TAM 00621 16
DSD 45-100 05/2007
Three-phase synchronous motor English
Malfunction
Cause
Remedy
Running noises Foreign matter in motor
Damaged bearing
Have repaired by motor
manufacturer
Have repaired by motor
manufacturer
Motor overheats
Motor temperature monitoring
is activated
Drive overloaded
Motor surface/airways dirty
Has been installed in an area
that does not allow enough
space
Brake not releasing fully –
brake dragging
Check motor load and
compare with nameplate
Clean motor surface/airways
Check motor has been
installed in acc. with Sections
1.2 and 3.4
Have repaired by motor
manufacturer
Current consumption too
high, motor torque too low
Indexing angle incorrect Check indexing angle and
adjust if necessary
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