YASKAWA SGD7S series Product Manual page 491

Alarm Number:
Possible Cause
Alarm Name
A Rotary Servomotor
was removed and a
A.070:
Linear Servomotor
Motor Type
was connected.
Change Detected
(The connected
motor is a differ-
ent type of motor
from the previ-
A Linear Servomotor
ously connected
was removed and a
motor.)
Rotary Servomotor
was connected.
The setting of Pn282
A.080:
(Linear Encoder Scale
Linear Encoder
Pitch) has not been
Pitch Setting
changed from the
Error
default setting.
The /S-ON (Servo ON)
signal was input from
the host controller
A.0b0:
after a utility function
Invalid Servo ON
that turns ON the Ser-
Command Alarm
vomotor was exe-
cuted.
The Main Circuit
Cable is not wired
correctly or there is
faulty contact.
There is a short-circuit
or ground fault in a
Main Circuit Cable.
A.100:
Overcurrent
There is a short-circuit
Detected
or ground fault inside
(An overcurrent
the Servomotor.
flowed through
the power tran-
sistor or the heat
sink overheated.)
There is a short-circuit
or ground fault inside
the SERVOPACK.
The regenerative
resistor is not wired
correctly or there is
faulty contact.
Confirmation
Set the parameters for a
Linear Servomotor and
reset the motor type
– alarm. Then, turn the
power supply to the
SERVOPACK OFF and
ON again.
Set the parameters for a
Rotary Servomotor and
reset the motor type
– alarm. Then, turn the
power supply to the
SERVOPACK OFF and
ON again.
Check the setting of Correct the setting of
Pn282. Pn282.
Turn the power supply to
the SERVOPACK OFF and
–
ON again. Or, execute a
software reset.
Check the wiring.
Correct the wiring.
Check for short-circuits
across Servomotor
The cable may be short-
phases U, V, and W, or
circuited. Replace the
between the ground
cable.
and Servomotor phases
U, V, and W.
Check for short-circuits
across Servomotor
The Servomotor may be
phases U, V, and W, or
faulty. Replace the Servo-
between the ground
motor.
and Servomotor phases
U, V, or W.
Check for short-circuits
across the Servomotor
connection terminals U,
The SERVOPACK may be
V, and W on the
faulty. Replace the
SERVOPACK, or
SERVOPACK.
between the ground
and terminals U, V, or
W.
Check the wiring. Correct the wiring.
12.2 Alarm Displays
12.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
page 12-47
page 12-47
page 5-19
page 6-96
page 4-25
page 4-21
Continued on next page.
12
12-15