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After prolonged usage, electric fans may face issues. Here are some common problems with electric fans and quick, simple ways to troubleshoot them at home.
1. Common Issues with Electric Fans
After prolonged usage, an electric fan may encounter issues. Below are some common problems with electric fans and quick, simple ways to troubleshoot them at home.
1. Fan Doesn't Run When Power Switched On
When turning on the power switch but the fan doesn't run, it could be due to an overloaded power supply or a faulty control valve.
How to Fix: Firstly, check the power supply, fuse, and control valve to ensure they are functioning properly. If everything is fine, check if the voltage is appropriate. If the power supply is overloaded and the wire is disconnected, turn off the power and reconnect the wire.
Regularly lubricate and maintain the fan for extended usage. Illustrative image.
2. Malfunctioning Speed Control Button
The speed control buttons of the fan may malfunction, making them unable to press or rotate.
The cause often involves excessive friction during usage, leading to corrosion or dirt buildup on the metal contact points, making it difficult for the buttons to conduct electricity.
How to Fix: To address the issue, use WD40 lubricating oil to spray into the grooves of the buttons, clean off the copper corrosion and dirt, then press and release the buttons multiple times until they function properly.
If the metal contact points are worn out, consider replacing the speed control button.
3. Broken Directional Switch Handle
Directional switch handles, mainly made of plastic, are prone to slipping out or breaking after prolonged and forceful use.
How to Fix: Lubricate the inner gears with grease, then purchase a new plastic casing for the directional switch handle.
Alternatively, replace the entire directional switch. Contact authorized stores to purchase genuine products.
4. Fan Blades Falling Off the Shaft
Fan blades are attached to the fan motor via a threaded shaft. The phenomenon of fan blades falling off the shaft occurs due to prolonged usage, where friction during rotation may cause the fan shaft to wear out, making it unable to hold the blades when subjected to high rotation forces.
How to Fix: Replace the fan shaft with a new one to effectively resolve this issue. However, this task requires skill, so it is best to take it to a professional repair shop.
5. Fan Producing Loud Noise
When operating, if the fan produces loud noise, the cause may be friction between the rotating shaft and the brass bearing of the motor.
How to Fix: Remove the motor and lubricate the bearings with oil, then reassemble and test the fan.
6. Fan Overheating
Fan overheating is a common issue that often occurs with most types of fans. The cause of this phenomenon is using the fan at maximum speed for long periods or due to dryness of the fan motor, causing excessive friction during rotation, resulting in heat generation.
How to Fix: Avoid using the fan at maximum speed for prolonged periods. Remove the fan motor and apply lubricating oil to it.
7. Fan Vibrating
Stand fans and ceiling fans may vibrate after prolonged use due to their height. The main cause is loose screws at the joints or improper adjustment of the fan height.
How to Fix: This issue can be easily resolved by checking and tightening the screws or joints, avoiding adjusting the fan too high or running it at maximum speed.
8. Slow Fan Rotation
Slow fan rotation may be caused by dust buildup on the fan motor, dry oil, or changes in resistance leading to capacitor damage.
How to Fix: First, try manually rotating the fan blades to check for any obstructions. If there are any, clean the screw shaft. If the fan still rotates slowly, inspect the bearings, apply more oil, or replace them. Additionally, you can use a resistance measuring device to check the resistance at the plug and motor wires. If the difference is too large, replace the capacitor. These are common issues with electric fans after prolonged use. Generally, you should regularly clean and lubricate the fan to avoid dust buildup and extend its lifespan.
