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6-4 Troubleshooting
■System connections check flowchart
Are the connectors and
cables connected
Is the specified
voltage applied or
current supplied?
Is Reset input ON?
Is the RUN LED lit?
Is COMM LED
Start
properly?
YES
YES
NO
YES
flashing?
NO
Is ERR LED
flashing?
NO
OK
NO
Connect the
connector/cable
properly.
NO
Apply the specified
voltage or supply the
specified current.
NO
Turn OFF Reset
i
t
NO
The Reader/Writer
may have failed.
YES
Cancel the Offline
setting.
YES
Set the Reader/Writer setting
values again and write using
EW Command.
6-4
6-6
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