Emotron AB 01-3990-11r3 Troubleshooting and maintenance 83
Motor run-
ning speed
too high or
too low
Are the motor specifications (poles, volt-
age) correct?
Confirm the motor’s specifications.
Is the gear ratio correct? Confirm the gear ratio.
Is the setting of the highest output fre-
quency correct?
Confirm the highest output frequency.
Motor speed
varies unusu-
ally
Is the load too heavy? Reduce the load.
Does the load vary largely?
Minimize the variation of the load.
Increase capacities of the VSD and the
motor.
Is the input power lack of phase?
Check wiring if using three-phase
power.
To Next Page
Loading...
General