Sharp JW-20CM User Manual page 162

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.
9
FAULT lamp turns ON
NO
Monitor "individual communication flag"
in support tool.
Error only 1 station
NO
At plural station error
See next page
YES
Exchange master module
See page 9·55
Check and exchange the "bus
cable" and "branch cable" to
YES
the station with the error or the
"station error module where
the error occurred."
9 64
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