Omron GX-AD0471, User Manual, Page: 287 / 394

12 - 7
12 Troubleshooting and Maintenance
GX-series EtherCAT Slave Unit User’s Manual
12-
1 T
rou
blesh
oo
ting
12
12-
1-2 Er
ror
s Un
ique
to Each Slave Unit
On
−
B SF
Synchronization error (at
synchronization start)
After checking the following items,
restart the Slave Unit according to
the specification of connected
EtherCAT Master Unit.
•
Is the communications cable
wired correctly?
•
Is the communications cable
exposed to excessive noise?
•
Review set time of Sync Not
Received Timeout Setting
(synchronization error setting).
On
−
SF SF
Communications
synchronization error
After checking the following items,
restart the Slave Unit according to
the specification of connected
EtherCAT Master Unit.
•
Is the communications cable
wired correctly?
•
Is the communications cable
exposed to excessive noise?
•
Review set time of
Communication Error Setting .
On
−
SF SF
Synchronization error (in
operation)
After checking the following items,
restart the Slave Unit according to
the specification of connected
EtherCAT Master Unit.
•
Is the communications cable
wired correctly?
•
Is the communications cable
exposed to excessive noise?
•
Review set time of
Communication Error Setting .
If this does not improve, the Slave
Unit hardware may be damaged.
Replace the applicable Slave Unit.
12-1-2 Errors Unique to Each Slave Unit
Slave Unit type Symptom Cause Measures
All models other than
Encoder Input Slave Units
Some functions are not
reflected even after
parameters have been
set.
The functions enabled by
recycling the power were
changed. Turn ON Slave Unit power
supply again after
changing the setting.
[PWR]
indicator
[L/A IN]
[L/A OUT]
LED
[RUN]
indicator
[ERR]
indicator
Description Actions