Chapter 7 - Troubleshooting
Check the value of the Motor parameters in the Advanced Functions menu and execute the AUTO-
PHASING command again, with unloaded motor, if necessary (see chapter 6, section 3).
2.4 - DISCONTINUOUS MOTOR ROTATION WITH ZERO TORQUE POSITIONS
Check the connection of the 3 phase cables between motor and drive.
2.5 - MOTOR DRIFT WITH ANALOG INPUT COMMAND AT ZERO SPEED
Check that the input command wiring between the controller and the drive is complying with the
recommendations of chapter 4 (CV- at diff. low of the NC and 0 Volt cable).
Check the offset compensation and, if necessary, execute the Offset compensation command.
2.6 - LOUD CRACKLING NOISE IN THE MOTOR AT STANDSTILL
Check that the motor-drive-controller ground connections are complying with the recommendations of chapter
4.
Check that the CV speed input command wiring between controller and drive are complying with the
recommendations of chapter 4 and check the shield connection of the resolver cables on motor side and drive
side.
2.7 - LOUD NOISE IN THE MOTOR AT STANDSTILL AND WHEN RUNNING
Check the rigidity of the mechanical transmission chain between motor and load (backlash and elasticity in the
gears and couplings).
Execute the AUTOTUNING command again by choosing a lower bandwidth (Medium or Low).
If the problem remains, renew the AUTO-TUNING procedure by activating the antiresonance filter
(Filter = Antiresonance).
2.8 - POSITION CONTROL NOT POSSIBLE WITH THE NC
Check for the presence of the A, B and Z signals on the drive X2 connector by turning manually the motor
shaft and check the wiring between NC and drive.
Check the counting direction of the NC with regard to the polarity of the speed input command. If there is a
reversal, use the Reverse Movement function in the VISUAL DRIVE SETUP software to recover a correct
operation.
3 - SERVICE AND MAINTENANCE
When exchanging an drive on a machine, proceed as follows:
Plug the parameter EEPROM (or a copy of it) of the old drive on the new one.
Apply a zero speed input command on the CV input and start the automatic offset compensation procedure
by means of the push-button on the drive front panel.
The new drive is now configured like the old one.
To Next Page
Loading...
Need help?
General
