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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
38 Error Check Method and Error Code List
38.4 Error Code List and Action
*1. "" indicates the following values for each special adapter/special block where an error has occurred.
If an error has occurred in 2 or more special adapters/special blocks, "" indicates the lowest unit number
among the special adapters/special blocks in which an error has occurred.
Special parameter error [M8489(D8489)]
01
*1
Continues
operation
Special parameter setting time-out error
Turn OFF the power, and check the power supply and
connection of special adapters/special blocks.
02
*1
Special parameter setting error
Special parameters are set improperly.
• 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.
03
*1
Special parameter transfer target unconnected error
Special parameters are set, but special adapters/special
blocks are not connected.
Check whether special adapters/special blocks are
connected.
04
*1
Special parameter unsupported function
Check that special parameters with unsupported settings
are not set for connected special adapters/special blocks.
Value of (decimal)
Special adapter/special block where an error has occurred
00 Unit number 0 (Special block)
10 Unit number 1 (Special block)
20 Unit number 2 (Special block)
30 Unit number 3 (Special block)
40 Unit number 4 (Special block)
50 Unit number 5 (Special block)
60 Unit number 6 (Special block)
70 Unit number 7 (Special block)
81 Communication channel 1 (Special adapter)
82 Communication channel 2 (Special adapter)
Error
bit
PLC operation at
error occurrence
Contents of error Action
Special block error condition [D8166]
b0
Continues
operation
Unit 0 access error
This error occurs when an operation is executed or when
the END instruction is executed.
• Review the program and check the contents of the
operands used in applied instructions.
• Verify that the specified buffer memories exist in the
counterpart equipment.
• Verify that extension cables are correctly connected.
b1 Unit 1 access error
b2 Unit 2 access error
b3 Unit 3 access error
b4 Unit 4 access error
b5 Unit 5 access error
b6 Unit 6 access error
b7 Unit 7 access error
b8 to
b15
⎯ Not available
Error
code
PLC operation at
error occurrence
Contents of error Action