11 TROUBLESHOOTING

MELSEC-Q

 

Error Code

Error Contents and Cause

Corrective Action

Corres-

 

ponding

 

(SD0)

1

 

 

 

CPU

 

 

 

 

 

 

 

 

 

Read the individual information of the error, check the program

QCPU

 

 

 

Station not loaded was specified using the instruction whose target

function

 

 

 

corresponding that value (program error location), and make

 

 

 

was the PLC share memory.

Ver. B

 

 

 

correction.

2110

 

 

or later

 

 

 

 

(1) The location designated by the FROM/TO instruction set is not a

(1) Read error individual information, then check and edit the

 

 

 

 

 

 

 

 

special function module.

FROM/TO instruction set that corresponds to the numerical

 

 

 

 

(2) The special function module, Network module being accessed is

value there (Program error location).

 

 

 

 

faulty.

(2) The special function module that is being accessed has a

 

2111

 

The location designated by a link direct device (J \ ) is not a

hardware error. Consult the nearest service center, agent or our

 

 

network module.

branch office and describe the symptom.

 

 

 

 

 

(1)The location designated by a special function module dedicated instruction is not a special function module.

 

2112

(2) The network number specified by the network dedicated

Read error individual information, then check and edit the special

 

Rem

 

instruction does not exist, or the network module is not the

 

 

 

function module (Network module) dedicated instruction that

 

 

 

corresponding one.

 

 

 

 

corresponds to the numerical value there (program error location).

 

 

 

 

(3) Alternatively, it is not the relevant special function module.

 

 

 

 

 

 

 

 

2113

The one specified in the network-dedicated instruction is not a

 

 

 

 

network module, or a relay target network does not exist.

 

 

 

 

 

 

 

 

 

2114

An instruction, which on execution specifies other stations, has

 

 

 

 

been used for specifying the host station. (An instruction that does

 

 

 

 

 

not allow the host station to be specified).

 

 

 

 

2115

An instruction, which on execution specifies the host station, has

 

 

 

 

been used for specifying other stations. (An instruction that does not

Read the individual information of the error, check the program

 

QCPU

 

 

allow other stations to be specified).

corresponding that value (program error location), and make

 

function

 

 

• An instruction that does not allow the module under the control of

 

Ver. B

 

 

correction.

 

 

2116

another station to be specified is being used for a similar task.

 

or later

 

 

 

 

• Instruction was executed for the A or QnA module under control of

 

 

 

 

 

 

 

 

 

 

another station.

 

 

 

 

2117

A CPU module that cannot be specified in the instruction dedicated

 

 

 

 

to the multiple CPU system was specified.

 

 

 

 

 

 

 

 

 

2120

The location of Q B and QA1S B is improper.

Check the location of the base unit.

 

 

 

2121

The CPU module is installed at other than the CPU slot or slots 0 to

Check the loading position of the CPU module and reinstall it at the

 

 

 

2.

correct slot.

 

 

 

 

 

 

 

2122

QA1S B is used to the main base unit.

Use Q3 B as the main base unit.

 

 

 

 

(1) A module is installed at 65th or higher slot.

(1) Remove the module installed at 65th or later slot.

 

 

 

 

(2) Remove the module installed at the slot later than the number of

 

 

 

 

(2) A module is installed at the slot later than the number of slots

 

QCPU

 

 

slots specified with base allocation setting.

 

 

2124

specified with base allocation setting.

(3) Remove the module installed at the I/O points later than the

 

Rem

 

(3) A module is installed at the I/O points later than the 4,096th

 

 

 

4,096th point.

 

 

 

 

point.

 

 

 

 

(4) Change the last module to a module which does not exceed the

 

 

 

 

(4) A module installed at the 4,096th point occupies higher points.

 

 

 

 

4,096th point.

 

 

 

 

 

 

 

 

 

(1) A module which the QCPU cannot recognise has been installed.

(1) Install a module which can be used with the CPU.

 

 

 

2125

(2) The intelligent function module is experiencing hardware

 

 

 

(2) There was no response form the intelligent function module.

 

 

 

 

problems. Contact your nearest Mitsubishi representative.

 

 

 

 

 

 

 

 

 

CPU module locations in a multiple CPU system are either of the

(1) Eliminate empty slots between the CPU modules. (Set empty

 

 

 

 

following.

slots on the right side of the CPU modules.)

 

 

 

2126

(1) There are empty slots between the QCPU and QCPU/motion

(2) Remove the modules, which are not the QCPU modules, loaded

 

 

 

controller.

between the QCPU modules, and fit the slots with the QCPUs.

 

QCPU

 

 

 

 

 

(2) Modules other than the QCPU (including the motion controller)

Load the motion controller modules on the right side of the

 

function

 

 

modules are loaded between the QCPU modules.

QCPUs.

 

Ver. B

 

 

In a multiple CPU system, the control PLC of the intelligent function

(1) Change the intelligent function module for the one compatible

 

or later

 

 

with the multiple CPU system (function version B).

 

 

 

2150

module incompatible with the multiple CPU system is set to other

 

 

 

(2) Change the setting of the control CPU of the intelligent function

 

 

 

 

than station 1.

 

 

 

 

module incompatible with the multiple CPU system to station 1.

 

 

 

 

 

 

 

 

 

There is no parameter file at the drive designated by DIP switches

Check and correct the setting of the parameter enabled drive

 

 

 

2200

switch.

 

 

 

as a valid drive.

Put a parameter file in the drive designated by the parameter

 

 

 

 

 

 

 

 

 

enabled drive switch.

 

 

 

 

The contents of the boot file are incorrect.

Check the boot setting.

 

QCPU

 

2210

There is no boot file in the drive designated by the parameter

Check and correct the setting of the parameter enabled drive

 

 

 

switch.

 

QnA

 

 

enabled drive switch even though the Boot DIP switch is ON.

Put a boot file in the drive designated by the parameter enabled

 

 

 

 

 

 

 

 

drive switch.

 

 

 

 

(1) A memory card was removed without switching the memory

(1) Remove memory card after placing the memory card in/out

 

 

 

 

card in/out switch OFF.

 

 

 

2300

switch OFF.

 

 

 

(2) The memory card in/out switch is turned ON although a memory

 

 

 

 

(2) Turn on the card insert switch after inserting a memory card.

 

 

 

 

card is not actually installed.

 

 

 

 

 

 

 

 

2301

(1) The memory card has not been formatted.

(1) Format memory card.

 

 

 

(2) Memory card format status is incorrect.

 

 

 

 

(2) Reformat memory card.

 

 

 

 

A memory card that cannot be used with the CPU module has been

 

 

 

2302

Check memory card.

 

 

 

installed.

 

 

 

 

 

 

 

 

 

Automatic write to standard ROM was performed on the CPU

(1) Execute automatic write to standard ROM on the CPU module

 

 

 

 

which is compatible with automatic write to standard ROM.

 

QCPU

 

 

module that is incompatible with automatic write to standard ROM.

(2) Using GX Developer, perform write of parameters and programs

 

 

 

 

function

 

 

(Memory card where automatic write to standard ROM was

to standard ROM.

 

 

 

 

Ver. B

 

 

selected in the boot file was fitted and the parameter enable drive

(3) Change the memory card for the one where automatic write to

 

 

 

 

or later

 

 

was set to the memory card.)

standard ROM has not been set, and perform boot operation

 

 

 

 

 

 

2400

 

from the memory card.

 

 

 

 

Read the error individual information at the peripheral device, check

 

 

 

 

The file designated at the PLC file settings in the parameters cannot

to be sure that the parameter drive name and file name correspond

 

 

 

 

to the numerical values there (parameter number), and correct.

 

 

 

 

be found.

Create a file created using parameters, and load it to the CPU

 

 

 

 

 

module.

 

 

 

 

The Ethernet parameter that was added for QnACPU, with the

Change to QnACPU with the function version "B." Delete the

 

 

 

 

function version "B," has been set to QnACPU without the function

 

QnA

 

 

Ethernet parameter.

 

 

 

version "B."

 

 

 

 

 

 

 

1 Characters in parentheses ( ) indicate the special register numbers where individual information is being stored.

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