circuit-board

How to Fix Flickering LED Lights

LED lights are very popular because they're energy-efficient, long-lasting, and environmentally friendly. But sometimes, they start to flicker, which can be annoying and may indicate an underlying electrical issue. To fix flickering LED lights, inspect the bulbs, clean the sockets, and check the wiring for any loose or disconnected points. Use dimmers compatible with your bulbs, avoid overloading the circuit, and replace any faulty lights. For persistent issues or voltage fluctuations, consult a professional electrician who can provide expert lighting solutions to keep your lights steady and safe.

Why Do LED Lights Flicker?

Here are the most common reasons:

  • Loose connection: A poor electrical connection can be in the bulb, socket, or wiring.
  • Incompatible dimmer switches: Older dimmers don’t match well with LED lights.
  • Bad LED drivers: The internal parts that control power in LED bulbs can go bad.
  • Power surges or drops: Voltage changes from large appliances can affect the lights.
  • Low-quality bulbs: Cheap LED bulbs may not have proper components and fail faster.
  • Old or overloaded circuits: Older homes may not be designed to handle modern lighting.

Understanding the cause helps you solve the problem faster and more effect

Effective Solutions to Resolve Flickering LED Lights

Here are proven methods to fix your LED lights that flicker: 

1. Check and Tighten Bulbs

A loose bulb is one of the main reasons why LED lights flicker. If the bulb isn't screwed in tightly, it can cause the light to flicker on and off randomly.

What to do?

  • Turn off the light switch.
  • Allow the bulb to cool if it has been on.
  • Gently turn the bulb clockwise until it is securely in place.
  • Turn the light back on and notice if the flickering is reduced.

Tip: Don’t force the bulb too hard. Just make sure it is firmly in place.

2. Clean the Socket

Accumulation of dust, dirt, or corrosion on the socket may disrupt good contact between the bulb and the socket. A weak connection often causes flickering.

How to clean the socket?

  • Before cleaning the socket, ensure you have turned off the power.
  • Gently remove the bulb.
  • Clean the inside of the sockets with a dry cloth or small brush.
  • If there’s corrosion, gently clean it using a small, non-metallic tool like a plastic brush.

Warning: Be sure to turn off the power first to remain safe.

3. Inspect for Loose Wiring

Loose wires create a hazardous situation and result in flickering. If multiple lights are flickering, it may indicate a loose or damaged wire in the system.

What to check?

  • Open the switch or light fixture cover only if you're confident and have some basic electrical knowledge.
  • Look for loose or disconnected wires.
  • If something strange happens, it is very important to have a licensed electrician check the problem.

4. Evaluate Dimmer Switch Compatibility

Most dimmer switches do not work well with LED lighting. Old-style dimmers cannot appropriately handle LEDs' low-power consumption. Incompatible dimmer switches can cause LED lights to flicker or emit buzzing sounds. Install an LED-compatible dimmer switch for smooth performance.

How to check?

  • Look at the model of your dimmer switch.
  • Check the package or product description to see if it says “LED compatible.”
  • If not, consider replacing it with a dimmer made for LED lights.

5. Assess Voltage Fluctuations

The voltage in your home may drop when large appliances turn on. If your lights flicker when appliances (fridge/air conditioner) are on, your home can experience some voltage drops.

How to know?

  • Do the lights flicker when other machines start?
  • Does the flickering happen at random times?
  • If so, you may have a voltage issue.

What To Do?

6. Replace Faulty LED Bulbs

Sometimes the problem is the bulb itself. Low-quality or aged LED bulbs may begin to flicker even when the rest of the installation is proper. Swap out the bad bulb with a new one, ideally of a good brand.

Signs of a bad bulb:

  • Flickers even in a good socket.
  • Gets hot or has a burnt smell.
  • The light may work initially, but it starts flickering after a few minutes.

7. Avoid Overloading Circuits

Too many electrical appliances on the same circuit can overload it, causing your lights to flicker, dim, or shut off unexpectedly.

How to check?

  • Are there many lights and appliances connected to the same circuit?
  • Does the circuit breaker trip often?

What to do?

  • Try moving some devices to another circuit.
  • Turn off devices that are not needed when idle.
  • Speak with an electrician about how to install more circuits if necessary.

8. Install LED-Compatible Dimmers

Always use dimmers made for LED bulbs to stop flickering caused by dimming. These dimmers handle the low power draw of LEDs and give smooth, flicker-free lighting.

When to install one?

  • You already use a dimmer, but your LED bulbs flicker.
  • You plan to use dimmable LED lights.
  • You want more control over brightness without performance issues.

Conclusion

To fix flickering LED lights, start by testing and tightening bulbs, cleaning sockets, and inspecting electrical wiring for any problem. Using dimmer-compatible bulbs, avoiding circuit overloads, and replacing faulty bulbs can also resolve the issue. If voltage changes and electrical problems often happen, let a professional electrician do it for safety and proper repair.

Remember that flickering lights are occasionally dangerous because they may lead to fires or blow out other devices. Identifying the cause early and addressing it promptly will help keep your home safe and your lights working reliably for years. If you're experiencing flickering LED lights, contact expert electrical services like Onsite Services for reliable and effective solutions.

Onsite Electrical Services Raleigh

Need Electrical Help in the Raleigh Area?

Please call  919-430-8051 or fill out our form below.

"*" indicates required fields

Your Name*
By submitting this form, you are consenting to our privacy policy.
This field is for validation purposes and should be left unchanged.