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.
Pre lit christmas tree light strand not working.
This can be a frustrating situation especially if the tree is only 2 3 years old.
Led light strings feature one piece construction which can make troubleshooting limited.
Like i do every year i got work with my light keeper pro if you have a pre lit tree and don t have a light keeper pro you should get one now it has saved so many lights over the years.
Often a christmas light tester is the easiest way to locate the problem area.
I knew i wasn t going to get every light working on both.
The christmas light tester will indicate which bulbs are bad and need to be replaced.
Check the fuse or fuses from the plug at the end of the light strand usually the glass cylinder type with a wire filament.
An led light tester can also be used to identify which bulb or socket is not properly functioning.
Replace empty sockets with the replacement bulbs that came with the tree or from a package of replacement bulbs purchased at your local holiday decoration store.
If an led tree is not lighting check to make sure all wires are plugged in and fuses are securely seated.
You plug the tree in but not all the lights are shining.
Pre lit christmas tree lights repair replace when i unpacked the tree this year i knew that i had a project ahead of me.
While many pre lit trees use light strands that will stay lit if a bulb goes out a missing bulb will still cause an outage.
If the fuse is charred or burned out replace it with a new fuse and plug the light strand in your outlet.
My tree was still in very good shape but the 1300 plus lights were shot.
Mini light testers do not work on led trees.
You may find that the bulb has a black or silver looking stain on the inside.
If this is your problem carefully replace the bulb after first unplugging the string of lights.
Shop for pre lit christmas trees in christmas trees by style.
This guide is about pre lit christmas tree lights not working.
Anyway i did manage to get some lights working with the light keeper pro and i replaced as many burned out lights as i had replacements on hand.
Check the entire strand of lights for a missing damaged or abnormal looking bulb according to the christmas light company website.
Some christmas light testers work by having you slide each christmas light bulb through a hole.
Look for any lights that have fallen out of their sockets.