80
Fault Probable cause
over large current heats the winding.
Motor overheating or smoking
When remove winding for overhaul, use improper way
that burn the iron core.
Rotor and stator core rub.
Motor overloads or start up frequently.
Cage rotor break.
Motor lacks phase, two phases run.
After rewinding, dipping paint of stator winding is
improper.
In high temperature, much dirt on the motor surface or
ventilation duct block.
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