LEDs making high pitched noise when dimmed

[Colt13]

Hi, my LEDs have started to make a high pitched buzzing noise when dimmed, they didn’t do this before. Anyone know if this might be a quick fix or something more serious? Who would I take them to for them to be worked on?

 

[Octane13]

If they are kessil clean the internal fan ASAP

 

[oreo54]

Hi, my LEDs have started to make a high pitched buzzing noise when dimmed, they didn’t do this before. Anyone know if this might be a quick fix or something more serious? Who would I take them to for them to be worked on?

Possibly peizo effect..
May be a component (choke or capacitor) that is vibrating the driver board..

As to a fix??? Hard to say..

 

[Porpoise Hork]

Possibly peizo effect..
May be a component (choke or capacitor) that is vibrating the driver board..

As to a fix??? Hard to say..

That was my guess or could also be coil wine. This is pretty common with computer video cards. If possible open the light up when and set it to the level where it's making the noise. Use a empty toilet paper tube or something similar and listen to the various components to see what it is that's making the noise. Once located post a picture of the component and we can go from there. If it's the coil wine, hot glue works wonders for that. If it's a choke or capacitor, then you either will have to live with it or replace the component.