krazy Frigidaire Refrigerator

Brand new Frigidaire side by side in a brand new remodeled kitchen.. Customer said the box will turn itself off .  She gets up in the morning with a warm refrigerator but its working other times…Sometimes No lights no  compressor DEAD..   sometimes it work great.It  works in the evening but stops at night and during the day…When I get there it is working good . second trip to her house and it is working good. I check everything thing and it is all working good…She is getting Mad and wants a new refrigerator.  Asked for one more chance to put a recorder on the refrigerator my 3rd trip out..If  I can’t fix it this time she is taking it back…So I grabbed a recorder and set her service call first thing in the morning… when I arrived at her house she opened the door and  said you know where the refrigerators . So I open the refrigerator and it was dead …Alright now I can find out what is broke…pulled the refer out to get to the plug . The customer hear me pulling at the refer out,  She said I will turn on some ” kitchen lights” as soon as the lights can on so did the refrigerator… The refrigerator outlet was hooked up to the lights .. So every time I came to service it she turn the lights on for me and the refrigerator would work…At night when she went to sleep she turned the lights out and also turned off the refrigerator..  Things that make you go  Hmmm!!!!