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50w LED floodlights that keep having failing LED drivers
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<blockquote data-quote="AdamJ" data-source="post: 482925" data-attributes="member: 31519"><p>I have a half dozen 50w LED floodlights. Build quality isn't amazing although purchased from big DIY chains. They are very typical units that look like this: </p><p></p><p><img src="https://talk.electricianforum.co.uk/uploads/imageproxy/83ced6983c70ac4da7645de45944caf4.jpeg.202ea024ede3ac42c351351473610a61.jpeg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>I've had the LED drivers inside them fail in just about all of the units but in one particular location I've replaced the driver 3 or 4 times. This has included replacing the LED itself as a precaution. I should mention that each time I've replaced drivers I've used a different brand.</p><p></p><p>The symptoms are always the same, a slow flashing/strobing of the light that occurs instantly when you turn it on and is never rectifiable until the driver is replaced. Sometimes once I've replaced a driver the light will work half a year before it fails again. At worst, the latest new driver I installed in the lamp lasted only a week or two.</p><p></p><p>I wondered if this was a heat issue but the casing never feels that hot. I also during the refurbishment added a large quantity of thermal paste behind the LED.</p><p> </p><p> The location in question is at the end of an outhouse building we have connected to an ok quality looking internal wall power cable that runs along the exterior wall of the building. I'm just wondering if this is bad luck that the same location has failed so many times or if there could be something else at play here with a bad quality power source.</p><p></p><p>Should I try earthing the lights? Add some kind of filter to the power source ? </p><p> </p><p> </p><p> My last failed driver was this model: </p><p> </p><p> <img src="https://talk.electricianforum.co.uk/uploads/imageproxy/516-1JAZ49L._SL1000_.jpg.bbdd1eeb1f3d2d64e9b325c508821d4d.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Any ideas would be greatly appreciated. </p></blockquote><p></p>
[QUOTE="AdamJ, post: 482925, member: 31519"] I have a half dozen 50w LED floodlights. Build quality isn't amazing although purchased from big DIY chains. They are very typical units that look like this: [IMG]https://talk.electricianforum.co.uk/uploads/imageproxy/83ced6983c70ac4da7645de45944caf4.jpeg.202ea024ede3ac42c351351473610a61.jpeg[/IMG] I've had the LED drivers inside them fail in just about all of the units but in one particular location I've replaced the driver 3 or 4 times. This has included replacing the LED itself as a precaution. I should mention that each time I've replaced drivers I've used a different brand. The symptoms are always the same, a slow flashing/strobing of the light that occurs instantly when you turn it on and is never rectifiable until the driver is replaced. Sometimes once I've replaced a driver the light will work half a year before it fails again. At worst, the latest new driver I installed in the lamp lasted only a week or two. I wondered if this was a heat issue but the casing never feels that hot. I also during the refurbishment added a large quantity of thermal paste behind the LED. The location in question is at the end of an outhouse building we have connected to an ok quality looking internal wall power cable that runs along the exterior wall of the building. I'm just wondering if this is bad luck that the same location has failed so many times or if there could be something else at play here with a bad quality power source. Should I try earthing the lights? Add some kind of filter to the power source ? My last failed driver was this model: [IMG]https://talk.electricianforum.co.uk/uploads/imageproxy/516-1JAZ49L._SL1000_.jpg.bbdd1eeb1f3d2d64e9b325c508821d4d.jpg[/IMG] Any ideas would be greatly appreciated. [/QUOTE]
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50w LED floodlights that keep having failing LED drivers
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