When your light decides not to work, it can usually be fixed very easily. Here is a guide to go through some basic troubleshooting steps that may hopefully help your light shine again!
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It is possible that these solutions may not fix your problem, if so, and then it would be best to have your flashlight repaired under warranty.
PROBLEM: Your flashlight is shining dimly
SOLUTION: Check you batteries. When you’re diagnosing a problem with anything, it’s always a good idea to start off with the simplest possible solution. If your light is shining dimly, the issue is probably weak batteries. Replace your batteries with a fresh set and you should be good to go.
PROBLEM: Your flashlight is flickering
SOLUTION: Dirt or grime on contacts. A common solution to flashlight flickering can be dirt or grime on the internal contacts of the light. Unscrew the head and tail cap off your flashlight and clean the contacts where the body touches the head or tail cap. To do this, use a damp paper towel.
PROBLEM: Your flashlight is not turning on
SOLUTION: Check your batteries, dirt / grime on contacts, or improperly assembled flashlight. Have you disassembled your flashlight and then found that it does not work upon reassembly? It is possible that you disassembled it improperly.
Disassemble your flashlight again. This time make sure all O-rings are properly aligned and any pocket clips or accessories are correctly installed. The head and tail cap of the flashlight should fit snugly. If the head or tail cap are not tightened down all the way, make sure that any O-rings or other possible obstructions are not keeping you from tightening them down.
Hopefully these simple solutions helped with your flashlight problems. Although they are not guaranteed to fix your light, these steps are where you should start your flashlight troubleshooting.