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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
38 Error Check Method and Error Code List
38.4 Error Code List and Action
PLC/PP communication error (D8062)
Serial communication error 0 [M8062 (D8062)]
0000 ⎯ No error
6201
Continues
operation
Parity, overrun or framing error
Confirm 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
6411
Built-in CC-Link/LT special function block invalid
parameter settings (LT-2 dedicated area).
6412
Built-in CC-Link/LT special function block parameter
settings sum check error (special function settings area).
6413
Built-in CC-Link/LT special function block parameter
settings sum check error (LT-2 dedicated area).
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
code
PLC operation at
error occurrence
Contents of error Action