YASKAWA E-V-MD Series User Manual page 274

10 Maintenance, Inspections, and Troubleshooting
10.2.2 Troubleshooting of Alarms
Alarm Number:
Alarm Name
(Alarm Description)
A.E61:
MECHATROLINK
Transmission Cycle
Error
(Synchronization
interval error)
A.E63:
MECHATROLINK
Synchronization
Frame Not Received
Alarm
A.Ed1:
Command Execution
Timeout
10-14
Cause
MECHATROLINK transmission
cycle fluctuated.
A SERVOPACK fault occurred.
MECHATROLINK wiring is
incorrect.
MECHATROLINK data recep-
tion error occurred due to noise
interference.
A SERVOPACK fault occurred.
A timeout error occurred when
using an MECHATROLINK
command.
Investigative Actions
Check the MECHATROLINK
transmission cycle setting.
−
Check the MECHATROLINK wir-
ings.
−
−
Check the motor status when the
command is executed.
(cont'd)
Corrective Actions
Remove the cause of transmission
cycle fluctuation at host controller.
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Correct the MECHATROLINK wir-
ing.
Take measures against noise. Check
the MECHATROLINK communi-
cations cable and FG wiring and
take measures such as adding ferrite
core on the MECHATROLINK
communications cable.
Restart the SERVOPACK. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Execute the SV_ON or SENS_ON
command only when the motor is
not running.