YASKAWA SGD7S series Product Manual page 168

Alarm Number:
Possible Cause
Alarm Name
The power supply
voltage exceeded the
specified range.
The external regener-
ative resistance value
or regenerative resis-
tor capacity is too
small, or there has
been a continuous
regeneration state.
There was a continu-
ous regeneration state
because a negative
load was continu-
ously applied.
The setting of Pn600
A.320:
(Regenerative Resis-
tor Capacity) is
Regenerative
smaller than the
Overload
capacity of the Exter-
nal Regenerative
Resistor.
The setting of Pn603
(Regenerative Resis-
tance) is smaller than
the capacity of the
External Regenerative
Resistor.
The external regener-
ative resistance is too
high.
A failure occurred in
the SERVOPACK.
Confirmation
Set the power supply volt-
Measure the power
age within the specified
supply voltage.
range.
Change the regenerative
Check the operating resistance value or capac-
conditions or the ity.
capacity using the Sig- Reconsider the operating
maJunmaSize+ Capac- conditions using the Sig-
ity Selection Software or maJunmaSize+ Capacity
other means. Selection Software or
other means.
Reconsider the system
Check the load applied
including the servo,
to the Servomotor
machine, and operating
during operation.
conditions.
Check it see if a Regen-
erative Resistor is con- Correct the setting of
nected and check the Pn600.
setting of Pn600.
Check to see if a
Regenerative Resistor is Correct the setting of
connected and check Pn603.
the setting of Pn603.
Change the regenerative
resistance to a correct
Check the regenerative
value or use an External
resistance.
Regenerative Resistor of
an appropriate capacity.
The SERVOPACK may be
– faulty. Replace the SER-
VOPACK.
9.1 Alarm Displays
9.1.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
*4
–
*1
*1
*4
–
Continued on next page.
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