②Check 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.

YES

FAULT lamp turns ON

 

Exchange master module

 

NO

Monitor “individual communication flag” See page 9·55 in support tool.

Error only 1 station

NO

Check and exchange the “bus YES cable” and “branch cable” to the station with the error or the

“station error module where the error occurred.”

At plural station error

9

See next page

9·64