YASKAWA SGD7S series Product Manual page 78

4.1 SERVOPACKs with Analog Voltage/Pulse Train References
4.1.3 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.024:
System Alarm
(An internal pro-
gram error
occurred in the
SERVOPACK.)
A.025:
System Alarm
(An internal pro-
gram error
occurred in the
SERVOPACK.)
A.030:
Main Circuit
Detector Error
A.040:
Parameter Set-
ting Error
(A parameter set-
ting is outside of
the setting
range.)
A.041:
Encoder Output
Pulse Setting
Error
4-10
Possible Cause
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
The SERVOPACK and
Check the combination
Servomotor capaci-
of the SERVOPACK and
ties do not match
Servomotor capacities.
each other.
A failure occurred in
–
the SERVOPACK.
Check the setting
A parameter setting is
ranges of the parame-
outside of the setting
ters that have been
range.
changed.
Check the electronic
gear ratio. The ratio
The electronic gear
must be within the fol-
ratio is outside of the
lowing range: 0.001 <
setting range.
(Pn20E/Pn210) <
64,000.
The setting of Pn212
(Number of Encoder
Output Pulses) or
Pn281 (Encoder Out-
Check the setting of
put Resolution) is out-
Pn212 or Pn281.
side of the setting
range or does not sat-
isfy the setting condi-
tions.
Confirmation
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
Select a proper combina-
tion of SERVOPACK and
Servomotor capacities.
The SERVOPACK may be
faulty. Replace the SER-
VOPACK.
Set the parameters to val-
ues within the setting
ranges.
Set the electronic gear
ratio in the following
range: 0.001 < (Pn20E/
Pn210) < 64,000.
Set Pn212 or Pn281 to an
appropriate value.
Continued from previous page.
Correction Reference
–
–
–
*1
–
–
*1
*1
Continued on next page.