For families intending to use the christmas lights year after year troubleshooting these lights may be necessary.
How to check christmas lights that don t work.
In regions on 230v mains rather than 110v the shunt usually does its job.
The christmas light tester will indicate which bulbs are bad and need to be replaced.
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.
Sometimes that makes more sense and can work even faster but it can t always repai.
Buy the light keeper pro.
When an entire string of lights stops working or a section stops working it s important to troubleshoot the issue in order to get the lights working again.
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.
Basic mini christmas lights are typically three wire strands.
Https amzn to 2oebr6z amazon associate link this video shows how incandescent mini lights work and how to diagnose problems tha.
Each holiday season i unpack untangle and plug in the previous year s mini lights only to discover that they don t work.
I also tried a light keeper pro to get a string of lights working.
Christmas lights are connected in series meaning the whole string will go dark when one bulb fails.
Sometimes individual lights are burned out other times the entire.