66
Troubleshooting and maintenance
Emotron AB 01-3991-11r2
Motor speed
is incorrect
or erratic
Is the gear ratio correct?
Reduce the load.
Is the setting of the highest
output frequency correct?
Minimize the variation of the load.
Increase capacities of the VSD and the motor.
Is the load too large?
Add an AC reactor at the power input side if
using single-phase power.
Check wiring if using three-phase power.
Table 30
Status
Checking point
Corrective Action