YASKAWA Sigma-7 Series Product Manual page 101

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.
The regenerative
resistor was discon-
nected when the
SERVOPACK power
supply voltage was
high.
A.330:
Main Circuit
DC power was sup-
Power Supply
plied when an AC
Wiring Error
power supply input
(Detected when
was specified in the
the main circuit
settings.
power supply is
AC power was sup-
turned ON.)
plied when a DC
power supply input
was specified in the
settings.
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 to see if a
Regenerative Resistor is Correct the setting of
connected and check Pn600.
the 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
SERVOPACK.
If you are using the regen-
erative resistor built into
Measure the resistance the SERVOPACK, replace
of the regenerative the SERVOPACK.
resistor using a measur- If you are using an Exter-
ing instrument. nal Regenerative Resis-
tor, replace the External
Regenerative Resistor.
Check the power sup- Correct the power supply
ply to see if it is a DC setting to match the
power supply. actual power supply.
Check the power sup- Correct the power supply
ply to see if it is an AC setting to match the
power supply. actual power supply.
The SERVOPACK may be
– faulty. Replace the
SERVOPACK.
6.1 Alarm Displays
6.1.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
*4
–
*1
*1
*4
–
–
*1
–
Continued on next page.
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