Mitsubishi Electronics FX3G User Manual

FX

3S

/FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 Series

Programming Manual - Basic & Applied Instruction Edition

38 Error Check Method and Error Code List

PLC hardware error [M8061(D8061)]

6103

Stops

operation

I/O bus error (M8069 = ON)

Verify that extension cables are correctly connected.

6104

Powered extension unit 24 V failure (M8069 = ON)

6105

Watchdog timer error

Confirm user program.
The scan time exceeds the value stored in D8000.

6106

I/O table creation error (CPU error)

•

When turning the power ON to the main unit, a 24V
power failure occurs in a powered extension unit. (The
error occurs if the 24V power is not supplied for 10
seconds or more after main power turns ON.)

•

When turning main power ON, I/O assignment to CC-
Link/LT (built into the FX

3UC

-32MT-LT(-2) PLC) is

disabled.

6107

System configuration error

Check the number of connected special function units/
blocks. Some special function units/blocks have a
connection number limit.

6112

Changed settings for the built-in CC-Link/LT special 
function block cannot be written to the attached flash 
memory cassette.

Verify that the memory cassette is installed 
correctly.

6113

Changed settings for the built-in CC-Link/LT special 
function block cannot be written to the attached write-
protected flash memory cassette.

Set the protect switch to OFF.

6114

CC-Link/LT settings cannot be written to the built-in CC-
Link/LT special function block.

Set the configuration again.
If the problem persists, something may be malfunctioning
inside the PLC. Consult your local Mitsubishi Electric
representative.

6115

A built-in CC-Link/LT special function block EEPROM 
writing time-out error occurred, or the built-in CC-Link/LT 
special function block configuration could not be 
completed normally in self CONFIG mode.

PLC/PP communication error, 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 and 
reconnected during PLC monitoring.

6202

Communication character error

6203

Communication data sum check error

6204

Data format error

6205

Command error

6230

Memory access error

When the memory cassette is used, check whether it is
mounted correctly.
If the problem persists or if the memory cassette is not
used, something may be malfunctioning inside the PLC.
Consult your local Mitsubishi Electric representative.