Don't these sensors usually use a magnet? I guess this could just be from the switch that turns the light on too? Archive: https://archive.today/XvtHO From the post: >>An annoying fridge that beeps incessantly when the door is open too long should be an easy enough thing to fix by disconnecting the speaker, but when as with [kennedn]’s model it’s plumbed in and the speaker is inaccessible, what’s to be done? The answer: create a mod chip for a fridge.