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16-3
(2) Check cable/connector
As errors on the junction from the main cable to the drop cable or the contact failure on the
connecting point of each station or errors of the master module are assumed, check with the
following procedure.
Error only 1 station
Monitor individual communication flag
in support tool.
NO
NO
YES
YES
Exchange master module
At plural station error
Check and exchange the bus
cable and branch cable to
the station with the error or the
station error module where
the error occurred.
UNT. E lamp turns ON
See next page
See page 12-2