Download MELSEC iQ-R CC-Link System Master/Local Module User`s Manual

4
TROUBLESHOOTING
This chapter describes how to identify and remove the cause of an error in the master/local module.
4.1
Checking with LED
Start
Master station
RUN on
NO
Troubleshoot the problem with reference
to "Troubleshooting when the RUN LED
on the master station is off".*1
YES
Master station
L RUN on
When a CC-Link system is
newly configured or the existing
CC-Link system is changed
NO
When the CC-Link system
has operated
YES
Master station
SD on, RD on
YES
A1-1, A1-3
NO
A1-6*3
Master station
ERR. on
YES
NO
Master station
L ERR. flashing
YES
NO
Master station
ERR. flashing
Slave station
RD flashing
B1-3, B1-4
A1-1, A1-2, A1-3, A1-4*3,
A1-6*3, A1-8, A3-2*3,
A3-3, A3-5, A3-6
YES
NO
A1-1, A1-5, A1-7, A3-1,
A3-4
NO
B1-1*3, B1-2, B1-5
A2-5, A2-6, A2-10,
A4-1, A4-2
B2-1, B2-2, B2-4
YES
Slave station
L ERR. on
YES
A2-1, A2-2
NO
Slave station
L ERR. flashing
YES
A2-5, A2-7, A4-3
B2-2, B2-3
A2-3, A2-4*3, A2-9,
A2-10, A4-4, A4-5
B2-4
NO
Slave station
SD flashing
All slave stations
L RUN on
NO
NO
YES
A2-1, A2-2, A2-4*3
YES
Troubleshoot using an engineering
tool*2
*4
*1
*2
*3
*4
96
Page 97 When the RUN LED of the master station turns off
Page 98 Checking the Module Status
Engineering tool is required to check the error details.
The item corresponds to the number of the check item for when a slave station is disconnected. Refer to the corresponding check item
and take the action. ( Page 116 When a slave station is disconnected)
4 TROUBLESHOOTING
4.1 Checking with LED