Use a light tester to test each bulb individually.
How to fix led christmas lights without a tester.
As the bulbs and linked in a series wired it s quite tricky to find out the exact broken or fused bulb.
Christmas lights are the strings of little electric light bulbs often used on christmas trees or to decorate homes or yards.
A wide range of strings are available but this article is about the new led bulb strings.
It can be a real hassle to buy new christmas lights every year.
The non working led will obviously be in the string half that is not working.
There s an easy way to fix your led christmas lights and save money.
Second test the christmas light bulbs with an inexpensive tester available where holiday lights are sold and online usually changing a problem bulb or tightening it will fix the entire strand.
With led christmas lights you don t have to do that anymore.
You can also test the bulbs without a light tester although this process will take more time.
The fist step is to find the led that is no longer working.
But the lack of filaments also makes them safer.
Sometimes nonfunctioning christmas light bulbs can appear to be perfectly normal so a light tester is the most efficient and reliable way to single out broken bulbs.
The bulbs of christmas lights are fragile and prone to breakage.
That s one of the reasons they are able to last so long.
Some christmas light testers work by having you slide each christmas light bulb through a hole.
If you find a burned out light you don t have to replace the whole strand.
Replace all nonfunctioning bulbs.
Led christmas lights last longer and provide more color options than regular lights but they burn out on occasion.
Led stands for light emitting diode and the colors they produce are both stronger and purer than dye coated incandescent lamps.
Led christmas lights don t have filaments that overheat and burnout.
There s a way to test and fix the entire string of miniature lights without testing each bulb individually.
They are light and breakable without getting many hits.