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Alarm Number:
Possible Cause
Alarm Name
A malfunction was
A.101:
caused by noise.
Motor Overcurrent
Detected (The
current to the
motor exceeded
the allowable cur-
A failure occurred in
rent.)
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, SGD7S-R90A,
SGD7S-1R6A, or
SGD7S-2R8A.
The jumper between
the regenerative resis-
tor terminals (B2 and
B3) was removed
from one of the fol-
lowing SERVO-
PACKs: SGD7S-
A.300:
3R8A, SGD7S-5R5A,
Regeneration
SGD7S-7R6A,
Error
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.
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 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
SERVOPACK may be
faulty.
Replace the SERVO-
PACK.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Reference
Correction
for Correc-
tion
–
–
page 5-57
page 4-16
–
12
12-17
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Table of Contents
Troubleshooting
