YASKAWA SGD7S series Product Manual page 83

Alarm Number:
Possible Cause
Alarm Name
A malfunction was
A.101:
caused by noise.
Motor Overcurrent
Detected
(The current to
the motor
exceeded the
A failure occurred in
allowable current.)
the SERVOPACK.
Pn600 (Regenerative
Resistor Capacity) is
not set to 0 and an
External Regenerative
Resistor is not con-
nected to one of the
following SERVO-
PACKs: SGD7S-
R70A, -R90A, -1R6A,
-2R8A, or -330A.
An External Regener-
ative Resistor is not
connected to one of
the following SERVO-
PACKs: SGD7S-
470A, -550A, -590A,
or -780A.
The jumper between
the regenerative resis-
tor terminals (B2 and
A.300: B3) was removed
from one of the fol-
Regeneration
lowing SERVO-
Error
PACKs: SGD7S-
3R8A, SGD7S-5R5A,
SGD7S-7R6A,
SGD7S-120A,
SGD7S-180A, or
SGD7S-200A.
The External Regener-
ative Resistor is not
wired correctly, or was
removed or discon-
nected.
A failure occurred in
the SERVOPACK.
4.1 SERVOPACKs with Analog Voltage/Pulse Train References
Confirmation
Implement countermea-
Improve the noise envi-
sures against noise, such
ronment, e.g. by
as correct wiring of the
improving the wiring or
FG. Use an FG wire size
installation conditions,
equivalent to the SERVO-
and check to see if the
PACK's main circuit wire
alarm still occurs.
size.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Connect an External
Check it see if an Exter- Regenerative Resistor, or
nal Regenerative Resis- set Pn600 (Regenerative
tor is connected and Resistor Capacity) to 0
(setting unit: ×10 W) if no
check the setting of
Pn600. Regenerative Resistor is
required.
Check to see if an Connect an External
External Regenerative Regenerative Resistor and
Resistor or a Regenera- set Pn600 to an appropri-
tive Resistor Unit is con- ate value, or connect a
nected and check the Regenerative Resistor
setting of Pn600. Unit and set Pn600 to 0.
Check to see if the
jumper is connected Correctly connect a
between power supply jumper.
terminals B2 and B3.
Check the wiring of the Correct the wiring of the
External Regenerative External Regenerative
Resistor. Resistor.
While the main circuit
power supply is OFF, turn
the control power supply
to the SERVOPACK OFF
– and ON again. If an alarm
still occurs, the SERVO-
PACK may be faulty.
Replace the SERVO-
PACK.
4.1.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
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–
*1
*1
*1
*1
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Continued on next page.
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