22.
22 -
13
TROUBLESHOOTING
22.2.11 Flow chart used when the CPU module is not started up
The following shows the flow when the CPU module is not started up.
Completed
NO
YES
NO
YES
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
NO
YES
The CPU module is not started up.
Is the power supply
module LED ON?
Are all the power of the power
supply modules ON? Is the power supply
module wired correctly?
Try to connect the peripheral device.
Is it available
to communicate with
the peripheral device?
Is the extension cable
connected to the incorrect
direction? (Connected IN and
IN, or OUT and OUT?)
Is the RUN/STOP key
switch of the CPU
module at RESET?
at RESET
Not at RESET
Switch the power supply module and
confirm the LED lights.
Is CPU module started up?
See "Flowchart for actions when
the "POWER" LED is turned OFF".
Review the wiring and turn ON all the
power supply .
Is CPU module started up?
Is CPU module started up?
Is CPU module started up?
Make the PLC diagnosis, and execute
the troubleshooting according to the
result.
Connect the extension cable.
Switch the RUN/STOP key switch
to RUN.
Hardware error of the power supply
module
Possible hardware errors are described below.
1) CPU module
2)Main base unit, Extension base unit
3)Extension cable
4)Network module (Only when installed)
For the malfunctioning module even after executed the serial
operation check from the minimum system, please consult
your local Mitsubishi service center or representative,
explaining a detailed description of the problem.
(Refer to Section 22.2.2.)
Содержание Q2ACPU
Страница 1: ......
Страница 2: ......
Страница 221: ...12 12 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Страница 222: ...12 13 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU ...
Страница 237: ...12 28 12 OVERVIEW OF PROCESSING PERFORMED BY THE QnACPU MEMO ...
Страница 269: ...16 11 16 POWER SUPPLY MODULE 2 Names and description of parts of the A62P A62PEU and A65P module ...
Страница 271: ...16 13 16 POWER SUPPLY MODULE 4 Names and description of parts of the A66P ...
Страница 343: ...21 21 13 MAINTENANCE AND INSPECTION 21 4 2 Replacement of the fuse for an output module ...
Страница 357: ...22 12 22 TROUBLESHOOTING ...
Страница 359: ...22 14 22 TROUBLESHOOTING MEMO ...
Страница 417: ...App 20 APPENDICES 3 Shift instructions Classification Symbol Description n bit shift 1 bit shift 1 word shift ...
Страница 429: ...App 32 APPENDICES Trigonometric function Classification Symbol Description ...
Страница 432: ...App 35 APPENDICES 15 Clock instructions Classification Symbol Description Clock data read write ...
Страница 537: ...App 140 APPENDICES REMARK 1 Message 1 An error code is displayed in 2 Alert 1 3 Alert 2 ...
Страница 538: ...App 141 APPENDICES APPENDIX 6 EXTERNAL DIMENSIONS Appendix 6 1 CPU Module 1 Q3ACPU Q4ACPU modules Unit mm inch ...
Страница 539: ...App 142 APPENDICES 2 Q2ACPU Q2ACPU S1 modules Unit mm inch ...
Страница 541: ...App 144 APPENDICES 2 A66P power supply module Unit mm inch ...
Страница 542: ...App 145 APPENDICES Appendix 6 3 Main Base Unit 1 A32B base unit 2 A32B S1 base unit Unit mm inch Unit mm inch ...
Страница 543: ...App 146 APPENDICES 3 A35B base unit 4 A38B A38HB A38HBEU base unit Unit mm inch Unit mm inch ...
Страница 567: ...MEMO ...
Страница 569: ......
Страница 570: ......