User`s manual

Error code list Troubleshooting
MELSEC System Q, Hardware 11 – 95
7011
MULTI EXE. ERROR
The system configuration for using the Multiple
CPU high speed transmission function is not
met.
– The QnUCPU is not used for the CPU No.1.
– The Multiple CPU high speed main base unit
Q3BD is not used.
– Points other than 0 is set to the send range
for the CPU module incompatible with the
multiple CPU high speed transmission func-
tion.
– Points other than 0 is set to the send range
for the CPU module incompatible with the
multiple CPU.
 Collateral information
 Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
– Change the system configuration to meet the
conditions for using the Multiple CPU high
speed transmission function.
– Set the send range of CPU, that does not cor-
respond to multiple CPU compatible area, at 0
point, when performing automatic refreshing
in multiple CPU compatible area.
OFF Flicker Stop QnU (except
Q00UJ-, Q00U-,
Q01U- and
Q02UCPU)
7013
MULTI EXE. ERROR
The Q172(H)CPU(N) or Q173(H)CPU(N) is
mounted to the CPU slot or slots 0 to 2.
(The module may break down.)
 Collateral information
 Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
– Check the QCPU and Motion CPU that can be
used in a multiple CPU system, and change
the system configuration.
– Remove the Motion CPU incompatible with
the multiple CPU system.
OFF Flicker Stop QnU
7020
MULTI CPU ERROR
In the operating mode of a multiple CPU system,
an error occurred in the CPU where "system
stop" was not selected.
(The CPU module where no error occurred was
used to detect an error.)
 Collateral information

Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
Always
Read the individual information of the error
using GX (IEC) Developer, check the error of the
CPU module resulting in CPU module fault, and
remove the error.
ON ON Continue Q00/Q01
(Function
version is B or
later)
Qn(H)
(Function
version is B or
later)
QnPH
QnU (except
Q00UJCPU)
7030
CPU LAY. ERROR
An assignment error occurred in the CPU-moun-
table slot (CPU slot, I/O slot 0, 1) in excess of the
number of CPU modules specified in the multiple
CPU setting of the PLC parameter dialog box.
 Collateral information

Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
– Set the same value to the number of CPU
modules specified in the multiple CPU setting
of the PLC parameter dialog box and the
number of mounted CPU modules (including
CPU (empty)).
– Make the type specified in the I/O assignment
setting of the PLC parameter dialog box con-
sistent with the CPU module configuration.
OFF Flicker Stop Q00J/Q00/Q01
(Function
version is B or
later)
QnU
7031
CPU LAY. ERROR
An assignment error occurred within the range
of the number of CPUs specified in the multiple
CPU setting of the PLC parameter dialog box.
 Collateral information

Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
– Set the same value to the number of CPU
modules specified in the multiple CPU setting
of the PLC parameter dialog box and the
number of mounted CPU modules (including
CPU (empty)).
– Make the type specified in the I/O assignment
setting of the PLC parameter dialog box con-
sistent with the CPU module configuration.
OFF Flicker Stop Q00J/Q00/Q01
(Function
version is B or
later)
QnU
7032
CPU LAY. ERROR
The number of CPU modules mounted in a mul-
tiple CPU system is wrong.
 Collateral information

Common Information: Module No. (CPU No.)
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
Configure a system so that the number of
mountable modules of each CPU module does
not exceed the maximum number of mountable
modules specified in the specification.
OFF Flicker Stop Q00/Q01
(Function
version is B or
later)
QnU (except
Q00UJCPU)
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-9: Error code list (7000 to 10000) for PLC CPUs of MELSEC System Q