YASKAWA SGD7S series Product Manual page 85

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
power supply is
Pn600 (Regenerative
turned ON.)
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.
A failure occurred in
the SERVOPACK.
4.1 SERVOPACKs with Analog Voltage/Pulse Train References
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 it see if an Exter- Connect an External
nal Regenerative Resis- Regenerative Resistor, or
tor is connected and if an External Regenera-
check the setting of tive Resistor is not
Pn600. required, set Pn600 to 0.
The SERVOPACK may be
– faulty. Replace the SER-
VOPACK.
4.1.3 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
*1
*1
*1
–
Continued on next page.
4
4-17