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11. TROUBLESHOOTING
11.1 Troubleshooting Basics
11.2 Troubleshooting
11.2.1 Troubleshooting flowchart
11.2.2 Flowchart when "MODE" LED is not turned on
11.2.3 When "MODE" LED is flickering
11.2.4 Flowchart when "POWER" LED is turned off
11.2.5 Flowchart when the "RUN" LED is turned off
11.2.6 When the "RUN" LED is flickering
11.2.7 Flowchart when "ERR." LED is on/flickering
11.2.8 When "USER" LED is turned on
11.2.9 When "BAT." LED is turned on
11.2.10 When "BOOT" LED is flickering
11.2.11 When output module LED is not turned on
11.2.12 Flowchart when output load of output module does not turn on
11.2.13 Flowchart when unable to read a program
11.2.14 Flowchart when unable to write a program
11.2.15 Flowchart when it is unable to perform boot operation from memory card
11.2.16 Flowchart when UNIT VERIFY ERR. occurs
11.2.17 Flowchart when CONTROL BUS ERR. occurs
11.3 Error Code List
11.3.1 Procedure for reading error codes
11.3.2 Error code list
11.4 Canceling of Errors
11.5 I/O Module Troubleshooting
11.5.1 Input circuit troubleshooting
11.6 Special Relay List
11.7 Special Register List
APPENDICES
APPENDIX 1 Error Code Return to Origin During General Data Processing
APPENDIX 1.1 Error code overall explanation
APPENDIX 1.2 Description of the errors of the error codes (4000
H
to 4FFF
H
)
APPENDIX 2 External Dimensions Diagram
APPENDIX 2.1 CPU module
APPENDIX 2.2 Power supply module
APPENDIX 2.3 Main base unit
APPENDIX 2.4 Extension base unit
APPENDIX 3 Upgraded Functions of High Performance model QCPU
APPENDIX 3.1 Specification comparison
APPENDIX 3.2 Function comparison
APPENDIX 3.3 Usability of added functions depending on GX Developer version
INDEX
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