YASKAWA SGD7S Product Manual page 458

Alarm Number:
Possible Cause
Alarm Name
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,
-2R1F, or -2R8F.
A Regenerative Resis-
tor is not connected
to one of the following
SERVOPACKs:
SGD7S-470A, -550A,
-590A, or -780A.
The jumper between
the regenerative resis-
A.300:
tor terminals (B2 and
B3) was removed
Regeneration
from one of the fol-
Error
lowing SERVO-
PACKs: SGD7S
-3R8A, -5R5A,
-7R6A, -120A, -180A,
-200A, or -330A.
The External Regener-
ative Resistor is not
wired correctly, or was
removed or discon-
nected.
A failure occurred in
the SERVOPACK.
Confirmation
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.
14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
page 5-52
page 4-22
–
Continued on next page.
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