Check the listing for details. Thermo King Smart Reefer Control Panel – ThermoGuard µP VI Display. Condition: Used. Listed at 300.00 USD. Genuine Thermo King Smart Reefer control panel, ThermoGuard µP VI (Microprocessor VI) system. This is the operator interface/display used to monitor and control temperature, setpoints, alarms, defrost, heating, cooling, and unit operation modes. Features LCD display with function keys for hours, gauges, pretrip, alarms, and setpoint adjustment. Commonly used on older Thermo King truck and trailer refrigeration units. Unit shows normal cosmetic wear from use; screen and buttons intact.Genuine Thermo King Smart Reefer control panel, ThermoGuard µP VI (Microprocessor VI) system. This is the operator interface/display used to monitor and control temperature, setpoints, alarms, defrost, heating, cooling, and unit operation modes. Features LCD display with function keys for hours, gauges, pretrip, alarms, and setpoint adjustment. Commonly used on older Thermo King truck and trailer refrigeration units. Unit shows normal cosmetic wear from use; screen and buttons intact.