How To Use Compensation Mode (JCR Jumper Style)
Temperature compensation for the Refrigerator Compartment is available on some models using jumpers on the Main PCB. These jumpers will be labeled (JCR1-JCR4). They are Not Available for adjustment on all models so check the service manual for your specific model if you are needing to adjust the temperature a few degrees.
If your model has this adjustment available you will find a page like the below in the service manual. (This example is from model LSXS22423/00):
Simply cut the jumpers as needed to increase or decrease the temperature in the refrigerator section according to the tables below…