Mitsubishi QJ71LP21 Reference Manual page 285

8 TROUBLESHOOTING
Error
Code Error Contents and Cause
*1
(SD0)
• The module other than special
function module is specified by the
special function module dedicated
instruction.
Or, it is not the corresponding
special function module.
• The module model specified by the
special function module dedicated
instruction and that specified by the
parameter I/O assignment is
different.
2112 • The module other than intelligent
function module/special function
module is specified by the intelligent
function module/special function
module dedicated instruction.
Or, it is not the corresponding
intelligent function module/special
function module.
• There is no network No. specified by
the network dedicated instruction.
Or the relay target network does not
exit.
• The model is incorrectly registered
by the dedicated instruction.
The module other than network
2113 module is specified bythe network
dedicated instruction.
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
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Corrective Action
• Read the individual information of
the error using a peripheral device,
and check the special function
module dedicated instruction
(network instruction) that
corresponds to the value (program
error part) to make modification.
• Set the module model by PLC
parameter I/O assignment according
to the special function module
dedicated instruction setting.
Example) Although AJ71QC24N is
used actually, AJ71QC24 is set.
Read the individual information of the
error using a peripheral device, and
check the special function module /
special function module dedicated
instruction (network instruction) that
corresponds to the value (program
error part) to make modification.
MELSEC-Q
Corresponding
CPU
QnA
QCPU
Rem
QnA
Qn(H)
QnPH
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