YASKAWA SGD7S-***A20****F62 Series Product Manual page 89

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 of the SERVOPACK, replace
the regenerative resistor the SERVOPACK.
using a measuring instru- If you are using an Exter-
ment. nal Regenerative Resis-
tor, replace the External
Regenerative Resistor.
Check the power supply Correct the power supply
to see if it is a DC power setting to match the
supply. actual power supply.
Check the power supply Correct the power supply
to see if it is an AC power setting to match the
supply. actual power supply.
Connect an External
Check it see if an External
Regenerative Resistor, or
Regenerative Resistor is
if an External Regenera-
connected and check the
tive Resistor is not
setting of Pn600.
required, set Pn600 to 0.
The SERVOPACK may be
– faulty. Replace the SER-
VOPACK.
5.3 Troubleshooting Alarms
Continued from previous page.
Refer-
Correction
ence
–
*1
*1
*1
–
Continued on next page.
5
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