Hi new to the site. Looks like a lot of great information. I have nor cold fridge model number N661RT the interior light does not come on when you open the door I checked it out and found the light bulb burnt and the socket broken I replaced the socket and light bulb in the light still does not turn on when you open the door I can't find a switch anyway I took the front of the fridge appart checked the mode switch and everything looks good not sure how the light operates when you open the door any information is appreciated thank you.