In this troubleshooting situation, a restaurant manager is calling for service on a reach-in freezer, and the complaint is that the unit “isn’t freezing things hard.”
When you arrive, you confirm that the equipment, which is designed to have a box temperature of 0 to 5° F, is maintaining a temperature near 35°F. You also note that the compressor, condenser fan motor, and evaporator fan motor are all operating.