Michael B Raymond , NH August 26, 2018 Appliance: Model HPS15BTHRWW Freezer working good but frig not cold enough Replaced defrost timer, things still didn't seem correct. Found under the fan cover there was a piece of Styrofoam that hadn't been removed from the original installation 2 years ago the remainder of the opening had frozen over. Working fine now 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes