15.2 Alarm Displays
15.2.2 Troubleshooting Alarms
15-40
A.E73:
Unsupported
Command Option
Module
A command option
module fault
occurred.
–
Replace the command
option module.
–
A unsupported com-
mand option module
was connected.
–
Connect a compatible
command option module.
–
A.E74:
Unsupported
Safety Option
Module
A safety option mod-
ule fault occurred.
–
Replace the safety option
module.
–
A unsupported safety
option module was
connected.
–
Connect a compatible
safety option module.
–
A.E75
*2
:
Unsupported
Feedback Option
Module
A feedback option
module fault
occurred.
–
Replace the feedback
option module.
–
A unsupported feed-
back option module
was connected.
Refer to the catalog of
the connected feed-
back option module or
the manual of the SER-
VOPACK.
Connect a compatible
feedback option module.
–
A.E80:
Command Option
Module
Unmatched Error
The command option
module was replaced
with a different model.
–
Execute Fn014 (Reset-
ting configuration error of
option module) using the
digital operator or Sig-
maWin+ and turn the
power supply OFF and
then ON again.
–
A.EA2:
Alarm in Current
Communications
between the
INDEXER Module
and SERVO-
PACK 1
An error occurred in
communications
between the INDEXER
Module and SERVO-
PACK during opera-
tion.
–
Take steps to reduce
noise in the system such
as improving frame
ground.
page 15-44
A.EA3:
Alarm in Current
Communications
between the
INDEXER Module
and SERVO-
PACK 2
An error occurred in
communications
between the INDEXER
Module and SERVO-
PACK during opera-
tion.
–
Take steps to reduce
noise in the system such
as improving frame
ground.
page 15-44
A.Eb1:
Safety Function
Signal Input Tim-
ing Error
The delay between
activation of the
/HWBB1 and
/HWBB2 input sig-
nals for the HWBB
was ten second or
longer.
Measure the time delay
between the /HWBB1
and /HWBB2 signals.
The output signal circuits
or devices for /HWBB1
and /HWBB2 or the SER-
VOPACK input signal cir-
cuits may be faulty.
Alternatively, the input sig-
nal cables may be discon-
nected. Check to see if
any of these items are
faulty or have been dis-
connected.
–
A failure occurred in
the SERVOPACK.
–
Replace the SERVO-
PACK.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference
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