Mitsubishi Electronics FX3G Manuel D’Utilisation

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3UC
 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