YASKAWA SGD7S Product Manual page 425

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 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.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
page 5-12
page 4-22,
page 5-52
–
Continued on next page.
12
12-19