LmrXP142机械手册.pdf - 第118页
Part 5 Chapter 1 Servo System Troubleshooting Edition 3.0 5-1-19 XP-142E Mechanical Reference AC Servopack Check List for Troubleshooting Alarm Alarm Name Status Cause Remedy A.510 Overspeed • Occurred when the servomoto…
Part 5 Chapter 1 Servo System Troubleshooting
Edition 3.0 5-1-18 XP-142E Mechanical Reference
AC Servopack Check List for Troubleshooting
Alarm Alarm Name Status Cause Remedy
A.400 Overvoltage • Occurred when the control
power supply was turned
ON.
• A SERVOFACK board fault occurred. • Replace the SERVOPACK.
• Occurred when the main
circuit power supply was
tuned ON.
• Occurred during normal
operation.
• The AC power voltage is 290V or more.
• A SERVOPACK fault occurred.
• Check the AC power voltage (check if there is
no excessive voltage change.)
• The motor speed is high and load moment of
inertia is excessive, resulting in insufficient
regenerative capacity.
• A SERVOPACK fault occurred.
• The AC power voltage must be within the specified
range.
• Replace the SERVOPACK.
• The AC power voltage must be within the specified
range.
• Check the load moment of inertia and minus load
specifications. Reconsider the load and operation
conditions.
• Replace the SERVOPACK.
• Occurred at servo motor
deceleration.
• The motor speed is high, and the load moment
of inertia is excessive.
• Reconsider the load and operation conditions.
A.410 Undervoltage • Occurred when the control
power supply was turned
ON.
• A SERVOPACK board fault occurred. • Replace the SERVOPACK.
• Occurred when the main
circuit power supply was
turned ON.
• The AC power supply voltage is 120V or less.
• The fuse of the SERVOPACK is blown out.
• The inrush current limit resistor is disconnected,
and result in an abnormal power supply voltage
or in an overload of the inrush current limit
resistor.
• A SERVOPACK fault occurred.
• The AC power supply voltage must be within the
specified range.
• Replace the SERVOPACK.
• Replace the SERVOPACK. Check the power
supply voltage, and reduce the number of times
that the main circuit is turned ON or OFF.)
• Replace the SERVOPACK.
• Occurred during normal
operation.
• The AC power supply voltage was lowered, and
large voltage drop occurred.
• A temporary power failure occurred.
• The servomotor Cable is short-circuited.
• The servomotor is short-circuited.
• A SERVOPACK fault occurred.
• The AC power supply voltage must be within the
specified range.
• Clear and reset the alarm, and restart the operation.
• Repair or replace the servomotor cable.
• Replace the servomotor.
• Replace the SERVOPACK.
A.510 Overspeed
• Occurred when the control
power supply was turned
ON.
• A SERVOPACK board fault occurred. • Replace the SERVOPACK.
• Occurred when servo was
ON.
• The order of phases U, V, and W in the
servomotor wiring is incorrect.
• The encoder wiring is incorrect.
• Malfunction occurred due to noise interference
in the encoder wiring.
• A SERVOPACK fault occurred.
• Correct the servomotor wiring.
• Correct the encoder wiring.
• Take measures against noise for the encoder wiring.
• Replace the SERVOPACK.
NP1MT015E
Part 5 Chapter 1 Servo System Troubleshooting
Edition 3.0 5-1-19 XP-142E Mechanical Reference
AC Servopack Check List for Troubleshooting
Alarm Alarm Name Status Cause Remedy
A.510 Overspeed • Occurred when the
servomotor started running
or in a high speed run.
• The order of phases U, V, and W in the
servomotor wiring is incorrect.
• The encoder wiring is incorrect.
• Malfunction occurred due to noise interference
in the encoder wiring.
• The position or speed reference input is too
large.
• The setting of the reference input gain is
incorrect.
• A SERVOPACK board fault occurred.
• Correct the servomotor wiring.
• Correct the encoder wiring.
• Take measures against noise for the encoder
wiring.
• Reduce the reference value.
• Correct the reference input gain setting.
• Replace the SERVOPACK.
A.511 Dividing Pulse
Output Overspeed
• Occurred while the
servomotor was running.
• The output frequency of the dividing pulse
exceeds 1.6 MHz.
• Lower the setting of the PG dividing pulse (Pn212).
• Reduce the servomotor speed.
A.520 Vibration Alarm • Occurred while the
servomotor was running.
• Abnormal vibration was detected.
• The moment of inertia ratio (Pn103) is greater
than the actual value, or fluctuates excessively.
• Reduce the servomotor speed.
• Reduce the speed loop gain (Pn100).
• Change the moment of inertia ratio (Pn103)
to an appropriate value.
• Occurred when the
servomotor did not run by
the reference input.
• Occurred during normal
operation.
• The servomotor wiring is incorrect or the
connection is faulty.
• The encoder wiring is incorrect or the
connection is faulty.
• The starting torque exceeds the maximum
torque.
• A SERVOPACK fault occurred.
• The actual torque exceeds the rated torque or
the starting torque largely exceeds the rated
torque.
• A SERVOPACK fault occurred.
• Correct the servomotor wiring.
• Correct the encoder wiring.
• Reconsider the load and operation conditions, or
reconsider the servomotor capacity.
• Replace the SERVOPACK.
• Reconsider the load and operation conditions, or
reconsider the servomotor capacity.
• Replace the SERVOPACK.
A.710 Overload :
High Load
A.720 Overload :
Low Load
• Occurred when the control
power supply was tuned
ON.
• Occurred when the servo
was turned ON.
• A SERVOPACK board fault occurred.
• The servomotor wiring is incorrect or the
connection is faulty.
• The encoder wiring is incorrect or the
connection is faulty.
• A SERVOPACK fault occurred.
• Replace the SERVOPACK.
• Correct the servomotor wiring.
• Correct the encoder wiring.
• Replace the SERVOPACK.
NP1MT016E
Part 5 Chapter 1 Servo System Troubleshooting
Edition 3.0 5-1-20 XP-142E Mechanical Reference
AC Servopack Check List for Troubleshooting
Alarm Alarm Name Status Cause Remedy
A.730 Dynamic Brake
Overload
• Occurred when the control
power supply was turned
ON.
• Occurred when the
servomotor was running
and in a status other than
servo OFF.
• Occurred when the
servomotor was running in
servo OFF status.
• A SERVOPACK board fault occurred.
• A SERVOPACK board fault occurred.
• The rotating energy at a DB stop exceeds the
DB resistance capacity.
• A SERVOPACK fault occurred. .
• Replace the SERVOPACK.
• Replace the SERVOPACK.
• 1.Reduce the motor speed,
2.Reduce the load moment of inertia, or
3.Reduce the number of times of the DB stop
operation.
• Replace the SERVOPACK.
A.740 Overload of Surge
Current Limit
Resistor
• Occurred when the control
power supply was turned
ON.
• Occurred during operations
other than the turning
ON/OFF of the main circuit.
• Occurred at the main circuit
power supply ON/OFF
Operation.
• A SERVOPACK board fault occurred.
• A SERVOPACK board fault occurred.
• The inrush current limit resistor operation
frequency at the main circuit power supply
ON/OF operation exceeds the allowable range.
• A SERVOPACK fault occurred.
• Replace the SERVOPACK.
• Replace the SERVOPACK.
• Reduce the number of times that main circuit's
power supply can be turned ON/OFF to 5 times/min.
or less.
• Replace the SERVOPACK.
NP1MT017E
A.7A0 Heat Sink
Overheated
• Occurred when the control
power supply was turned
ON.
• Occurred when the main
circuit power supply was
turned ON or while the
servomotor was running.
• A SERVOPACK fault occurred.
• The overload alarm has been reset by turning
OFF the power too many times.
• The load exceeds the rated load.
• The SERVOPACK ambient temperature
exceeds 55°C.
• A SERVOFACK fault occurred.
• The overload alarm has been reset by turning
OFF the power too many times.
• The connection of the SERVOPACK board and
the thermostat switch is incorrect.
• The overload or regenerative energy exceeds
the resistor capacity
• The SERVOPACK (direction and distance to
the peripheral devices) is mounted incorrectly.
Heat radiation from the panel or heat around
the SERVOPACK.
• A SBRVOPACK fan fault occurred.
• Replace the SERVOPACK.
• Change the method to reset the alarm.
• Reconsider the load and operation conditions, or
reconsider the servomotor capacity.
• The ambient temperature must be 55°C or less.
• Replace the SERVOPACK.
• Change the method to reset the alarm.
• Replace the SERVOPACK.
• Reconsider the load and operation conditions.
• The ambient temperature for SERVOPACK must be
55°C or less.
• Replace the SERVOPACK.