Daniel P Oceanside , CA May 05, 2017 Appliance: Model DACOR 48" SIDE BY SIDE Poor / no defrost Watch videos on "how to" on YouTube to become familiar with design. I am an auto mechanic. Test parts as described in most situations of this type. Dismantle and replace failed parts. Re assemble unit and run diagnostic as described in information packet provided with unit. All good. Some basic tools and mechanical skills and memory required to perform repairs of this type. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours