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12.1 Error Code List
12.1.4 Error code list (2000 to 2999)
2106
[SP. UNIT LAY ERR.]
• Five or more MELSECNET/H modules have
been installed.
• Five or more Ethernet interface modules have
been installed.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Reduce the number of MELSECNET/H modules
to four or less.
• Reduce the number of Ethernet modules to four
or less.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Qn(H)
QnPH
QnPRH
[SP. UNIT LAY ERR.]
• Two or more MELSECNET/H modules were
installed.
• Two or more Ethernet modules were installed.
• Three or more CC-Link modules were installed.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Reduce the MELSECNET/H modules to one or
less.
• Reduce the Ethernet modules to one or less.
• Reduce the CC-Link modules to two or less.
Q00J/Q00/Q01
[SP. UNIT LAY ERR.]
• The same network number or same station
number is duplicated in the MELSECNET/H
network system.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
• Check the network number and station number.
Q00J/Q00/Q01
Qn(H)
QnPH
QnPRH
2107
[SP. UNIT LAY ERR.]
The start X/Y set in the PLC parameter’s I/O
assignment settings is overlapped with the one for
another module.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Make the PLC parameter’s I/O assignment setting
again so it is consistent with the actual status of the
intelligent function module/special function
modules.
QCPU
2108
[SP. UNIT LAY ERR.]
• Network module A1SJ71LP21, A1SJ71BR11,
A1SJ71AP21, A1SJ71AR21, or A1SJ71AT21B
dedicated for the A2USCPU has been installed.
• Network module A1SJ71QLP21 or
A1SJ71QBR11 dedicated for the Q2AS has been
installed.
■Collateral information
• Common Information:Module No. (Slot No.)
• Individual Information:–
■Diagnostic Timing
• At power ON/At reset
Replace the network module for the A2USCPU or
the network module for the Q2ASCPU with the
MELSECNET/H module.
Qn(H)
Error
Code
(SD0)
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU