To fix christmas lights if the entire string goes out start by unplugging the string and opening the fuse case which is the plastic box attached to the electrical prongs.
How to fix led christmas lights uk.
The fist step is to find the led that is no longer working.
The best option is to use either an electrician s multimeter or a tool specifically designed for repairing christmas lights such as the lightkeeper pro.
Figuring that out after you ve hung them on the roof is even less fun.
Plug in your led christmas light strand.
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.
The non working led will obviously be in the string half that is not working.
If a fuse is black or has a broken wire inside gently pry out the blown fuse with a thin screwdriver.
The christmas light tester will indicate which bulbs are bad and need to be replaced.
With the lights plugged in use the voltage detector to check the live voltage wire between each light starting at the end that plugs into the wall outlet.
Figuring out that part of your string of led lights doesn t work is no fun.
Led christmas lights last longer and provide more color options than regular lights but they burn out on occasion.
If you find a burned out light you don t have to replace the whole strand.