Causes
Find the fuse compartment in the male end of the faulty string of lights. Slide open the latch and pop out the fuse. Replace with a new fuse. Some pre-lit Christmas trees are sold with extra fuses.
To identify a broken fuse, look for a break in the wire or a dark smudge located inside of the fuse. Either of these indicate the fuse has blown. You can also use a multimeter to confirm that the fuse has blown.
- 10 - 15 minutesEasy
If the bulb is damaged, burnt out, or missing you will need to replace it. Some pre-lit Christmas trees are sold with extra bulbs. Make sure the new bulb is seated firmly in the socket.
Tip: While removing bulbs check for corrosion or blockages in the sockets on the strand.
Tip: Tools like the LightKeeper Pro can help bridge broken circuits and further diagnose and fix problems. The video below demonstrates the use of the Quick Fix function.
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