Instruction manual

78
Details of Troubleshooting
3.4.3 Motor coasts
Cause Measures
Related
Parameters
The stop selection (Pr. 250) is selected. Change the stop selection (Pr. 250) setting to cancel coasting to a stop. Pr. 250
Check that the output stop signal (MRS) or
selection of automatic restart after
instantaneous power failure (CS) is ON/
OFF during operation or reset is input.
(1) Check for input terminal connection and communication command.
(2) Take measures against EMI to the input terminal wires.
-
The magnetic contactor on the motor side
turns OFF.
Check operation of the magnetic contactor. -
Power failure occurs. Check for input power supply. -
Inverter fault occurs.
Check for a fault occurs. Refer to the item related to faults in "Help" and
then take measures.
-
Braking torque of DC injection brake is
insufficient or coasting is set.
Adjust DC injection brake operation frequency (Pr. 10), DC injection
brake operation time (Pr. 11), DC injection brake operation voltage (Pr.
12).
Pr. 10, 11, 12