YASKAWA SGD7S-****20A Series Product Manual page 438

Alarm Number:
Possible Cause
Alarm Name
The regenerative
resistor was discon-
nected when the
SERVOPACK power
supply voltage was
high.
DC power was sup-
plied when an AC
power supply input
was specified in the
settings.
A.330:
AC power was sup-
Main Circuit
plied when a DC
Power Supply
power supply input
Wiring Error
was specified in the
(Detected when
settings.
the main circuit
Pn600 (Regenerative
power supply is
Resistor Capacity) is
turned ON.)
not set to 0 and an
External Regenerative
Resistor is not con-
nected to one of the
following
SERVOPACKs:
SGD7S-R70A, -R90A,
-1R6A, -2R8A, -R70F,
-R90F, -2R1F, or
-2R8F.
A failure occurred in
the SERVOPACK.
Confirmation
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.
Check to see if an Connect an External
External Regenerative Regenerative Resistor, or
Resistor is connected if an External Regenera-
and check the setting of tive Resistor is not
Pn600. required, set Pn600 to 0.
The SERVOPACK may be
– faulty. Replace the
SERVOPACK.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
page 5-13
page 4-22,
page 5-54
–
Continued on next page.
12
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