YASKAWA SGD7S-1R9D Product Manual page 517

Alarm Code:
Possible Cause
Alarm Name
Fluctuation in the Eth-
erCAT communica-
tions synchronization
EA2 hex:
timing (Sync0) caused
Command-
the synchronization
Option IF Servo
timing in the SERVO-
Synchronization
PACK to fluctuate.
Error
A failure occurred in
the SERVOPACK.
Noise caused an error
EA3 hex:
in communications in
Command-
the SERVOPACK.
Option IF Servo
A failure occurred in
Data Error
the SERVOPACK.
The delay between
activation of the
/HWBB1 and
Eb1 hex:
/HWBB2 input sig-
Safety Function
nals for the HWBB
Signal Input Tim-
was ten second or
ing Error
longer.
A failure occurred in
the SERVOPACK.
EC8 hex:
Gate Drive Error 1
(An error
occurred in the
gate drive circuit.)
EC9 hex:
A failure occurred in
Gate Drive Error the SERVOPACK.
2
(An error
occurred in the
gate drive cir-
cuit.)
Ed1 hex:
A timeout error
occurred for an Ether-
Command Exe-
CAT command.
cution Timeout
The three-phase
power supply wiring is
F10 hex:
not correct.
Power Supply
The three-phase
Line Open Phase
power supply is
(The voltage was
unbalanced.
low for more than
one second for
phase R, S, or T
when the main
A failure occurred in
power supply
the SERVOPACK.
was ON.)
Confirmation
Turn the power supply
OFF and ON again and re-
–
establish communica-
tions.
Repair or replace the
–
SERVOPACK.
Implement countermea-
–
sures against noise.
Replace the SERVO-
–
PACK.
The output signal circuits
or devices for /HWBB1
and /HWBB2 or the SER-
VOPACK input signal cir-
Measure the time delay cuits may be faulty.
between the /HWBB1 Alternatively, the input sig-
and /HWBB2 signals. nal cables may be discon-
nected. Check to see if
any of these items are
faulty or have been dis-
connected.
Replace the SERVO-
–
PACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Execute the Servo ON
Check the motor status command (Enable Opera-
when the command is tion command) only when
executed. the motor is not operat-
ing.
Check the power sup- Make sure that the power
ply wiring. supply is correctly wired.
Measure the voltage for
each phase of the Balance the power sup-
three-phase power sup- ply by changing phases.
ply.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
15.2 Alarm Displays
15.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
–
–
–
–
–
–
–
page 4-11
–
–
Continued on next page.
15
15-37