Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - MECHATROLINK-II Communications Reference - Manual (Page 317)

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