YASKAWA SGMJV User Manual page 319

9 Troubleshooting
9.1.2 Troubleshooting of Alarms
Alarm Number:
Alarm Name
A.E50:
MECHATROLINK
Synchronization Error
A.E51:
MECHATROLINK
Synchronization
Failed
A.E60:
MECHATROLINK
Communications error
(Reception error)
A.E61:
MECHATROLINK
Transmission Cycle
Error
(Synchronization
interval error)
A.E71:
Safety Option Module
Detection Failure
A.E72:
Feedback Option
Module Detection
Failure
9-20
Cause
WDT data of host controller was
not updated correctly.
A SERVOPACK fault occurred.
WDT data of host controller was
not updated correctly at the syn-
chronization communications
start, and synchronization com-
munications could not start.
A SERVOPACK fault occurred.
MECHATROLINK wiring is
incorrect.
MECHATROLINK data recep-
tion error occurred due to noise
interference.
A SERVOPACK fault occurred.
MECHATROLINK transmission
cycle fluctuated.
A SERVOPACK fault occurred.
The connection between the
SERVOPACK and the safety
option module is faulty.
The safety option module was
disconnected.
A safety option module fault
occurred.
A SERVOPACK fault occurred.
The connection between the
SERVOPACK and the Feedback
Option Module is Faulty.
The Feedback Option Module
was disconnected.
A Feedback Option Module fault
occurred.
A SERVOPACK fault occurred.
Investigative Actions
Check the WDT data updating for
the host controller.
−
Check the WDT data updating for
the host controller.
−
Check the MECHATROLINK wir-
ings.
−
−
Check the MECHATROLINK
transmission cycle setting.
−
Check the connection between the
SERVOPACK and the safety option
module.
–
–
–
Check the connection between the
SERVOPACK and the Feedback
Option Module.
−
−
−
(cont'd)
Corrective Actions
Update the WDT data at the host
controller correctly.
Turn the power supply to the SER-
VOPACK OFF and ON again. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Update the WDT data at the host
controller correctly.
Turn the power supply to the SER-
VOPACK OFF and ON again. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Correct the MECHATROLINK wir-
ing.
Connect the terminator correctly.
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.
Turn the power supply to the SER-
VOPACK OFF and ON again. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Remove the cause of transmission
cycle fluctuation at host controller.
Turn the power supply to the SER-
VOPACK OFF and ON again. If the
alarm still occurs, the SERVO-
PACK may be faulty. Replace the
SERVOPACK.
Correctly connect the safety option
module.
Execute Fn014 (Resetting configu-
ration error in option module) from
the digital operator or SigmaWin+,
and then turn the power supply OFF
and ON again.
Replace the safety option module.
Replace the SERVOPACK.
Correctly connect the Feedback
Option Module.
Execute Fn014 (Resetting configu-
ration error in option module), and
then turn the power supply OFF and
ON again.
Replace the Feedback Option Mod-
ule.
Replace the SERVOPACK.