YASKAWA Sigma-7 SGD7S Series - Page 627

Alarm Code Alarm Name Possible Cause Confirmation Correction Reference
A failure occurred in
the SERVOPACK.
– Replace the SERVO-
PACK.
A.E71
(1E71h)
Safety Option
Module Detec-
tion Failure
There is a faulty con-
nection between the
SERVOPACK and the
Safety Option Module.
Check the connec-
tion between the
SERVOPACK and
the Safety Option
Module.
Correctly connect the
Safety Option
Module.
–
The Safety Option
Module was discon-
nected.
– Execute Fn014
(Reset Option
Module Configura-
tion Error) from the
Digital Operator or
SigmaWin+ and then
turn the power
supply OFF and ON
again.
Ä Chap. 16.4.7
‘Resetting
Alarms
Detected in
Option Modules’
page 633
A failure occurred in
the Safety Option
Module.
– Replace the Safety
Option Module.
–
A failure occurred in
the SERVOPACK.
– Replace the SERVO-
PACK.
–
A.E72
(1E72h)
Feedback
Option Module
Detection
Failure
There is a faulty con-
nection between the
SERVOPACK and the
Feedback Option
Module.
Check the connec-
tion between the
SERVOPACK and
the Feedback Option
Module.
Correctly connect the
Feedback Option
Module.
–
The Feedback Option
Module was discon-
nected.
– Reset the Option
Module configuration
error and turn the
power supply to the
SERVOPACK OFF
and ON again.
Ä Chap. 16.4.7
‘Resetting
Alarms
Detected in
Option Modules’
page 633
A failure occurred in
the Feedback Option
Module.
– Replace the Feed-
back Option Module.
–
A failure occurred in
the SERVOPACK.
– Replace the SERVO-
PACK.
–
A.E74
(1E74h)
Unsupported
Safety Option
Module Alarm
A failure occurred in
the Safety Option
Module.
– Replace the Safety
Option Module.
–
An unsupported
Safety Option Module
was connected.
Refer to the manual
for the connected
Safety Option
Module.
Connect a supported
Safety Option
Module.
–
A.E75
(1E75h)
Unsupported
Feedback
Option Module
Alarm
A failure occurred in
the Feedback Option
Module.
– Replace the Safety
Option Module.
–
An unsupported Feed-
back Option Module
was connected.
Refer to the catalog
for the connected
Feedback Option
Module or the SER-
VOPACK manual.
Connect a supported
Feedback Option
Module.
–
Sigma-7 Series SERVOPACKs
Maintenance
Alarm Displays > Troubleshooting Alarms
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