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I have a KitchenAid French door refrigerator. # KRFF707ESS01 serial # W10695459 the Freezer LED quit working a few months back. I found them from my local supplier for $30 each.  I decided to wait because I could find some at work if I were patient.  I work at a facility that reclaims Freon and scraps old appliances.  I just have to keep an eye out.  A few weeks ago, finally one arrived.  It was a whirlpool but had the same LED’s.  I removed about 5 and thought I was set.  I searched how to remove the freezer drawers and access the LED.  No issues.  Except,  it didn’t come on.  I found out today the freezer LED is a different part number and $100 apiece.  Also the 4 LED’s on the side the refrigerator compartment are out as swell as the one towards the front on the left.  Ice maker side.  It flickered a bit but went off.  My question is what’s the difference in the lights in freezer and Frig?   What is the circuit order, as I leaned the circuit is continuous?  Do I have a bad LED Board?   $400 bucks?  I’ll keep a flash light in the door shelf beside the mayo!   Thank you. Merry Christmas 🎁🎄

Hi @nvrgvup I don’t what the difference between the freezer and fridge LEDs is but as LEDs are diodes i.e. only conduct in one direction, did you connect the freezer LED and refrigerator side LEDs to the LED board around the correct way and also between the freezer LED and the refrigerator LEDs and the other side refrigerator side LEDs as well? If any of the wiring is reversed, they won’t turn on as it is a series connection. All the LEDs have to be connected in the same direction polarity wise i.e.leaving P3/3 to +ve side of freezer LED #1 then -ve to +ve through all the left and right side refrigerator LEDs to P3/4 on the board i.e. -ve side of last LED in string- refrigerator right side LED #2 goes to board P3/4 Here’s an image from the tech sheet for the refrigerator showing the LED connections to the board.

(click on image)