TECH: David APPLIANCE BRAND: Subzero APPLIANCE TYPE: Refrigerator COMPLAINT: No Cool MODEL / SERIAL (if available): N/A, cx wasn't in front of the unit. Please obtain onsite 2019 had the compressor replaced, by another provider but cannot reach them. SC148 Found loose wire on switch. It is working ok now. No need to replace any parts. All.other parts of unit are working great.