How To Find The Bad Bulb On Christmas Lights Without A Tester, How To Test And Fix Christmas Lights Light Keeper Pro And Non Contact Voltage Tester Method Youtube

From the string and move it along the cord until it stops beeping at the defective bulb.

Multi colored spiral christmas tree. If the voltage detector does not light up that indicates a bad bulb. Next remove all the bulbs from the nonfunctioning section of the strand. When you find it remove it or replace it.

If you have led christmas lights with removable bulbs the troubleshooting process is similar to incandescent bulbs. Sometimes it does but usually it doesnt. If youre able to locate a bad bulb just unseat the bulb remove the bulb from the plastic base and replace it with a similar bulb.

Turn on the non contact voltage detector. How to find a bad bulb in christmas lights press down the black button hold the tip about 12 in. If the voltage detector lights up an electrical current is present at that location and the bulb is good.

Theres a way to test and fix the entire string of miniature lights without testing each bulb individually. Reverse the procedure to find the fault on the other side of the string if the middle bulb had not shown live voltage. When the location is found where one bulb has voltage and the next does not the one showing a voltage present is the bad bulb.

Try replacing this bulb with a good one and see if the string lights up. First find a socket that you know works and mark it with a piece of tape. Continue to check each bulb until you find the culprit dead bulb.

Bad socket or wiring. You can also test the bulbs without a light tester although this process will take more time. Put them in a bowl for untested bulbs.

Many led christmas lights are made without removable bulbs so the circuit wont fail if a single bulb breaks. With christmas around the corner many of you are getting out the lights and decorations. Many christmas string lights are wired in series so if one bulb bu.

You do not have to touch the light bulb for the voltage detector to work. Reinstall it and see if it works. Finding bad bulbs on led christmas lights.

A bad socket or wiring may completely damage your entire string. Starting at one end of your strand or in the dark portion of your strand use your voltage detector or light tester to locate the faulty bulb or dead length of wire.