lock (supported in Ver. 2.61
or later)
- Read-protect the execution program for
block passwords (supported in Ver. 3.00 or
later)
- FX
3U
-FLROM-1M (supported in Ver. 3.00
or later)
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
6420 Special parameter sum check error
• STOP the PLC, and correctly set the special
parameters.
• Set special parameters correctly, turn OFF the
power, and then turn ON the power.
6421 Special parameters setting error
• Check the contents of the special parameter error
code (D8489), confirm troubleshooting for special
adapters/special blocks, and set special
parameters correctly.
• Set special parameters correctly, turn OFF the
power, and then turn ON the power.
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 allowed range.
6506 Invalid instruction
6507 Invalid label number [P]
6508 Invalid interrupt input [I]
6509 Other error
6510 MC nesting number error
Circuit error [M8066(D8066)]
0000
⎯
No error
6610
Stops
operation
LD, LDI is continuously used 9 times or more.
This error occurs when a combination of instructions
is incorrect in the entire circuit block or when the
relationship between a pair of instructions is
incorrect.
Modify the instructions in the program mode so that
their mutual relationship becomes correct.
6611
More ANB/ORB instructions than LD/LDI
instructions
6612
Less ANB/ORB instructions than LD/LDI
instructions
6613 MPS is continuously used 12 times or more.
6614 No MPS instruction
6615 No MPP instruction
6616
No coil between MPS, MRD and MPP, or incorrect
combination
6617
Instruction below is not connected to bus line:
STL, RET, MCR, P, I, DI, EI, FOR, NEXT, SRET,
IRET, FEND or END
6618
STL, MC or MCR can be used only in main
program, but it is used elsewhere (e.g. in interrupt
routine or subroutine).
Error
code
PLC operation at
error occurrence
Contents of error Action