Willem V Bethel Park , PA April 28, 2018 Appliance: Jenn-Air Refrigerator JCB2389GRS Jenn-Air Refrigerator Jcb2389grs: Jenn Air fridge /freezer combo did not start. How to replace Run Capacitor. Installed a new run capacitor, as recommended in the trouble shoot list. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes