A problem that occurs in the electric motor often happens when the electric motor does not turn and still disarms the circuit breaker, operates relay or burns fuse. In order to combat this problem, it is necessary to disconnect the electric motor from the load and check that the shaft is locked and, if this problem is detected, the bearings must be replaced urgently.
If the electric motor skf 209 c3 is not locked, with a multimeter placed on the continuity scale, it is necessary to check if the power conductors of the electric motor are shorted and if this is happening it is time to insulate this part with an insulation tape.
If the fault in the electric motor is not caused by a short circuit, it will be essential to open the electric motor and check if there is any sign of burn in any region of the coil. To check for this problem, the tips are: examine if there is no strong burn smell, the coils are with dark parts in the coil and if any of these traces is time to take the electric motor to rewind.