TAM 00746
21
DSP1 045 - 100
11 / 2019
Three phase synchronous motor
English
Error
Error cause
Troubleshooting
Vibrations
The coupling elements or the
working machine is badly bal-
anced
Nonconformity of the drive
train
Loose fixing screws
Balancing
Re-aligning the machine set
Check and secure the screw
connections
Running noises
Foreign particles in the motor
Bearing damage
Repair by motor manufactur-
err
Repair by motor manufacturer
Motor gets too warm
Motor temperature monitoring
responds
Drive overload
Contamination of the motor
surface or air channels
Contricted mounting condi-
tions
Brake does not release suffi-
ciently- grinding brake
Check motor load and com-
pare with the type plate data
Clean motor surface or air
channels
Check motor installation
according to
chapter
2.6 or
3
Repair by motor manufacturer
Current consumption too high,
motor torque too low
Incorrect notch position
Check notch position and
adjust if necessary
Table 3: Failures