YASKAWA CC-Link SI-C3, Installation Manual

Page: 61 / 139

9 Troubleshooting
YASKAWA TOEP C730600 83A CC-Link Installation Manual 61
LED Status
Cause Possible Solutions
Master
Remote Device Addresses (Option)
Station 1 Station 2 Station 3
RD
L.ERR
○
×
RD
L.ERR
＊
＊
×
RD
L.ERR
*
×
between Station 1 and
Station 2 is disconnected, or
the connector is loose. as a guide to indicate a
correct connection.
L.RUN
SD
RD
L.ERR
×
*
*
×
L.RUN
SD
RD
L.ERR
×
*
*
×
L.RUN
SD
RD
L.ERR
×
*
*
×
Communication cable has
short-circuited.
Look for any short-circuits
along the communication
lines and fix any problems.
L.RUN
SD
RD
L.ERR
×
*
*
*
L.RUN
SD
RD
L.ERR
×
*
*
*
L.RUN
SD
RD
L.ERR
×
*
*
*
Communication cable is not
wired correctly.
Check the wiring for the
CC-Link Option connector
and fix any mistakes.
L.RUN
SD
RD
L.ERR
×
*
○
*
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
×
*
○
×
Options for Station 1 and
Station 3 are assigned the
same address.
Enter the correct station
address and cycle power.
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
×
×
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
Option for Station 2 has a
different communication
speed setting than the
master device.
Set the correct
communication speed and
cycle power.
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
□
The settings for the Option
connected to Station 3 were
changed without cycling
power.
• Return any incorrect
settings to their original
values and cycle power.
• Enter the correct
settings and cycle
power.
L.RUN
SD
RD
L.ERR
×
×
○
○
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
×
Parameters related to the
Option (
F6-10 [CC-Link
Node Address] , F6-11 [CC-
Link Communication
Speed]
) for Station 1 are set
outside the acceptable
range.
Set F6-10 and F6-11
correctly and cycle power.
TIME
LINE ×
TIME
LINE ×
or
TIME
LINE ○
L.RUN
SD
RD
L.ERR
○
○
○
×
L.RUN
SD
RD
L.ERR
○
○
○
○
L.RUN
SD
RD
L.ERR
○
○
○
×
The Option connected to
Station 2 is experiencing
electrical noise interference.
(L.RUN is sometimes OFF)
Make sure that the options,
drives, and master device
are all grounded correctly.