Mitsubishi Q2ACPU, User Manual

Page: 369 / 570

22 - 24
22. TROUBLE SHOOTING
2108
[SP. UNIT LAY ERR.]
A(1S)J71LP21 or A(1S)J71BR11 for use with the
AnUCPU network module has been installed.
■ Collateral informationmmon
• Common Information:Module No.(Slot No.)
• Individual Information:–
■
Diagnostic Timing
• At power ON/At reset
Replace the network module to A(1S)J71QLP21 or
A(1S)J71QBR11.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnA
2109
[SP. UNIT LAY ERR.]
The control system and standby system module
configurations are different when a redundant
system is in the backup mode.
■
Collateral informationmmon
• Common Information:Module No.(Slot No.)
• Individual Information:–
■ Diagnostic Timing
• At power ON/At reset
Check the module configuration of the standby
system.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop/
Continue
*2
Q4AR
2110
[SP. UNIT ERROR]
• The location designated by the FROM/TO
instruction set is not the special function module.
• The module that does not include buffer memory
has been specified by the FROM/TO instruction.
• The special function module, Network module
being accessed is faulty.
• Station not loaded was specified using the
instruction whose target was the CPU share
memory.
■
Collateral informationmmon
• Common Information:Module No.(Slot No.)
• Individual Information:Program error location
■ Diagnostic Timing
• When instruction executed
• Read the individual information of the error using
the GX Developer, check the FROM/TO
instruction that corresponds to that numerical
value (program error location), and correct when
necessary.
• The special function module that was accessed
is experiencing a hardware fault. Therefore,
change the faulty module. Alternatively, contact
your local Mitsubishi representative.
RUN:
Off/On
ERR.:
Flicker/On
CPU Status:
Stop/
Continue
*1
QnA
2111
[SP. UNIT ERROR]
• The location designated by a link direct device
(J \ ) is not a network module.
• The I/O module (special function module) was
nearly removed, completely removed, or
mounted during running.
■ Collateral informationmmon
• Common Information:Module No.(Slot No.)
• Individual Information:Program error location
■
Diagnostic Timing
• When instruction executed
2112
[SP. UNIT ERROR]
• 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.
■ Collateral informationmmon
• Common Information:Module No.(Slot No.)
• Individual Information:Program error location
■
Diagnostic Timing
• When instruction executed/STOP RUN
• 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.
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*1 CPU operation can be set in the parameters at error occurrence. (LED indication varies.)
*2 The BAT.ALM LED turns on at BATTERY ERROR.