If my lamp is not working and it is between 1 yr and 1.5 yrs old; how do I test if the led bulb is the problem or the entire lamp?

Hi Yara, There isn't a way that I'm aware of ti the the lamp without changing the cartridge to find out if it works. If you purchase and replace the cartridge and it works then it's then the fixture is good, if it doesn't then the entire light is bad.
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