Toshiba V Series User Manual page 21

Sequence controllers
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6F8C0836
6 Troubleshooting . . . . . . . . . . . . . . . . . . 163
6.1 Troubleshooting procedure . . . . . . . . . . . . . . . . . . . 163
6.2 Checking the power supply . . . . . . . . . . . . . . . . . . . 164
6.3 Checking the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . 165
6.4 Checking user program . . . . . . . . . . . . . . . . . . . . . . 166
6.5 Checking input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
6.6 Checking output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
6.7 Troubles due to external factors . . . . . . . . . . . . . . . 169
6.8 RAS Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
6.8.1 Initial check error . . . . . . . . . . . . . . . . . . . . . . . . . 170
6.8.2 Entry of event log/error log . . . . . . . . . . . . . . . . . . 171
6.8.3 I/O module error detection . . . . . . . . . . . . . . . . . . 172
6.8.4 Self-check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
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