YASKAWA Sigma-7 SGD7S Series - Page 598

Alarm Code Alarm Name Possible Cause Confirmation Correction Reference
The power supply was
shut OFF while setting
a utility function.
Check the timing of
shutting OFF the
power supply.
The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A failure occurred in
the SERVOPACK.
Turn the power
supply to the SER-
VOPACK OFF and
ON again. If the
alarm still occurs, the
SERVOPACK may
have failed.
The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A.024
(1024h)
System Alarm
(An internal pro-
gram error
occurred in the
SERVOPACK.)
A failure occurred in
the SERVOPACK.
– The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A.025
(1025h)
System Alarm
(An internal pro-
gram error
occurred in the
SERVOPACK.)
A failure occurred in
the SERVOPACK.
– The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A.030
(1030h)
Main Circuit
Detector Error
A failure occurred in
the SERVOPACK.
– The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A.040
(1040h)
Parameter Set-
ting Error (A
parameter set-
ting is outside of
the setting
range.)
The SERVOPACK
and Servomotor
capacities do not
match each other.
Check the combina-
tion of the SERVO-
PACK and Servo-
motor capacities.
Select a proper com-
bination of SERVO-
PACK and Servo-
motor capacities.
Ä Chap. 2.7
‘Combinations
of SERVO-
PACKs and Ser-
vomotors’
page 48
The motor parameter
file was not written to
the linear encoder.
(This applies only
when not using a
Serial Converter Unit.)
Check to see if the
motor parameter file
was written to the
linear encoder.
Write the motor
parameter file to the
linear encoder.
Ä Chap. 6.7
‘Writing Linear
Servomotor
Parameters’
page 148
A failure occurred in
the SERVOPACK.
– The SERVOPACK
may be faulty.
Replace the SERVO-
PACK.
–
A parameter setting is
outside of the setting
range.
Check the setting
ranges of the param-
eters that have been
changed.
Set the parameters
to values within the
setting ranges.
–
A.041
(1041h)
Encoder Output
Pulse Setting
Error
The setting of Pn212
(Encoder Output
Pulses) or Pn281
(Encoder Output Res-
olution) is outside of
the setting range or
does not satisfy the
setting conditions.
Check the setting of
Pn212 or Pn281.
Set Pn212 or Pn281
to an appropriate
value.
Ä Chap. 7.6.3
‘Setting for the
Encoder
Divided Pulse
Output’
page 218
Sigma-7 Series SERVOPACKs
Maintenance
Alarm Displays > Troubleshooting Alarms
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