Mitsubishi Electric Melsec A Series - Page 166

9. TROUBLESHOOTING
MELSEC-A
Cause of error
Hardware error
See the error code list for
corrective action.
I
Software error
Re.et with the RUN key
.wltch.
YES
Move the RUN key switch
to STOP.
Correct.
Correct error cause.
Move the RUN key switch
to RUN.
YES
Consult the sales repre-
sentative with details.
Completed
YES (Communication enabled)
Consult the sales
representative
with details.
NO
NO (Communication
di.abled)
00 twisted-pair
cables connect SOA to
RDB~'-:~:----_-----l
and SOB to RDA?
Correct connection of
twisted-pair cables.
9-7