Mitsubishi AJ65BT-64RD3 User Manual page 130

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6 TROUBLESHOOTING
1
*1 Check for a short, reversed connection, wire breakage, terminal resistor, FG connection,
overall distance and station-to-station distance.
2
N
Is the "L RUN" LED lit?
Y
station number
setting switches properly
(not overlapping with
other stations)?
Is the transmission speed
setting correct?
Is the communication
cable wired properlly ?
Corresponding module malfunction
( Transmission speed setting switch )
Are the
station number
N
setting switches properly
(not overlapping with
other stations)?
Y
Corresponding module malfunction
( station number setting switch )
Are the
N
Set the station number
setting switches properly
Y
N
Y
Set the correct transmission speed
Turn on the power again
N
*1
Wire the communication
Y
cable properly
Set the station number
setting switches properly
End
6 - 6
MELSEC-A
Turn on the power again
Turn on the power again
3