Mitsubishi Electric MELSEC Q Series Reference Manual page 559

If it is difficult to identify the error cause, perform the CC IE Control diagnostics after the circuit test. (
Section 5.6.1)
(2) Adding station to a network
(a) When a programming tool connected station is normally operating
Control
station Selected Normal station
No.1 station No.2
Added station
Control station Normal station
No.4 No.3
Control station Normal station
No.1 No.2
Added station
Control Normal station
Selected
station No.3
station
No.4
Select the own station.
An error has occurred in the station No.4.
Select the station No.4.
Click the error details button.
The Error Factor field indicates that a station other than the station No.4 has
been also set as the control station.
Take corrective actions according to the troubleshooting.
CHAPTER 10 TROUBLESHOOTING
Page 165,
557
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