Derik P Mountain View , CA December 14, 2025 Appliance: Bosch Refrigerator B21CL80SNS/01 Bosch Refrigerator B21cl80sns/01: Can't set the temperature for freezer section in its full range can only set below 0*f. How to replace Control Board. Replaced the controller board. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes