AS IS Malcom PCU-2-1 Paste Control UnitThis item is sold AS IS. No returns or exchanges are accepted. Condition For parts or not working Description This Paste Control Unit powers on. In addition, it rotates, changes RPM, mixes, heats up, and overheat fan works. However, the Viscosity readout does not work. In addition, the up down automated stir switch does not work. For this reason we are selling the unit AS IS. Unable to test further, may have unknown issues we are not aware of. Sold AS