Technician found Temp sensor is not reading temperature of box properly. Will need to install new customer supplied temp sensor and test operation. More quotes may follow. Ambient Edge does not warranty customer supplied parts. Returned to site. Checked in with management. Detached temp sensor from evaporator coil’s. Disconnected temp control from unit. Placed in new temp control. Wired in new temp sensor and connected it in front of the return air fans. Cycled system on. Allowed box to reach temperature. Temp sensor is reading correctly. System is maintaining temps below 37 degrees. Prep table is functioning properly at this time.