YASKAWA SGD7S Product Manual page 479
E-7-series
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14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.E02:
Command Option
Module IF Syn-
chronization Error
1
A.E03:
Command Option
Module IF Com-
munications Data
Error
A.E70:
Command Option
Module Detec-
tion Failure
14-38
Possible Cause
Fluctuations in the
communications sys-
tem of the host con-
troller that is
connected to the
Command Option
–
Module changed the
synchronization tim-
ing between the SER-
VOPACK and
Command Option
Module.
There is a faulty con-
Check the connection
nection between the
between the SERVO-
SERVOPACK and the
PACK and the Com-
Command Option
mand Option Module.
Module.
A failure occurred in
the Command Option
–
Module.
A failure occurred in
–
the SERVOPACK.
Noise caused a com-
munications error
between the SERVO-
–
PACK and the Com-
mand Option Module.
There is a faulty con-
Check the connection
nection between the
between the SERVO-
SERVOPACK and the
PACK and the Com-
Command Option
mand Option Module.
Module.
A failure occurred in
the Command Option
–
Module.
A failure occurred in
–
the SERVOPACK.
There is a faulty con-
Check the connection
nection between the
between the SERVO-
SERVOPACK and the
PACK and the Com-
Command Option
mand Option Module.
Module.
A Command Option
Module is not con-
–
nected.
A failure occurred in
the Command Option
–
Module.
A failure occurred in
–
the SERVOPACK.
Confirmation
Turn the power supply
OFF and ON again. If the
alarm still occurs, restart
communications process-
ing at the host controller.
Correctly connect the
Command Option Mod-
ule.
Replace the Command
Option Module.
Replace the SERVO-
PACK.
Implement countermea-
sures against noise.
Correctly connect the
Command Option Mod-
ule.
Replace the Command
Option Module.
Replace the SERVO-
PACK.
Correctly connect the
Command Option Mod-
ule.
Correctly connect the
Command Option Mod-
ule.
Replace the Command
Option Module.
Replace the SERVO-
PACK.
Continued from previous page.
Correction
Reference
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Continued on next page.
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Table of Contents
Troubleshooting
