12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
12-17
A.300:
Regeneration
Error
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, -R70F, -R90F,
-2 R 1 F, o r - 2 R 8F.
Check it see if an Exter-
nal Regenerative Resis-
tor is connected and
check the setting of
Pn600.
Connect an External
Regenerative Resistor, or
set Pn600 (Regenerative
Resistor Capacity) to 0
(setting unit: ×10 W) if no
Regenerative Resistor is
required.
page 5-58
An External Regener-
ative Resistor is not
connected to one of
the following SERVO-
PACKs: SGD7S-
470A, -550A, -590A,
or -780A.
Check to see if an
External Regenerative
Resistor or a Regenera-
tive Resistor Unit is con-
nected and check the
setting of Pn600.
Connect an External
Regenerative Resistor and
set Pn600 to an appropri-
ate value, or connect a
Regenerative Resistor
Unit and set Pn600 to 0.
The jumper between
the regenerative resis-
tor terminals (B2 and
B3) was removed
from one of the fol-
lowing
SERVOPACKs:
SGD7S-3R8A, -5R5A,
-7R6A, -120A, -180A,
-200A, or -330A.
Check to see if the
jumper is connected
between power supply
terminals B2 and B3.
Correctly connect a
jumper.
page 4-21
The External Regener-
ative Resistor is not
wired correctly, or was
removed or discon-
nected.
Check the wiring of the
External Regenerative
Resistor.
Correct the wiring of the
External Regenerative
Resistor.
A failure occurred in
the SERVOPACK.
–
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.
–
Continued on next page.
Continued from previous page.
Alarm Number:
Alarm Name
Possible Cause Confirmation Correction Reference
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