Blower must work under room temperature high, accumulated temperature in the motor height resulted in deterioration of the insulation, winding coils of motors.
Ventilators must work under the high temperature causes the temperature in the motor lofty cause of the deterioration of the winding insulation of the motor winding cause burns.
The fan working under high temperature the temperature accumulation in motor สูงส่งผล cause degradation of insulation coil causing blight of winding motor.