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10 TROUBLESHOOTING
10.5 Troubleshooting when the master station's ERR. LED flashes
The following explains how to troubleshoot the system when the master station's ERR.
LED flashes.
(1) Master station side troubleshooting
Yes
Yes
No
No
No
Master station "ERR." LED flickers
Do the parameter
settings and system
configuration match?
Correct the parameter settings
or mounted system configuration.
Is the master station link
special register SW0080 to SW0083
(remote station data link
state) ON?
Master station may be faulty.
Please consult your local Mitsubishi
representative, explaining a detailed
description of the problem.
Is the master station link
special register SW0098 to SW009B
(station No. duplicate
state) ON?
Check the module for which
SW0098 to SW009B is ON.
Check the module for which
SW0080 to SW0083 is ON.
End
(2) Slave station side troubleshooting (When link special register
(SW0098 to SW009B) turned ON)
No
Yes
Check the module for which SW0098
to SW009B is ON.
Are the station No. setting
switches set correctly?
The module may be faulty.
Please consult your local Mitsubishi
representative, explaining a detailed
description of the problem.
Correctly set the station No. setting switches
Reapply power to or reset slave station.
End