YASKAWA CC-Link Installation Manual page 55

Table 21 LED Fault Display for CC-Link Option with Multiple Drives
LED Status
Remote Device Addresses
Master
Station 1
L.RUN
SD
RD
L.ERR×
L.RUN×
SD×
RD×
L.ERR×
L.RUN∗
SD∗
RD∗
L.ERR∗
TIME
L.RUN
LINE
SD
or
RD
TIME×
L.ERR×
LINE
L.RUN×
SD∗
RD∗
L.ERR×
L.RUN×
SD∗
RD∗
L.ERR∗
L.RUN×
SD∗
RD
L.ERR×
L.RUN
SD
RD
L.ERR×
YASKAWA ELECTRIC TOBP C730600 83C YASKAWA AC Drive Option SI-C3 Installation Manual
(CC-Link Option)
Station 2 Station 3
L.RUN L.RUN
SD SD
RD RD
L.ERR× L.ERR×
L.RUN L.RUN
SD SD
RD RD
L.ERR× L.ERR×
L.RUN L.RUN
SD SD
RD RD
L.ERR× L.ERR×
L.RUN× L.RUN×
SD∗ SD∗
RD∗ RD∗
L.ERR× L.ERR×
L.RUN× L.RUN×
SD∗ SD∗
RD∗ RD∗
L.ERR× L.ERR×
L.RUN× L.RUN×
SD∗ SD∗
RD∗ RD∗
L.ERR∗ L.ERR∗
L.RUN L.RUN×
SD SD∗
RD RD
L.ERR× L.ERR×
L.RUN× L.RUN
SD× SD
RD RD
L.ERR× L.ERR×
: On / : Flashing / ×: Off / ∗: Either on or off
Cause
Normal operation
The CC-Link Option for the
first station is not properly
installed.
The CC-Link Option for the
first station is damaged
(most often all LEDs are
out).
Note: Sometimes an
error will appear
on the drive's
keypad
Because L.RUN after Station
2 is off, either the comm.
line between Station 1 and
Station 2 is disconnected, or
the connector has come
loose.
Communication cable has
short-circuited
Communication cable is not
wire properly
The CC-Link Options for
Station 1 and Station 3 have
been assigned the same
address.
The CC-Link Option for
Station 2 has a different
communication speed setting
than the master device.
9 Troubleshooting
Corrective Action
–
Make sure the CC-Link
Option and drive are
connected together properly.
Replace the CC-Link
Option.
Make sure components are
connected correctly, using
the LEDs as a guide to
indicate a proper connection.
Look for any
short-circuits along the
communication lines and fix
any problems.
Check the wiring for the
CC-Link Option connector
and fix and mistakes.
Enter the correct station
address and cycle power.
Set the correct
communication speed and
cycle power.
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