Mitsubishi Electric Q13UDVCPU - Page 341

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APPENDICES
A
Appendix 1 Error Codes Appendix 1.4 List of error codes (2000 to 2999)
2120
[SP.UNIT LAY ERR.]
• The Q5B and Q6B, or the QA1S5B,
QA1S6B, QA1S6ADP+A1S5B/A1S6B,
QA6B and QA6ADP+A5B/A6B are
connected in the wrong order, or the setting of
the extension level setting connector is
incorrect.
• I/O numbers for Q series modules and A series
modules are assigned in the wrong order.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• At power-on/At reset
• Check and correct the connection order of
the base units and the setting of the
extension level setting connector.
• Assign I/O numbers in an order of: Q series
modules  A series modules or A series
modules  Q series modules.
RUN: Off
ERR.:Flashing
CPU Status:Stop
Q00J/Q00/Q01
Qn(H)
QnPH
QnU
[SP.UNIT LAY ERR.]
• The LA1S extension base unit is connected in
the wrong position, or the setting of the
extension level setting connector is incorrect.
• I/O numbers for L series modules and
AnS/QnAS series modules are assigned in the
wrong order.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• At power-on/At reset
• Check and correct the connecting position
of the LA1S extension base unit and the
setting of the extension level setting
connector.
• Assign I/O numbers in an order of: L series
modules  AnS/QnAS series modules or
AnS/QnAS series modules  L series
modules.
LCPU
2121
[SP.UNIT LAY ERR.]
The CPU module is installed to other than the
CPU slot and slots 0 to 2.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• At power-on/At reset
Check the loading position of the CPU
module and reinstall it at the correct slot.
RUN: Off
ERR.:Flashing
CPU Status:Stop
Qn(H)
QnPH
2122
[SP.UNIT LAY ERR.]
The QA1S3B is used as the main base unit.
■
Collateral information
•
Common information: -
• Individual information: -
■Diagnostic timing
• At power-on/At reset
Replace the main base unit with a usable
one.
RUN: Off
ERR.:Flashing
CPU Status:Stop
Qn(H)
QnPH
QnPRH
QnU
Error
code
Error and cause Corrective action
LED status,
CPU status
Corresponding
CPU