Are your ceiling fan stopped working suddenly? Nobody will expect their fan to stop working in the summer. Poor ventilation, broken flywheel, burning of the motor can be the reasons for a fan to stop suddenly. Let us divide these reasons into two parts i.e. issues with electrical components and problems with mechanical components.
Issues with Electrical Components
Poor Wiring
If the fan stops suddenly, turn off the supply and check the connections of wires. If the wires are loosely connected or disconnected, there will be isolation between the fan and supply. Therefore the fan will stop spinning.
Voltage Fluctuations
In an industrial or rural area, there may be fluctuation in the voltage. It will affect the current flow. If the fan doesn’t receive any current from the supply, it will stop. If a high current flows through the wires, there will be overheating.
Overheating
Due to high current flow, the temperature in the motor will increase. It can cause the burning of the insulation of the windings. It will result in a short circuit in the motor between two windings. Therefore the fan will stop suddenly.
Blown Capacitor
If the fan is making a humming noise, the capacitor may have burned. The capacitor can blow due to overheating. It will not supply the current and required torque to the motor.
Lack of oil
The ceiling fan can stop suddenly due to a lack of oil in the motor assembly. If you notice the slow spinning of the fan but ignore it. Then this can be the reason as less oil in the motor affects the motor performance.
Resistance of winding
Resistance of the windings depends on factors like corrosion, temperature, and any other physical damage. If there is overheating or corrosion of the windings, the motor will blow and will stop working.
Problems with Mechanical Components
Contamination of Fan Assembly
Dirt, dust, and moisture contaminate the motor assembly. This contamination affects the ventilation in the motor if it is accumulated in the motor windings. The foreign particles block the path of lubricant in the windings, which may stop the ceiling fan.
Frozen Bearings
If the fan stops suddenly, turn off the supply and spin the blades manually. Blades will not be able to spin manually if the bearing is frozen. The reason for the frozen bearing can be dust and dirt collected by the bearings.
Broken Flywheel
In many fans, a rubber flywheel is used to connect the blades with the motor. It may break if the fan is running for a long time.
If the flywheel breaks, the blades of the fan will not spin even if the motor runs. In this case, you will need to replace the flywheel.
Final Words
To avoid a sudden stop of the ceiling fan, the above points are important. You can remember them and use them when the fan stops.
